diff --git a/docs/locale/en/LC_MESSAGES/using.po b/docs/locale/en/LC_MESSAGES/using.po
index 3abff58b3f..668f3c0644 100644
--- a/docs/locale/en/LC_MESSAGES/using.po
+++ b/docs/locale/en/LC_MESSAGES/using.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: docker-stacks latest\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-03-05 12:37+0000\n"
+"POT-Creation-Date: 2020-03-05 12:43+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -19,12 +19,12 @@ msgstr ""
 "Generated-By: Babel 2.8.0\n"
 
 # 7c56c3891bd94336b21fc82d5aeab6ae
-#: ../../using/common.md:1 ea4d0bb39ef640cea0c7d6096c5a2e04
+#: ../../using/common.md:1 405cbab39c1b4bb285914901186c840a
 msgid "Common Features"
 msgstr ""
 
 # bf4e4ace24d144538edc1d9a2605cfef
-#: ../../using/common.md:3 b363f95d6558459fbd80580d3a5f901a
+#: ../../using/common.md:3 51c565ba6a8b4e1aae3df983521ffaec
 msgid ""
 "A container launched from any Jupyter Docker Stacks image runs a Jupyter "
 "Notebook server by default. The container does so by executing a start-"
@@ -34,19 +34,19 @@ msgid ""
 msgstr ""
 
 # 298bc09d3aab4abcb413ad481d6242ff
-#: ../../using/common.md:5 326c921ab3fd41e5844f355f8abb6786
+#: ../../using/common.md:5 6c0fd37119a84ef3a370122c632420af
 msgid ""
 "This page describes the options supported by the startup script as well "
 "as how to bypass it to run alternative commands."
 msgstr ""
 
 # 056d2f8a9a4343668131dfb9de71838a
-#: ../../using/common.md:7 b1ab43d995a54d38a9d078fe6214812b
+#: ../../using/common.md:7 1f650f585f6841c8adf94f2e22d553ed
 msgid "Notebook Options"
 msgstr ""
 
 # d1c32336e1f545d496f7a411fb18cb4e
-#: ../../using/common.md:9 a07c2dd51df247a5ab047446902640fe
+#: ../../using/common.md:9 6051755e0f844ee1a1a674325ab03514
 msgid ""
 "You can pass Jupyter command line options to the start-notebook.sh script"
 " when launching the container. For example, to secure the Notebook server"
@@ -55,19 +55,19 @@ msgid ""
 msgstr ""
 
 # 4c08f057def247cbbfc8231e628cb792
-#: ../../using/common.md:15 f7baac19534d4b0db25336a89dc00c6d
+#: ../../using/common.md:15 ed1f194e3bc0492a8752f81355f6c49e
 msgid ""
 "For example, to set the base URL of the notebook server, you can run the "
 "following:"
 msgstr ""
 
 # 58ad38b4300449da805bc67e73be5fd0
-#: ../../using/common.md:21 6c0fb400da324ae99f602301f758c42c
+#: ../../using/common.md:21 238ee204a4f741f993a16b75f8de0468
 msgid "Docker Options"
 msgstr ""
 
 # 0118197966504e3ab1c03a0c49e68c97
-#: ../../using/common.md:23 6432d988dfd74ebea379d042ecf11eef
+#: ../../using/common.md:23 8f67f38dbd9d4b02b832640b5e5d69a3
 msgid ""
 "You may instruct the start-notebook.sh script to customize the container "
 "environment before launching the notebook server. You do so by passing "
@@ -75,7 +75,7 @@ msgid ""
 msgstr ""
 
 # 391efc925af248fa9bfa2220bdf0730b
-#: ../../using/common.md:26 d676836c4e794763825dee9ddd59b266
+#: ../../using/common.md:26 0a0157f3dd01403ca63dc4fe7f5172a9
 msgid ""
 "-e NB_USER=jovyan - Instructs the startup script to change the default "
 "container username from jovyan to the provided value. Causes the script "
@@ -86,7 +86,7 @@ msgid ""
 msgstr ""
 
 # 97929e34ea254dd289e235276b72068f
-#: ../../using/common.md:27 e1e6e8574d1a4242a4220348d40b671c
+#: ../../using/common.md:27 6ab1479971324ce084d791352667b8f5
 msgid ""
 "-e NB_UID=1000 - Instructs the startup script to switch the numeric user "
 "ID of $NB_USER to the given value. This feature is useful when mounting "
@@ -98,7 +98,7 @@ msgid ""
 msgstr ""
 
 # 71cac0c045d342008ca80ce23ef32431
-#: ../../using/common.md:28 4a4a702fdf144d5ca10a935e6231710b
+#: ../../using/common.md:28 10ee4201e1904596a8b8a24a2e220f20
 msgid ""
 "-e NB_GID=100 - Instructs the startup script to change the primary group "
 "of$NB_USER to $NB_GID (the new group is added with a name of $NB_GROUP if"
@@ -115,7 +115,7 @@ msgid ""
 msgstr ""
 
 # 5ca13bdafc214f8b997ca2752592f1be
-#: ../../using/common.md:29 42c61d7901d142bdb6be5d50ae8258a9
+#: ../../using/common.md:29 5cc284a0e78947fca56d3a6ea849b1d9
 msgid ""
 "-e NB_GROUP=<name> - The name used for $NB_GID, which defaults to "
 "$NB_USER.  This is only used if $NB_GID is specified and completely "
@@ -123,7 +123,7 @@ msgid ""
 msgstr ""
 
 # 4d57d0bd85ae417687747831670ec35f
-#: ../../using/common.md:30 60dd0751713340eeb56910db1e5001ec
+#: ../../using/common.md:30 4428557d703b41668d9adc4d6d2c44cd
 msgid ""
 "-e NB_UMASK=<umask> - Configures Jupyter to use a different umask value "
 "from default, i.e. 022. For example, if setting umask to 002, new files "
@@ -137,7 +137,7 @@ msgid ""
 msgstr ""
 
 # 580637e7f00d4a36b69ce3f6ec43370e
-#: ../../using/common.md:31 164aab6886584173aa97db2a82a82a8b
+#: ../../using/common.md:31 8058b8dca9f54fceb5c525e8eccf46d9
 msgid ""
 "-e CHOWN_HOME=yes - Instructs the startup script to change the $NB_USER "
 "home directory owner and group to the current value of $NB_UID and "
@@ -148,7 +148,7 @@ msgid ""
 msgstr ""
 
 # 42bbfaf32b43482ba99263a74b383ac3
-#: ../../using/common.md:32 7fcd9de148294725af043e88ff00ee06
+#: ../../using/common.md:32 7ca2dc55857d4265932150f2e671fc19
 msgid ""
 "-e CHOWN_EXTRA=\"<some dir>,<some other dir>\" - Instructs the startup "
 "script to change the owner and group of each comma-separated container "
@@ -158,7 +158,7 @@ msgid ""
 msgstr ""
 
 # 399a6318e3724410a4dcc93cc9d8736d
-#: ../../using/common.md:33 0d679dbb5cc94f32944e1f5ab40f5396
+#: ../../using/common.md:33 588ac057c831499da0e87a7002f9cbaf
 msgid ""
 "-e GRANT_SUDO=yes - Instructs the startup script to grant the NB_USER "
 "user passwordless sudo capability. You do not need this option to allow "
@@ -172,7 +172,7 @@ msgid ""
 msgstr ""
 
 # 3c6485fef5d44f72b4693c1a3d1ec35c
-#: ../../using/common.md:34 4a2f240d0c3c4feba4dd1cb2ef332ca7
+#: ../../using/common.md:34 38f884486dec42ce9fcf442e8ea333de
 msgid ""
 "-e GEN_CERT=yes - Instructs the startup script to generates a self-signed"
 " SSL certificate and configure Jupyter Notebook to use it to accept "
@@ -180,7 +180,7 @@ msgid ""
 msgstr ""
 
 # efe931ecaeac4348a6f0112a65371306
-#: ../../using/common.md:35 dbc779aac1974ecfb5bdad04d2a1ae60
+#: ../../using/common.md:35 f057174527634e8ab230a57b99e73558
 msgid ""
 "-e JUPYTER_ENABLE_LAB=yes - Instructs the startup script to run jupyter "
 "lab instead of the default jupyter notebook command. Useful in container "
@@ -189,7 +189,7 @@ msgid ""
 msgstr ""
 
 # fe40b3a059e54a53a7a5fde86441ae72
-#: ../../using/common.md:36 fad78d68a93e4cc99b637aeab28a1091
+#: ../../using/common.md:36 c909ceb602fa4fadbb857c79245cdccd
 msgid ""
 "-e RESTARTABLE=yes - Runs Jupyter in a loop so that quitting Jupyter does"
 " not cause the container to exit.  This may be useful when you need to "
@@ -197,7 +197,7 @@ msgid ""
 msgstr ""
 
 # bb82e70358e7452d86eb1b8e971fbf27
-#: ../../using/common.md:37 f48fcd2999964191b2ca9b927d03b1b2
+#: ../../using/common.md:37 9c8952e469f448678638a64b656cc0c7
 msgid ""
 "-v /some/host/folder/for/work:/home/jovyan/work - Mounts a host machine "
 "directory as folder in the container. Useful when you want to preserve "
@@ -208,7 +208,7 @@ msgid ""
 msgstr ""
 
 # 403f8e6101534bc0951bf5bb0b03c5a0
-#: ../../using/common.md:38 f41c7936727d4a7f902c7002caee9c79
+#: ../../using/common.md:38 298cb0f783f4456e8bfc29c0817fde62
 msgid ""
 "--user 5000 --group-add users - Launches the container with a specific "
 "user ID and adds that user to the users group so that it can modify files"
@@ -217,12 +217,12 @@ msgid ""
 msgstr ""
 
 # 565fbbe944ed4e68a5e202eaf07d1402
-#: ../../using/common.md:40 11ab249a40e747d1a4c6cfccbe7fd536
+#: ../../using/common.md:40 bedc8039e5d74b528f2675d36f42098e
 msgid "Startup Hooks"
 msgstr ""
 
 # 70f6f3501e1b43d3a95e200c39eef8d2
-#: ../../using/common.md:42 afd4f9841e4b47acbce9df659e03dc93
+#: ../../using/common.md:42 cbfdb77375364831ac8cceeb1ad2ad72
 msgid ""
 "You can further customize the container environment by adding shell "
 "scripts (*.sh) to be sourced or executables (chmod +x) to be run to the "
@@ -230,14 +230,14 @@ msgid ""
 msgstr ""
 
 # bdc8d9262aea4329b09bac1deb92d6da
-#: ../../using/common.md:45 ec415db1e8a4437784cc22335eee62fc
+#: ../../using/common.md:45 c27f0f921778451b87aebac2711dbc58
 msgid ""
 "/usr/local/bin/start-notebook.d/ - handled before any of the standard "
 "options noted above are applied"
 msgstr ""
 
 # 786fba9678e24e3ba5ded6536dc0492a
-#: ../../using/common.md:47 2f5994c451e04604884004160285b4d2
+#: ../../using/common.md:47 7ea1ad8b0cd04e9899457b80912cd028
 msgid ""
 "/usr/local/bin/before-notebook.d/ - handled after all of the standard "
 "options noted above are applied and just before the notebook server "
@@ -245,19 +245,19 @@ msgid ""
 msgstr ""
 
 # 5903b6a921cb42a9a8b6db0e9592769c
-#: ../../using/common.md:50 9ecd904ca3df45aa98391c2229802415
+#: ../../using/common.md:50 076d3bd43c764b44acc7ffa8dae41bd7
 msgid ""
 "See the run-hooks function in the jupyter/base-notebook start.sh script "
 "for execution details."
 msgstr ""
 
 # ffb01f3597d1453bb0299e9a4a888757
-#: ../../using/common.md:53 1d5f3b752c7844a0b73168267b920214
+#: ../../using/common.md:53 dc0500b65927466eacbf7079964ee1f7
 msgid "SSL Certificates"
 msgstr ""
 
 # 7b1a34debd094e02930aa7197377b691
-#: ../../using/common.md:55 d393a0c0b7024bc3b43e6856e19f8692
+#: ../../using/common.md:55 8b334da5f03b4d02af9dece60fccdf42
 msgid ""
 "You may mount SSL key and certificate files into a container and "
 "configure Jupyter Notebook to use them to accept HTTPS connections. For "
@@ -266,14 +266,14 @@ msgid ""
 msgstr ""
 
 # e496d62ce1b7489eabf40a55471247b4
-#: ../../using/common.md:65 c0a41ade7d1241189aefec1745826084
+#: ../../using/common.md:65 d101f17e7e374d8b85348bb9c1dd6368
 msgid ""
 "Alternatively, you may mount a single PEM file containing both the key "
 "and certificate. For example:"
 msgstr ""
 
 # 6ada67b7d1a34f59ad235d7e49e6a298
-#: ../../using/common.md:74 a4e3a61385734920becdf3b6021a8969
+#: ../../using/common.md:74 36a219f3c1b742e3884c137d31793e3e
 msgid ""
 "In either case, Jupyter Notebook expects the key and certificate to be a "
 "base64 encoded text file. The certificate file or PEM may contain one or "
@@ -281,43 +281,43 @@ msgid ""
 msgstr ""
 
 # c908965cf0084fc2b276b50b47b87d18
-#: ../../using/common.md:76 10b8324abece4f7c9314ebc2b5940557
+#: ../../using/common.md:76 bd6067664de7454a9221a2386639fca4
 msgid "For additional information about using SSL, see the following:"
 msgstr ""
 
 # 11ef89b3d17b4bcf827e73a7ebb13756
-#: ../../using/common.md:78 e7c7423c5f594187b175f12919e09be8
+#: ../../using/common.md:78 8b054905c3b940e1882507879a357764
 msgid ""
 "The docker-stacks/examples for information about how to use Let's Encrypt"
 " certificates when you run these stacks on a publicly visible domain."
 msgstr ""
 
 # 4a42ccc5b624431bbacdc8c1d5624fb4
-#: ../../using/common.md:79 38995704a9e64c0e9abc8b60307f3e9d
+#: ../../using/common.md:79 184d9bbcf1424fb7bd6c222baa54bc48
 msgid ""
 "The jupyter_notebook_config.py file for how this Docker image generates a"
 " self-signed certificate."
 msgstr ""
 
 # 95d9c3081fa34def82e309c53ef2147b
-#: ../../using/common.md:80 0c51328b4eb243af93371efd985f066f
+#: ../../using/common.md:80 992a97de9d9640b68d80a6283b315980
 msgid ""
 "The Jupyter Notebook documentation for best practices about securing a "
 "public notebook server in general."
 msgstr ""
 
 # 9950b2e426414111ad46c6ba1e9d29bb
-#: ../../using/common.md:82 3816c51beb6f41d1a095c50f4ee93838
+#: ../../using/common.md:82 040617a85659445e991695f0b4f2db50
 msgid "Alternative Commands"
 msgstr ""
 
 # 2e90717352804ebd8086eef378fa411d
-#: ../../using/common.md:84 bcd0009e038540ce88affe852d8b74df
+#: ../../using/common.md:84 fb4eaef37ddb4127af91b7f2dc48c19b
 msgid "start.sh"
 msgstr ""
 
 # 11637ea03062425e94964f2c70ed8676
-#: ../../using/common.md:86 cb92a620e7744313ae243fdcb0936f30
+#: ../../using/common.md:86 35a78855fd144d629d12da6fc6496c0d
 msgid ""
 "The start-notebook.sh script actually inherits most of its option "
 "handling capability from a more generic start.sh script. The start.sh "
@@ -327,12 +327,12 @@ msgid ""
 msgstr ""
 
 # ad0be3e8095e4394afb367e9e56e1ca5
-#: ../../using/common.md:92 694c797940034af3b5b20b402d64f6c1
+#: ../../using/common.md:92 9c6a6e326b744a1d88005899e8805438
 msgid "Or, to run JupyterLab instead of the classic notebook, run the following:"
 msgstr ""
 
 # 3d92501fb3b940b385ee986095610391
-#: ../../using/common.md:98 8820faad7c044077ac1fd1af5240391c
+#: ../../using/common.md:98 f8c3dcdb558b41b39f1e6142ffed0dec
 msgid ""
 "This script is particularly useful when you derive a new Dockerfile from "
 "this image and install additional Jupyter applications with subcommands "
@@ -340,12 +340,12 @@ msgid ""
 msgstr ""
 
 # ff1b1af310d54eedb852dc5eff7a4f7e
-#: ../../using/common.md:100 23c31294ff1c4f2fb4dceb200bee2f2e
+#: ../../using/common.md:100 dacd00b9e5834152bb73a362b4150b7f
 msgid "Others"
 msgstr ""
 
 # 127ffe0a552b4dafaa77d173883350d7
-#: ../../using/common.md:102 5f448274de1b4956a7cd080e9e4944ea
+#: ../../using/common.md:102 2e530ff6f0544f4496d1c3a7f8c18b2b
 msgid ""
 "You can bypass the provided scripts and specify an arbitrary start "
 "command. If you do, keep in mind that features supported by the start.sh "
@@ -353,12 +353,12 @@ msgid ""
 msgstr ""
 
 # 1d8bc4b15c3044b3932e0df72dd694a7
-#: ../../using/common.md:104 7d9bf2cf03884ff5ac343ad41568768e
+#: ../../using/common.md:104 25039a43fd7e4153bdb7c14e0954b723
 msgid "Conda Environments"
 msgstr ""
 
 # 97935ba423ed4a8787f9895f00015e4b
-#: ../../using/common.md:106 7ede0b681be64ff79baafdaba95ba6e5
+#: ../../using/common.md:106 a6acbd0032a445a0a69f1deb5cf2c754
 msgid ""
 "The default Python 3.x Conda environment resides in /opt/conda. The "
 "/opt/conda/bin directory is part of the default jovyan user's $PATH. That"
@@ -367,7 +367,7 @@ msgid ""
 msgstr ""
 
 # a8fe459cc9ff43b3b2f31efd4587f145
-#: ../../using/common.md:108 7af4ba4b6a44439dbf2e87db2d32e408
+#: ../../using/common.md:108 e0c7095e6f9448468c627d845afcbc97
 msgid ""
 "The jovyan user has full read/write access to the /opt/conda directory. "
 "You can use either conda or pip to install new packages without any "
@@ -375,12 +375,12 @@ msgid ""
 msgstr ""
 
 # 36939901b3744e3fb67d2bae58ae8e25
-#: ../../using/recipes.md:1 9955cf2437844172a901d00190ef0a6f
+#: ../../using/recipes.md:1 560ad1fd42f04031a8b915a9dd75625b
 msgid "Contributed Recipes"
 msgstr ""
 
 # 8bc65b7f51f4442c95ea0dec5b4b2704
-#: ../../using/recipes.md:3 a0ed2261d80b48b6a7122f4c90fea0da
+#: ../../using/recipes.md:3 686c865dc7f24e6c8ba5e0166e6412cd
 msgid ""
 "Users sometimes share interesting ways of using the Jupyter Docker "
 "Stacks. We encourage users to contribute these recipes to the "
@@ -390,12 +390,12 @@ msgid ""
 msgstr ""
 
 # 7447af86f4f3438ba413a7e9cc9764e5
-#: ../../using/recipes.md:8 5cc99a57d38b4589a83c274e69d4b357
+#: ../../using/recipes.md:8 93aef9aacc9a47d7a5a8f85f11b15708
 msgid "Using sudo within a container"
 msgstr ""
 
 # ed8292c31667424184fe7515a30f79cd
-#: ../../using/recipes.md:10 997cdd67178f4e588097b3963ef99f8e
+#: ../../using/recipes.md:10 2e186362a7c4417d9a902ac18e72213f
 msgid ""
 "Password authentication is disabled for the NB_USER (e.g., jovyan). This "
 "choice was made to avoid distributing images with a weak default password"
@@ -404,7 +404,7 @@ msgid ""
 msgstr ""
 
 # d22ae301bebb4857b866359ddbfb7e53
-#: ../../using/recipes.md:14 e2ed8f63790843cd863c77a4688f19b7
+#: ../../using/recipes.md:14 56edb234bebf482e954e10278da655d0
 msgid ""
 "You can grant the within-container NB_USER passwordless sudo access by "
 "adding -e GRANT_SUDO=yes and --user root to your Docker command line or "
@@ -412,34 +412,34 @@ msgid ""
 msgstr ""
 
 # f75300183d66418d958651b713e3c81e
-#: ../../using/recipes.md:18 97939a8dc02042fcaa0a273a996a068e
+#: ../../using/recipes.md:18 ca16765c846a417c9c27b34ce6ed1257
 msgid "For example:"
 msgstr ""
 
-# 909f17eb57bc4e4e8df8216423d9c008
-#: ../../using/recipes.md:24 a09ca0427ad14851adbde359787be806
+#: ../../using/recipes.md:24 5e062eab971c45c89572fa2eeed22d0b
 msgid ""
 "You should only enable sudo if you trust the user and/or if the container"
-" is running on an isolated host."
+" is running on an isolated host. See Docker security documentation for "
+"more information about running containers as root."
 msgstr ""
 
 # 5b38bd48b58242788cc8b581b575241a
-#: ../../using/recipes.md:27 e982d78074584e75acfe15cc62fc12e4
+#: ../../using/recipes.md:27 982b98726b4e4193a1bb0491c5b52267
 msgid "Using pip install or conda install in a Child Docker image"
 msgstr ""
 
 # cfb1a65ed1a4453e8b3355f1c0c23b1c
-#: ../../using/recipes.md:29 5de22b7e74014845922a08af57d88444
+#: ../../using/recipes.md:29 5200a8f126cc410eb0ccb0bc7a266f0a
 msgid "Create a new Dockerfile like the one shown below."
 msgstr ""
 
 # 3ab615dc6fb6425d954cae4ce14f08b9
-#: ../../using/recipes.md:38 1ef44b290d994732b3ee77946054901c
+#: ../../using/recipes.md:38 72007c5c0fc0484dbd3479d24fa9861c
 msgid "Then build a new image."
 msgstr ""
 
 # c35347a79a2e4a7faffe139767808965
-#: ../../using/recipes.md:44 833b6c0eed174433b14f045b19940ad7
+#: ../../using/recipes.md:44 3c159d405d624579b67181095d8455af
 msgid ""
 "To use a requirements.txt file, first create your requirements.txt file "
 "with the listing of packages desired. Next, create a new Dockerfile like "
@@ -447,22 +447,22 @@ msgid ""
 msgstr ""
 
 # f2f035925d764425b9999b19d36c1d30
-#: ../../using/recipes.md:57 e76f56defa544aa58848e06c41c21d0d
+#: ../../using/recipes.md:57 85ebcddeefa7457c829a5cd9fd217f34
 msgid "For conda, the Dockerfile is similar:"
 msgstr ""
 
 # fd2320ac3001480992ab2dd80285467b
-#: ../../using/recipes.md:69 b0e9f84532224baabecf6bc232ef994a
+#: ../../using/recipes.md:69 9a7bc543e61e4e4db5525abda1e3bc81
 msgid "Ref: docker-stacks/commit/79169618d571506304934a7b29039085e77db78c"
 msgstr ""
 
 # 179407610520450ea0e4b566eac8ec96
-#: ../../using/recipes.md:72 4623f77e5a0047c2b4fd672b82ae7ce4
+#: ../../using/recipes.md:72 56088c199bf44678a47b90bc4a3d4106
 msgid "Add a Python 2.x environment"
 msgstr ""
 
 # 19bf98219e344b80b68fbf7f3aa68ec6
-#: ../../using/recipes.md:74 13d16475800748b4b67615bde0763e7c
+#: ../../using/recipes.md:74 bbfad3ec843a444bbf51e1bdaa193f97
 msgid ""
 "Python 2.x was removed from all images on August 10th, 2017, starting in "
 "tag cc9feab481f7. You can add a Python 2.x environment by defining your "
@@ -470,15 +470,15 @@ msgid ""
 msgstr ""
 
 # be4f7d9b615d490c87cc6393ed0fabf2
-#: ../../using/recipes.md:98 b3f986600baa4d27b71582dea9dbcee4
+#: ../../using/recipes.md:98 b88183b827b94eeea0c6e526db4582fd
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/440"
 msgstr ""
 
-#: ../../using/recipes.md:101 5a8a18ec9efd42b49e97dad849e03277
+#: ../../using/recipes.md:101 50b684e29f1b423e9435fb66cde9a50c
 msgid "Add a Python 3.x environment"
 msgstr ""
 
-#: ../../using/recipes.md:103 5e60660b05b847c184ac486cc7814224
+#: ../../using/recipes.md:103 2b74d0e2555644788b4d6486750088f1
 msgid ""
 "The default version of Python that ships with conda/ubuntu may not be the"
 " version you want. To add a conda environment with a different version "
@@ -487,31 +487,31 @@ msgid ""
 msgstr ""
 
 # 747e87a9067b4870bad5aa335ab39f7d
-#: ../../using/recipes.md:142 da354b81eb3a42b79fee80d8ea795a44
+#: ../../using/recipes.md:142 f788104a9f264cb89a4b85d3308865f4
 msgid "Run JupyterLab"
 msgstr ""
 
 # e062399bbaee4f1eb3ab48dcc60289b8
-#: ../../using/recipes.md:144 591705aef6f449cbaaa02b08710085fe
+#: ../../using/recipes.md:144 c95fb7f054694abb913675b4cc33771c
 msgid ""
 "JupyterLab is preinstalled as a notebook extension starting in tag "
 "c33a7dc0eece."
 msgstr ""
 
 # 7c0f192d197143698dd371fff8fa3ceb
-#: ../../using/recipes.md:147 f8e21813cfa247ef9ff0b0c8a45aa070
+#: ../../using/recipes.md:147 20e33b7bfbab4228ab01a63539390490
 msgid ""
 "Run jupyterlab using a command such as docker run -it --rm -p 8888:8888 "
 "jupyter/datascience-notebook start.sh jupyter lab"
 msgstr ""
 
 # e7842069e6ce432b9f1a12271e0ddc24
-#: ../../using/recipes.md:150 516decf6a4a7411da1f218dd628ee55a
+#: ../../using/recipes.md:150 6ed49cb5e3ff46ed8171455084c00f65
 msgid "Let's Encrypt a Notebook server"
 msgstr ""
 
 # 4c00785b93734066b349b42b23c312af
-#: ../../using/recipes.md:152 3d5033048f7a432c92efc1be26802bbb
+#: ../../using/recipes.md:152 e833f1b9cd7e410c80e8764d0b9910ed
 msgid ""
 "See the README for the simple automation here https://github.com/jupyter"
 "/docker-stacks/tree/master/examples/make-deploy which includes steps for "
@@ -519,53 +519,53 @@ msgid ""
 msgstr ""
 
 # c386f5913a78475487e9f12c76af9032
-#: ../../using/recipes.md:156 0f83239c73074878845b1677f9563974
+#: ../../using/recipes.md:156 0ef99694d1eb42a3b791a8d018489745
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/78"
 msgstr ""
 
 # dd297c8f73a44707bf02064434a50a47
-#: ../../using/recipes.md:159 3f9e4c48c33145f9a33d2ff752ec04e8
+#: ../../using/recipes.md:159 bcdd9c33c4d34800a8062d09549f8241
 msgid "Slideshows with Jupyter and RISE"
 msgstr ""
 
 # a1834343ae3045ea962e0efc80f69443
-#: ../../using/recipes.md:161 636a8149d1174314a1d5459752d0c7c1
+#: ../../using/recipes.md:161 3220c252addd40b085727085f0fd553d
 msgid ""
 "RISE allows via extension to create live slideshows of your notebooks, "
 "with no conversion, adding javascript Reveal.js:"
 msgstr ""
 
 # 6e0c67b18d3546a9ab024c5663aa8f90
-#: ../../using/recipes.md:169 508b120ccf1648b8a7c2a34325064209
+#: ../../using/recipes.md:169 2c979353c3b24686809cc080d5e4bb6b
 msgid "Credit: Paolo D. based on docker-stacks/issues/43"
 msgstr ""
 
 # 6bf66d68f2e5439b8403c0dd8ded40c5
-#: ../../using/recipes.md:172 19b234ba56ea43eda7100925cb5f8800
+#: ../../using/recipes.md:172 ad4411de2f4b4d95ba1515d903d41092
 msgid "xgboost"
 msgstr ""
 
 # ce204678c3af4aa9a0fb55bb6de7554b
-#: ../../using/recipes.md:174 410e5c319f7d43c6a99722be304b1cda
+#: ../../using/recipes.md:174 29117b28356744d1812d016240ba02da
 msgid ""
 "You need to install conda's gcc for Python xgboost to work properly. "
 "Otherwise, you'll get an exception about libgomp.so.1 missing GOMP_4.0."
 msgstr ""
 
 # a9bc4b88bd3d4bc1a7832f31677c298a
-#: ../../using/recipes.md:185 1b4424bfe3c1470688472ad4ca87579e
+#: ../../using/recipes.md:185 b0033836ba694b1db0ec20aa42f1f686
 msgid "Running behind a nginx proxy"
 msgstr ""
 
 # ca7763a5a35a47bd9fb29ae9d00feab3
-#: ../../using/recipes.md:187 4f3c43fc845b47c68b43aa1512334f26
+#: ../../using/recipes.md:187 efd80aa12d1848a0aab3f02dd70fe10b
 msgid ""
 "Sometimes it is useful to run the Jupyter instance behind a nginx proxy, "
 "for instance:"
 msgstr ""
 
 # dd58dbc3b08744a0b9415448d3bdbba6
-#: ../../using/recipes.md:189 0e55ac08441e413ebb4eedeffadc0f1f
+#: ../../using/recipes.md:189 63a01eb09e944006bc642f7ffea78f0c
 msgid ""
 "you would prefer to access the notebook at a server URL with a path "
 "(https://example.com/jupyter) rather than a port "
@@ -573,7 +573,7 @@ msgid ""
 msgstr ""
 
 # a5129fb6e2b042f5b8161ed5318123f9
-#: ../../using/recipes.md:191 05c7df7c3957414ea03b3da3e0b14837
+#: ../../using/recipes.md:191 c9ac8e2ab8d04a1eb73abc540cd8b6d6
 msgid ""
 "you may have many different services in addition to Jupyter running on "
 "the same server, and want to nginx to help improve server performance in "
@@ -581,7 +581,7 @@ msgid ""
 msgstr ""
 
 # cffd649e66ae4efb8122522e465ce3e3
-#: ../../using/recipes.md:194 0c4d99898b994a77986c719d8c8f53c0
+#: ../../using/recipes.md:194 b5e594f1840b4e16b49fb98cb9b4d2fd
 msgid ""
 "Here is a quick example NGINX configuration to get started. You'll need a"
 " server, a .crt and .key file for your server, and docker & docker-"
@@ -591,12 +591,12 @@ msgid ""
 msgstr ""
 
 # 7ba37cfc11224013a862d6519168acd0
-#: ../../using/recipes.md:199 e0bd1d3a29cf45bca86c5507480ceb77
+#: ../../using/recipes.md:199 fd81600d49854fb9b0d9f4879b2eb560
 msgid "Host volume mounts and notebook errors"
 msgstr ""
 
 # 0fc6706374ee4a5d98517ec02ee24a03
-#: ../../using/recipes.md:201 327ebaf268f440208729d9de3ef6efe4
+#: ../../using/recipes.md:201 18989a0019a447c488a11d1bfbf87bd7
 msgid ""
 "If you are mounting a host directory as /home/jovyan/work in your "
 "container and you receive permission errors or connection errors when you"
@@ -607,17 +607,17 @@ msgid ""
 msgstr ""
 
 # a6c910ab798b43ee91c0af160a3aadb6
-#: ../../using/recipes.md:207 16a0480e54d549ac95544a234f103168
+#: ../../using/recipes.md:207 d0fc8f04009a49a79f7b7b0c6b23ea1d
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/199"
 msgstr ""
 
 # 908924a0b4fa44d79fbca1413a0fb296
-#: ../../using/recipes.md:210 3ffee73b977045879998f2093e0c78a0
+#: ../../using/recipes.md:210 f1bc02cd16c14ba0b39b6f396a7f1198
 msgid "Manpage installation"
 msgstr ""
 
 # 7fc6566074ee4ba3a4e579437d7f151d
-#: ../../using/recipes.md:212 588462aa8d0d4abb9a091e262880ab4b
+#: ../../using/recipes.md:212 4e0026c22d724dfda853c0924460302a
 msgid ""
 "Most containers, including our Ubuntu base image, ship without manpages "
 "installed to save space. You can use the following dockerfile to inherit "
@@ -625,7 +625,7 @@ msgid ""
 msgstr ""
 
 # fb4a0f5bc3534bd9bb8909ce6512f4dd
-#: ../../using/recipes.md:238 21fbf4f8cca44505a44832652c316442
+#: ../../using/recipes.md:238 4ad5d84c1e7b41db88d7dc9bff81efe7
 msgid ""
 "Adding the documentation on top of an existing singleuser image wastes a "
 "lot of space and requires reinstalling every system package, which can "
@@ -635,125 +635,125 @@ msgid ""
 msgstr ""
 
 # 84b7fb0b5fd748ecba457f867a0e30bf
-#: ../../using/recipes.md:263 bd4a7b0febc14303bfbdb0960718e92e
+#: ../../using/recipes.md:263 c21b2ec8757a4064bbbb13825dfd2167
 msgid "Be sure to check the current base image in base-notebook before building."
 msgstr ""
 
 # 5764b06de0d941a585e5107f313235f4
-#: ../../using/recipes.md:265 f58d2a48ff75430184dfb6f0c6bd105a
+#: ../../using/recipes.md:265 f4a3e715546346cb823daeb5d06e320f
 msgid "JupyterHub"
 msgstr ""
 
 # af0ca920391b419b805ae3809388fcf2
-#: ../../using/recipes.md:267 ed6841383aa148d8af0ee5555da51b01
+#: ../../using/recipes.md:267 6a348bb44b5f46ada01f35ecf873a4cf
 msgid "We also have contributed recipes for using JupyterHub."
 msgstr ""
 
 # fbff97a16a2a4a53a69dd2d1c7dfbe91
-#: ../../using/recipes.md:269 d06d48fb330c4f4797a32c65e8d8c58a
+#: ../../using/recipes.md:269 5535274e07004a66aa2be71375f9dce8
 msgid "Use JupyterHub's dockerspawner"
 msgstr ""
 
 # 81e1dbb4c1c34f4c9e88630adff3d1e9
-#: ../../using/recipes.md:271 2c4f75897990447685f715c80d893d54
+#: ../../using/recipes.md:271 1d625323d5d7472a8227a77cc611e379
 msgid ""
 "In most cases for use with DockerSpawner, given any image that already "
 "has a notebook stack set up, you would only need to add:"
 msgstr ""
 
 # 837b7a2dac01402e8cd2cc398bd5d785
-#: ../../using/recipes.md:274 526fb2c48055435d90928645560f4a13
+#: ../../using/recipes.md:274 56f3fed3597248878b12d8eee380bcbf
 msgid "install the jupyterhub-singleuser script (for the right Python)"
 msgstr ""
 
 # d9816cb5ae2041e2a5fde9cdfb91262f
-#: ../../using/recipes.md:275 81f765c029394c4aab4b0424fb8583ef
+#: ../../using/recipes.md:275 17519b120d544dd68a43506dbaf342b0
 msgid "change the command to launch the single-user server"
 msgstr ""
 
 # 8b1bc94531e7490fbaa012f5c4a257bd
-#: ../../using/recipes.md:277 8ca783d599f04009a9b3dbe25721ba9d
+#: ../../using/recipes.md:277 50c0491999d24c379ad32677d638f164
 msgid ""
 "Swapping out the FROM line in the jupyterhub/singleuser Dockerfile should"
 " be enough for most cases."
 msgstr ""
 
 # ce864521fffa4c89b7584d24296515d5
-#: ../../using/recipes.md:280 d0add0114db1464b89ff4f55425c48b2
+#: ../../using/recipes.md:280 24420e76a27341e49303f449b976fb73
 msgid ""
 "Credit: Justin Tyberg, quanghoc, and Min RK based on docker-"
 "stacks/issues/124 and docker-stacks/pull/185"
 msgstr ""
 
 # 6a5d92e7b071449686d148be90544e64
-#: ../../using/recipes.md:285 a674bd3d982b433a8ea8c4059e31a735
+#: ../../using/recipes.md:285 1d21274159a54325a34061ba4b9c7b55
 msgid "Containers with a specific version of JupyterHub"
 msgstr ""
 
 # 091b62f4a91c4d87b92554795a00744c
-#: ../../using/recipes.md:287 326d6cac1afe4b63a9df04074a630da7
+#: ../../using/recipes.md:287 32e93de88a154940af1071a8d32f5a06
 msgid ""
 "To use a specific version of JupyterHub, the version of jupyterhub in "
 "your image should match the version in the Hub itself."
 msgstr ""
 
 # 67db6ce9d62f499a9d9aaf675a86cddc
-#: ../../using/recipes.md:295 bfcd35e3c73a44ddabcef3f274b5f51b
+#: ../../using/recipes.md:295 fdfb481590d84e0fa881e5ee4cea0670
 msgid "Credit: MinRK"
 msgstr ""
 
 # d4613cff20a140cbbbacc84ada8fcd87
-#: ../../using/recipes.md:297 82f64b7615984dbc99bbeb2f52ea0424
+#: ../../using/recipes.md:297 41ec711134d9411aa280c991baff599e
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/177"
 msgstr ""
 
 # 19439bd85c2946bb89f385651f8283dc
-#: ../../using/recipes.md:300 ef7996e559d04170be33a17b208eea25
+#: ../../using/recipes.md:300 a9413872d14742f2a038708e26d9651c
 msgid "Spark"
 msgstr ""
 
 # 975c96d6a0b843dfabd889c753671c93
-#: ../../using/recipes.md:302 bd08cedb21bd4f79bd1a87207e2f5dd8
+#: ../../using/recipes.md:302 250f55b75ce6460cb6021b0d16079c7b
 msgid "A few suggestions have been made regarding using Docker Stacks with spark."
 msgstr ""
 
 # 9c295c93db724e5fb11a8f870f805f41
-#: ../../using/recipes.md:304 5ea077c556984c4782360851870dbbc2
+#: ../../using/recipes.md:304 2166c76c93154fc6a304f50af0922d59
 msgid "Using PySpark with AWS S3"
 msgstr ""
 
 # dc4059d42eaa495f8ebca84ebc91ac09
-#: ../../using/recipes.md:306 34f50bcc75ba405e8e3191e185d9df6d
+#: ../../using/recipes.md:306 6ea858a271ae4b80811b7b85b0d61b5d
 msgid "Using Spark session for hadoop 2.7.3"
 msgstr ""
 
 # d2c12e3525bf4d9ca518fef02c4a79d3
-#: ../../using/recipes.md:326 0a13df725f0f4cef925f72d67a416764
+#: ../../using/recipes.md:326 f51f6204698f403a8cff0a55e5a09267
 msgid "Using Spark context for hadoop 2.6.0"
 msgstr ""
 
 # 59f08373c7354fa4bb5b7c10441b5d69
-#: ../../using/recipes.md:348 b5c3292faa26438cb7c9de571de2d744
+#: ../../using/recipes.md:348 90ffb13592b940c4a2da5e9a4cf7db05
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/127"
 msgstr ""
 
 # c32dccc031664268983f72ed7927beff
-#: ../../using/recipes.md:351 b09598a785c4472e9cb3fa7d80c3c7e1
+#: ../../using/recipes.md:351 92e8f06a7d2c42979737e3fdcdf40181
 msgid "Using Local Spark JARs"
 msgstr ""
 
 # 19614ffa973f49bab235cb5ac9cdf259
-#: ../../using/recipes.md:367 d1187d37fc1e478980dca33c5a7ad01d
+#: ../../using/recipes.md:367 ab2213b5e8a14167a694485c27428c6e
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/154"
 msgstr ""
 
 # fc70801958a34e5aa578388147a8a1fb
-#: ../../using/recipes.md:370 2bb8e83a698f4aab8c851723a5167686
+#: ../../using/recipes.md:370 cf7c606c156e4ce0ac9c3ef642f58f29
 msgid "Using spark-packages.org"
 msgstr ""
 
 # 031b9633ca0849e9a9035f4fa5ec2d29
-#: ../../using/recipes.md:372 1ada1792df224ce2ba93a33df589dfea
+#: ../../using/recipes.md:372 0ae1039ffa2b4d76ad5c1175ddf5be04
 msgid ""
 "If you'd like to use packages from spark-packages.org, see "
 "https://gist.github.com/parente/c95fdaba5a9a066efaab for an example of "
@@ -762,34 +762,34 @@ msgid ""
 msgstr ""
 
 # 08c4d39ccfa84551af78867ab37d3f18
-#: ../../using/recipes.md:377 d3f94345784b4886b6c9e732c3e52d84
+#: ../../using/recipes.md:377 ada395f34319414e9d071d90c4518d24
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/43"
 msgstr ""
 
 # 285d9bf0eefb480386dfdcd55fd76ef5
-#: ../../using/recipes.md:380 6662923d1e3c43039d3a5a50ff24413f
+#: ../../using/recipes.md:380 f0508e33376242f9bd79fa8178018882
 msgid "Use jupyter/all-spark-notebooks with an existing Spark/YARN cluster"
 msgstr ""
 
 # 1b1c743d85d542989f6a8f2c97a588d3
-#: ../../using/recipes.md:444 03b2f85371444b1894e0a5be831e4114
+#: ../../using/recipes.md:444 05e04f86fc81426c9828abcb9846a8bc
 msgid "Credit: britishbadger from docker-stacks/issues/369"
 msgstr ""
 
 # 06d2e360eccb489abeeebada6c0b41eb
-#: ../../using/recipes.md:447 d8cc434841c74a54bcc3dd48649641dd
+#: ../../using/recipes.md:447 1db0190d6a4a43798ccf7239689cdce4
 msgid ""
 "Run Jupyter Notebook/Lab inside an already secured environment (i.e., "
 "with no token)"
 msgstr ""
 
 # 42dd63565c4a4f67825f675972554d34
-#: ../../using/recipes.md:449 6d60dd25686645f68a1f64534fd1df90
+#: ../../using/recipes.md:449 a0084f04ae134060b13a839da607fe36
 msgid "(Adapted from issue 728)"
 msgstr ""
 
 # 8af2ceb1414f46e1802681695b5917f8
-#: ../../using/recipes.md:451 ddb683c0029546d59d16e41392210009
+#: ../../using/recipes.md:451 e86defae9c3246b1aa29fbc998771bd2
 msgid ""
 "The default security is very good. There are use cases, encouraged by "
 "containers, where the jupyter container and the system it runs within, "
@@ -799,68 +799,68 @@ msgid ""
 msgstr ""
 
 # 7476a6d5eae74ecaae966e56390c096e
-#: ../../using/recipes.md:456 0eeb4b7df3cd4195bba124bcc24945d0
+#: ../../using/recipes.md:456 cf3f158194ea4dc1ae5d1eda6b49fc0d
 msgid "For jupyterlab:"
 msgstr ""
 
 # f2efc5a0ba6b4c53b2047cc5f22bdbaa
-#: ../../using/recipes.md:462 ff86f3f3716a4b55af7d0a515308eb40
+#: ../../using/recipes.md:462 699a443ba7ea4225babdab92df8091c3
 msgid "For jupyter classic:"
 msgstr ""
 
 # 158396013982441e9e62402c499dfb11
-#: ../../using/recipes.md:468 858ef45730a64a3280b2c136e2d280f7
+#: ../../using/recipes.md:468 2676cd4a70314b25b8639a1c67cdd31f
 msgid "Enable nbextension spellchecker for markdown (or any other nbextension)"
 msgstr ""
 
 # 8ccfbcb4264f48d0b6709fe81aa0a86d
-#: ../../using/recipes.md:470 7a956e216745418d859c873ed0c4fed0
+#: ../../using/recipes.md:470 1a9f30ad1d83494284a85052ccd95646
 msgid "NB: this works for classic notebooks only"
 msgstr ""
 
 # 78ba1c20de2445fb9b76ec6202e4d794
-#: ../../using/recipes.md:484 ce5efcc652d040d894008f5d095c28ea
+#: ../../using/recipes.md:484 57ad648f1cd747d2bde1aa7afa314acd
 msgid "Ref: https://github.com/jupyter/docker-stacks/issues/675"
 msgstr ""
 
 # f66d723263124285a641f0dee8a41565
-#: ../../using/running.md:1 9207472a5eca4a6da2067698b92087e2
+#: ../../using/running.md:1 367c0b960f89411bb2acf282d75685a3
 msgid "Running a Container"
 msgstr ""
 
 # 1f345e7a53e94439b936b3f4bbc877da
 # 324906e630c646b0ae10bbff6ed587fa
 #: ../../using/running.md:3 ../../using/selecting.md:7
-#: df301a6ba0bc4e058e88bb9b132ff294 fcac031e230b4cebb7c519939f703988
+#: 9653697fbe624ffbb49497c217da62c3 a51987845f81410591cea00b6ff484d5
 msgid "Using one of the Jupyter Docker Stacks requires two choices:"
 msgstr ""
 
 # 781cbaffaea24fb08451cc83327cfa9b
 # 1c6c83776a3b4a27a8ed4128a0dceeb7
 #: ../../using/running.md:5 ../../using/selecting.md:9
-#: 2be4227db1714e7783b27df1a8688f88 dad9de91c3524f11a525d340c5933190
+#: 418307b1c4934e5995c47dc091855626 502ae7a401794061855ee08385f6048d
 msgid "Which Docker image you wish to use"
 msgstr ""
 
 # 632f67c9207e4ed9ba01bf59c4d942f7
 # ab191cfc95204429b7c0271ecdf69d33
 #: ../../using/running.md:6 ../../using/selecting.md:10
-#: 7e738dc1297c4626a11aec239f3d770a d750aa3a7dd44d5082ae177fb477bdbc
+#: 1dc26e356c444adea507cbfede5defd4 71d771f7519c42ad82ec93729aaf7b2f
 msgid "How you wish to start Docker containers from that image"
 msgstr ""
 
 # ebf870aa1ede4e2ab8fdcb2cef0fd610
-#: ../../using/running.md:8 a0e16780395c42b9a0f3340133822966
+#: ../../using/running.md:8 488c14512ea242cf9917b27c13b01207
 msgid "This section provides details about the second."
 msgstr ""
 
 # 3a614d7e864741199c1223a26fc37c03
-#: ../../using/running.md:10 50952a32b2c9438084edeb4de5a31125
+#: ../../using/running.md:10 e77ce46dc1dc41e59c37636dc4911d49
 msgid "Using the Docker CLI"
 msgstr ""
 
 # 3039d667df25426b84be7ab9d920cfee
-#: ../../using/running.md:12 e55cdb12b862495a893976ad25a64d48
+#: ../../using/running.md:12 00777b4a3077457baf445e1137186f19
 msgid ""
 "You can launch a local Docker container from the Jupyter Docker Stacks "
 "using the Docker command line interface. There are numerous ways to "
@@ -869,7 +869,7 @@ msgid ""
 msgstr ""
 
 # 0ea4263c502142b2b3fa7f55a917af19
-#: ../../using/running.md:14 f3dd42b1d77d452fba6d0f0e192d27b1
+#: ../../using/running.md:14 a0557f22f32045bc9c0b876f6e24163a
 msgid ""
 "Example 1 This command pulls the jupyter/scipy-notebook image tagged "
 "2c80cf3537ca from Docker Hub if it is not already present on the local "
@@ -879,7 +879,7 @@ msgid ""
 msgstr ""
 
 # 402a9d9ecccb479994d2903710aabaa6
-#: ../../using/running.md:36 e01ad44098b546d1820e44dfaaa0224a
+#: ../../using/running.md:36 80564619c5d34615969ef60bb8ef75f3
 msgid ""
 "Pressing Ctrl-C shuts down the notebook server but leaves the container "
 "intact on disk for later restart or permanent deletion using commands "
@@ -887,7 +887,7 @@ msgid ""
 msgstr ""
 
 # fe38eef5fbe24b90ab070cefeef42230
-#: ../../using/running.md:55 15e7f95ffa284285a853388ab2d9a5e6
+#: ../../using/running.md:55 4081bea9a02c4e478f9be14416431ffe
 msgid ""
 "Example 2 This command pulls the jupyter/r-notebook image tagged "
 "e5c5a7d3e52d from Docker Hub if it is not already present on the local "
@@ -898,7 +898,7 @@ msgid ""
 msgstr ""
 
 # d911c29555904311b29d8eb79fcb9843
-#: ../../using/running.md:77 25db2bd899be44cc82e7dd770a7c11d2
+#: ../../using/running.md:77 ca53c1b0301348f7877b48ad98823010
 msgid ""
 "Pressing Ctrl-C shuts down the notebook server and immediately destroys "
 "the Docker container. Files written to ~/work in the container remain "
@@ -906,7 +906,7 @@ msgid ""
 msgstr ""
 
 # 718d037e82a64d69aea592f76b3f047b
-#: ../../using/running.md:79 d4a80e5ef8e54f2b8791dce206bbce14
+#: ../../using/running.md:79 5c521a192d694ae0affe8af62c9b36d5
 msgid ""
 "Example 3 This command pulls the jupyter/all-spark-notebook image "
 "currently tagged latest from Docker Hub if an image tagged latest is not "
@@ -916,14 +916,14 @@ msgid ""
 msgstr ""
 
 # 9a561b9bb5944059801c71862521d66a
-#: ../../using/running.md:85 6e5dfe7152e342d591a87c63853a1242
+#: ../../using/running.md:85 c2dca83d5fd3414687c313ca880a6f11
 msgid ""
 "The assigned port and notebook server token are visible using other "
 "Docker commands."
 msgstr ""
 
 # c4bc333e19324e2a93118e21b1f8f360
-#: ../../using/running.md:99 357f683a145c491bb81fb57deb3caa59
+#: ../../using/running.md:99 6059369f9b6b4ee19e5879f29d75cb66
 msgid ""
 "Together, the URL to visit on the host machine to access the server in "
 "this case is "
@@ -931,19 +931,19 @@ msgid ""
 msgstr ""
 
 # bf82931e197b40ad940d9969993120a2
-#: ../../using/running.md:101 f071dc6e8707444a9d40ec9ea5be94a2
+#: ../../using/running.md:101 a7b1c0c2f47b425682a70d4aba931779
 msgid ""
 "The container runs in the background until stopped and/or removed by "
 "additional Docker commands."
 msgstr ""
 
 # f9627b2638ec498ebfd06d0475e1dc4c
-#: ../../using/running.md:113 335c171c7d8f4d8f96a1adf1c064d3e5
+#: ../../using/running.md:113 3507365d2ab64c25bc6953af17952d63
 msgid "Using Binder"
 msgstr ""
 
 # 6e355acc72ca41a2aca2972df65259c7
-#: ../../using/running.md:115 17e8e5ded56b42cc9fb6afc9956b318a
+#: ../../using/running.md:115 a5a23a0d329f4850a952f8b2bec73504
 msgid ""
 "Binder is a service that allows you to create and share custom computing "
 "environments for projects in version control. You can use any of the "
@@ -953,12 +953,12 @@ msgid ""
 msgstr ""
 
 # d6f8d0ee10b542488dce87b84eb48036
-#: ../../using/running.md:117 8917f81cb1c846259dc859a06ff35e21
+#: ../../using/running.md:117 87040cb187774336a56c8f651dcf0998
 msgid "Using JupyterHub"
 msgstr ""
 
 # ef9a37b25db542dea89c9c1fb31c18cd
-#: ../../using/running.md:119 b1aa6bd2d724466c8395eecc19730ded
+#: ../../using/running.md:119 7682a22e5b6349008b22ed1774e279b8
 msgid ""
 "You can configure JupyterHub to launcher Docker containers from the "
 "Jupyter Docker Stacks images. If you've been following the Zero to "
@@ -969,12 +969,12 @@ msgid ""
 msgstr ""
 
 # bf63b713aece4a7eacc2ad77f6f47c2c
-#: ../../using/running.md:121 7809c6f7ae214fe7b1d878d45702f12c
+#: ../../using/running.md:121 712fe46957c54f96a6a7ffed18f1fcc9
 msgid "Using Other Tools and Services"
 msgstr ""
 
 # fcce8862fc7a41a394c1e19d35363653
-#: ../../using/running.md:123 622a842c151349a29ce3cc81bf099f61
+#: ../../using/running.md:123 f61fde7776ca4a8e8510d32dfd526844
 msgid ""
 "You can use the Jupyter Docker Stacks with any Docker-compatible "
 "technology (e.g., Docker Compose, docker-py, your favorite cloud "
@@ -984,38 +984,38 @@ msgid ""
 msgstr ""
 
 # 75674f1f85cb43bcbc020de3b84f18f7
-#: ../../using/selecting.md:1 6ab49b451d5c48eba64269a315ea6d6b
+#: ../../using/selecting.md:1 12088108822746f69be0533698187451
 msgid "Selecting an Image"
 msgstr ""
 
 # 686b01e6feaf4363930c16cecff5f462
 # cdbd4076608348a182dc09701223093a
 #: ../../using/selecting.md:3 ../../using/selecting.md:14
-#: 5b726ecda52a41fc92680415362ce56c aba1a0a90e5e455daa114d6f76e55549
+#: 4413f4a95b274cc1b2d29b2c598119ab b4c493de8a0d4c8ba097d91d9c4d71f6
 msgid "Core Stacks"
 msgstr ""
 
 # daaad3b4f13e4c6395b0e9186c73030d
 # d0275f3e7b07428a85c62db44d774d71
 #: ../../using/selecting.md:4 ../../using/selecting.md:139
-#: 1fff8f89b45e46889490a7f2a4507084 ea0840cc53e94095874b3291f26baf8a
+#: 18e9972a07fc4f869d03b4cdf3e383c1 77a151ad7692433f92ab38c3216aa887
 msgid "Image Relationships"
 msgstr ""
 
 # 892152661ffc4ea096ba152334ff086f
 # a6f02cacf6334057bdb5eb1339411a32
 #: ../../using/selecting.md:5 ../../using/selecting.md:165
-#: 56b4f4dff2f54814a1b824f941787b64 56cc74c60add422ca99b028e842d0c4c
+#: 45ea7dddbe9848639723be6c3451eef8 6f9d34e482894bbfb690472f23bb3217
 msgid "Community Stacks"
 msgstr ""
 
 # af7e19bb10ec44348e8121be4129ce8a
-#: ../../using/selecting.md:12 4b164502bcb84696942c6b6a72c79243
+#: ../../using/selecting.md:12 6660a21e203a40febdaa5ac5d011ffbe
 msgid "This section provides details about the first."
 msgstr ""
 
 # fc2fca9d04f442e9a313123cec1174ff
-#: ../../using/selecting.md:16 1e24e6e19bcc4e8f8cf1d60006afd422
+#: ../../using/selecting.md:16 d1f3aa89d7204855bdaf10aa9138cf42
 msgid ""
 "The Jupyter team maintains a set of Docker image definitions in the "
 "https://github.com/jupyter/docker-stacks GitHub repository. The following"
@@ -1024,7 +1024,7 @@ msgid ""
 msgstr ""
 
 # 4e9d03b93e964d16b23b30610d17b3e2
-#: ../../using/selecting.md:19 cbcd2fcd68a844ea9323e4c4dbf29ab3
+#: ../../using/selecting.md:19 009cbbf720f3430c9706c31cef5040ce
 msgid "jupyter/base-notebook"
 msgstr ""
 
@@ -1041,177 +1041,177 @@ msgstr ""
 #: ../../using/selecting.md:51 ../../using/selecting.md:73
 #: ../../using/selecting.md:92 ../../using/selecting.md:103
 #: ../../using/selecting.md:116 ../../using/selecting.md:128
-#: ../../using/selecting.md:180 0a10ad03b51d42c9aa1daf4097d29a66
-#: 2d481957c0074eb9b80cea04a2783e0a 31c706da78564e5087b70261aebafc9d
-#: 581de921dc714ccfb12b52ec6576d917 73b6e9c122a84b5b9140566715b9f063
-#: 75f160f2d1224f27936b979e634d4376 805619d4d2c34d22a710d8f8d209208a
-#: beef5fb11bef4b92bd99e3205faee4b4 d9d00f2da70e43e78ea09622b1ccda54
+#: ../../using/selecting.md:180 23c545129ed64ee3bcf9e53b5bcd7f69
+#: 2417deb41f8f406eaf45da79071877a0 423ff458096b4c6ba3e2041c6207c73f
+#: 5df7dca7ac2a4e3b94b334f257689929 73c495bbf7904d808f6442c59b93d5d2
+#: 9deb3f44202c4895807cf5ac7f9bc894 a24a9b51504a441bb1d28ad1dbc5d04c
+#: aa09d2fb56c14d8c8bb664a5183b1af5 e766cf5fcbf14c0684f8874ab73535c8
 msgid "Source on GitHub | Dockerfile commit history | Docker Hub image tags"
 msgstr ""
 
 # eea41b7365bd4751ae599beb4edfa168
-#: ../../using/selecting.md:25 1ec8a18757084f3b9a5055ebef7ae3fb
+#: ../../using/selecting.md:25 84b636b69ee346279fe5c8cfcadaac24
 msgid ""
 "jupyter/base-notebook is a small image supporting the options common "
 "across all core stacks. It is the basis for all other stacks."
 msgstr ""
 
 # facfb37f7fa64b85930d8f12fdeef2dd
-#: ../../using/selecting.md:27 e8b2b8224b9e4875a044571ab30b3a0c
+#: ../../using/selecting.md:27 18f2f2e1686749fbbdd28e7026685e3e
 msgid ""
 "Minimally-functional Jupyter Notebook server (e.g., no pandoc for saving "
 "notebooks as PDFs)"
 msgstr ""
 
 # e90347274dd1459383e31a40bc6685f2
-#: ../../using/selecting.md:28 e431c471db8e4f4ba6ca0ca785e99bb6
+#: ../../using/selecting.md:28 f972c8e415f7493a9ca9862b8b137bde
 msgid "Miniconda Python 3.x in /opt/conda"
 msgstr ""
 
 # c5732a5536554f91b8dd7e8946beaab8
-#: ../../using/selecting.md:29 c1b0eec1785244039381dfb5f0fde04b
+#: ../../using/selecting.md:29 8919f720afab4b71b0f99899e80e7f83
 msgid "No preinstalled scientific computing packages"
 msgstr ""
 
 # 0396d289dcdd49788f06c18efeca5013
-#: ../../using/selecting.md:30 3a64f2e496fb4bc78f1106af35afd680
+#: ../../using/selecting.md:30 c6b46e74944843469116974c1ccd457d
 msgid ""
 "Unprivileged user jovyan (uid=1000, configurable, see options) in group "
 "users (gid=100) with ownership over the /home/jovyan and /opt/conda paths"
 msgstr ""
 
 # 0e9211b01ef94b66bad9288682e1a833
-#: ../../using/selecting.md:31 3ddeaa26f78744328cb19bf1bc2a0648
+#: ../../using/selecting.md:31 105ff0e1570643bdbde6d4b70b42c23e
 msgid ""
 "tini as the container entrypoint and a start-notebook.sh script as the "
 "default command"
 msgstr ""
 
 # e38b63a14dae4b718a94c6e0523daf1e
-#: ../../using/selecting.md:32 e1d0dc5c30c544dbb50ed762c353e088
+#: ../../using/selecting.md:32 1aafc47258fe42288dbc195b6f43f922
 msgid "A start-singleuser.sh script useful for launching containers in JupyterHub"
 msgstr ""
 
 # 0a603f43d1b34be28d2c1002f6686fda
-#: ../../using/selecting.md:33 d8f193b9de7f499da59b36a2509728a0
+#: ../../using/selecting.md:33 6e7821b519c24a2b8acdf1d33461a769
 msgid ""
 "A start.sh script useful for running alternative commands in the "
 "container (e.g. ipython, jupyter kernelgateway, jupyter lab)"
 msgstr ""
 
 # 075e6ffe0f5b4d508d555992f5dd6fe1
-#: ../../using/selecting.md:34 eb156ee182f44d019dc8787b61431ea2
+#: ../../using/selecting.md:34 a19c99208cc249569e2bcec6f7371025
 msgid "Options for a self-signed HTTPS certificate and passwordless sudo"
 msgstr ""
 
 # 9cff5da6908e42d5a7da093ba0bfcfe7
-#: ../../using/selecting.md:36 eb378d878840493dbaedd9e0fb494b0f
+#: ../../using/selecting.md:36 bde4582876e040b6aea2f7c12cc018e5
 msgid "jupyter/minimal-notebook"
 msgstr ""
 
 # 8596676795f142d2912833d1320aa6a0
-#: ../../using/selecting.md:42 3994196ce75949ba95be552cc972f080
+#: ../../using/selecting.md:42 94a0c742ab424ff0af500e25e592f124
 msgid ""
 "jupyter/minimal-notebook adds command line tools useful when working in "
 "Jupyter applications."
 msgstr ""
 
 # b1167e8a2430451fbb41ea876714d541
-#: ../../using/selecting.md:44 499a9d63537d4c90a2154c3fbca115a5
+#: ../../using/selecting.md:44 4bfebe168a9743e2b7495f8dd5e7fb70
 msgid "Everything in jupyter/base-notebook"
 msgstr ""
 
 # c46294c22bd44a86ac08b977f060a21d
-#: ../../using/selecting.md:45 bd71169457104f5ba3b5e5f5581d3752
+#: ../../using/selecting.md:45 168478fd91874253939921b45a3fb174
 msgid "Pandoc and TeX Live for notebook document conversion"
 msgstr ""
 
 # ad6fec23e1bf4a42b0cafd2f15e74574
-#: ../../using/selecting.md:46 624b77d163ee45168d7a4f7367fee312
+#: ../../using/selecting.md:46 bcc2183eb69c438382a979a888e60c34
 msgid "git, emacs, jed, nano, tzdata, and unzip"
 msgstr ""
 
 # 1c7363e9e14148f7a302b0075598590a
-#: ../../using/selecting.md:49 81cf98dacc0c4a73994c0c21d7293c29
+#: ../../using/selecting.md:49 772ff15550db4ba9bcf527513a69f372
 msgid "jupyter/r-notebook"
 msgstr ""
 
 # a6bc72d21b0c4102b16a38df077a48dd
-#: ../../using/selecting.md:55 18f9e287151e4a14a0cd95f391536f3d
+#: ../../using/selecting.md:55 a741e6ae5ab7428789dd483a40430e8f
 msgid "jupyter/r-notebook includes popular packages from the R ecosystem."
 msgstr ""
 
 # bfe937844bef465081bdd0cc74064b77
 # eb5808624ae249d5aa6b1b06350035dc
 #: ../../using/selecting.md:57 ../../using/selecting.md:79
-#: bcf9cab06e3a4d9297a9b17f5d0fc9f3 c1ee02b7c7bc46d29b7a4248ba19c8d3
+#: 95359b51c5534f32a11e7c86980c47cf d358c262651f405b9eb15f23198c8924
 msgid "Everything in jupyter/minimal-notebook and its ancestor images"
 msgstr ""
 
 # db6a08c9a21f4e1eae1f4a7c7656a60d
-#: ../../using/selecting.md:58 210b50fb1e654db2864fefc776c56d91
+#: ../../using/selecting.md:58 bcf876b1a8cd436db8938a85999dfb2a
 msgid "The R interpreter and base environment"
 msgstr ""
 
 # c1cf2ef729d04aacbbf220cbe78edb07
 # 486896c4482443dcb0f7408c888f29e9
 #: ../../using/selecting.md:59 ../../using/selecting.md:135
-#: 97099d4ec8a84e169462ce9347b53bf9 c81e4e88863b4233b4fbe09af0e81887
+#: 1cc3b28a44944ae8b1ebee066586e2c7 a650725e4475482c885edad7e6ae5a8a
 msgid "IRKernel to support R code in Jupyter notebooks"
 msgstr ""
 
 # ce8993612e2e44aea34dedc24740025d
-#: ../../using/selecting.md:60 e7dbc4bc88c946c2b7720070fc140f83
+#: ../../using/selecting.md:60 e9323c959fe840b181030374349a8c19
 msgid ""
 "tidyverse packages, including ggplot2, dplyr, tidyr, readr, purrr, "
 "tibble, stringr, lubridate, and broom from conda-forge"
 msgstr ""
 
 # dcf536112dad48369dbd06c240f5b337
-#: ../../using/selecting.md:64 649cb78f25db47b78b2a81054c4f7e6f
+#: ../../using/selecting.md:64 17a41ea1abb04d65ac702770f28a2cd0
 msgid ""
 "plyr, devtools, shiny, rmarkdown, forecast, rsqlite, reshape2, "
 "nycflights13, caret, rcurl, and randomforest packages from conda-forge"
 msgstr ""
 
 # 3e8e6435e2b64a9fb9be8fe252ed2f3a
-#: ../../using/selecting.md:71 6f18af6eb2ea4afa8af060f04dda7e02
+#: ../../using/selecting.md:71 36c4219f1da34cb583bf6e05ad3de035
 msgid "jupyter/scipy-notebook"
 msgstr ""
 
 # 7d06f0f385c844389eabb820a73b9cf1
-#: ../../using/selecting.md:77 bfb29337d3e146a9aa73f6714642442c
+#: ../../using/selecting.md:77 0b67da8012f84ff4a1f08d30058eb910
 msgid ""
 "jupyter/scipy-notebook includes popular packages from the scientific "
 "Python ecosystem."
 msgstr ""
 
 # 9b123df88f864a9f8bd0472877a47a23
-#: ../../using/selecting.md:80 b6495265635e40d5bad282b286d679ae
+#: ../../using/selecting.md:80 8cf9453ff0144a93a4bb03bc239b3ab7
 msgid ""
 "pandas, numexpr, matplotlib, scipy, seaborn, scikit-learn, scikit-image, "
 "sympy, cython, patsy, statsmodel, cloudpickle, dill, numba, bokeh, "
 "sqlalchemy, hdf5, vincent, beautifulsoup, protobuf, and xlrd packages"
 msgstr ""
 
-#: ../../using/selecting.md:87 79355cfe980d4c1aa3eb1d4645b6dae2
+#: ../../using/selecting.md:87 8fb9e42f061e4db7a0e722b5bbd00300
 msgid ""
 "ipywidgets and ipympl for interactive visualizations and plots in Python "
 "notebooks"
 msgstr ""
 
 # 538f0c0d60e84ac7b96c747c780dfd9e
-#: ../../using/selecting.md:88 92f546b8c4bd4509a8d257201a247ae6
+#: ../../using/selecting.md:88 ed79d50ba81c4313b0969c770e8f1aaa
 msgid "Facets for visualizing machine learning datasets"
 msgstr ""
 
 # 91f89dafe55d46219648e753b94f3054
-#: ../../using/selecting.md:90 1104322210024550a3ee96688789c130
+#: ../../using/selecting.md:90 546ccaf0c4844dff9ef1aa164e684149
 msgid "jupyter/tensorflow-notebook"
 msgstr ""
 
 # 183ce48c172144bc91143bc63797512d
-#: ../../using/selecting.md:96 dfd0f7c954234ca3b8c49b8dc535862c
+#: ../../using/selecting.md:96 abc6f107e2e845f88e62e931133395bd
 msgid ""
 "jupyter/tensorflow-notebook includes popular Python deep learning "
 "libraries."
@@ -1220,100 +1220,100 @@ msgstr ""
 # 5406ba3cf8a644a79a678c7968ef36cc
 # 7dad34e3954840d69b1c418bfdc475c5
 #: ../../using/selecting.md:98 ../../using/selecting.md:122
-#: 0eb824effee443ab9ff54d9c75fe70ec 817252e1de544cf0903fa8d0b93726b4
+#: 7ceea8a83fb342a9855c0f1dc1a48eb2 e260bbd8611444b2bee8f93918422d4e
 msgid "Everything in jupyter/scipy-notebook and its ancestor images"
 msgstr ""
 
 # 7698f92c854b4324a3371453e3ee1878
-#: ../../using/selecting.md:99 62737d96ff0547f0b45418bfb89f06c7
+#: ../../using/selecting.md:99 b45e6c6e15004f3da0bf49571e7a23c7
 msgid "tensorflow and keras machine learning libraries"
 msgstr ""
 
 # e1403de76d344f4d93bd47a91dd00428
-#: ../../using/selecting.md:101 d12aab10d1d048ceb19a3ea5e95e2168
+#: ../../using/selecting.md:101 475531e2bb564117baf60e70b42ec54e
 msgid "jupyter/datascience-notebook"
 msgstr ""
 
 # 2bd4e59533d04b86846cea01ccf36ed4
-#: ../../using/selecting.md:107 f9c922c45a774554a766725513fea411
+#: ../../using/selecting.md:107 ce7e3cc1b81f45a2a01ab1fde55d9181
 msgid ""
 "jupyter/datascience-notebook includes libraries for data analysis from "
 "the Julia, Python, and R communities."
 msgstr ""
 
 # ba7ecdc5c2444acd86073ac84157e7cf
-#: ../../using/selecting.md:109 ec112b334957491faf5d8b4a7c35b794
+#: ../../using/selecting.md:109 455e56658e9740e7ab7677cfccebbe8e
 msgid ""
 "Everything in the jupyter/scipy-notebook and jupyter/r-notebook images, "
 "and their ancestor images"
 msgstr ""
 
 # bfa2ae2246be45fdb389767d6f74baa6
-#: ../../using/selecting.md:110 8f4ee84b65984a96b39c7a5cfc1c2e4d
+#: ../../using/selecting.md:110 0c5bc62c696e4c039f9e25fc847b257d
 msgid "The Julia compiler and base environment"
 msgstr ""
 
 # 31750842f94747f4a0ebd0ca4ac8f2af
-#: ../../using/selecting.md:111 1be3858ca24243d1a238600e90c69b40
+#: ../../using/selecting.md:111 fd395ceb06a7495f8c53c4af4d68af16
 msgid "IJulia to support Julia code in Jupyter notebooks"
 msgstr ""
 
 # d8985019373a4360a66ce8c6e32056fa
-#: ../../using/selecting.md:112 0f9b1d384de34189bf528f4961e7db8c
+#: ../../using/selecting.md:112 368e7228c54e41e0a91c3292a797c58c
 msgid "HDF5, Gadfly, and RDatasets packages"
 msgstr ""
 
 # 051a6e882e974e599bc0221add5e0c50
-#: ../../using/selecting.md:114 f316fae2dd664f0ba1e1984ed176b7f0
+#: ../../using/selecting.md:114 5f3bcfba62f74a2eb866d1c978a16321
 msgid "jupyter/pyspark-notebook"
 msgstr ""
 
 # a1a474f29c9047d6bb99e9a41e789351
-#: ../../using/selecting.md:120 839dbb1915f44d58a269a95e1f90162e
+#: ../../using/selecting.md:120 97a1c9ac93f14c00ae3c76f815cfe662
 msgid ""
 "jupyter/pyspark-notebook includes Python support for Apache Spark, "
 "optionally on Mesos."
 msgstr ""
 
 # 6d585f39fb334a5c95c7f9864baea8a9
-#: ../../using/selecting.md:123 aa2b65540dae40fcb6ab4c21b3f87f70
+#: ../../using/selecting.md:123 b1d3498a297149f2bc33e34555a35e93
 msgid "Apache Spark with Hadoop binaries"
 msgstr ""
 
 # 33bbd9311c5640008e775210d3f75097
-#: ../../using/selecting.md:124 ede3aed93fd8422aad9e2b3421d2d4ed
+#: ../../using/selecting.md:124 c3859aaee8964dfc880f38a62501cbca
 msgid "Mesos client libraries"
 msgstr ""
 
 # dcdbe62ca177455881f879d5809648d9
-#: ../../using/selecting.md:126 8d9c54544dff4ca5b83a54b24da586db
+#: ../../using/selecting.md:126 c60ddcf81ffd4722abce0836cc086527
 msgid "jupyter/all-spark-notebook"
 msgstr ""
 
 # 954fbce53b9d4e3c90c88a65e7d138bd
-#: ../../using/selecting.md:132 5bb78e8b85ae4089a43ad66c5db7eb96
+#: ../../using/selecting.md:132 d3187c1325444a9ebe061d8093d7b0c3
 msgid ""
 "jupyter/all-spark-notebook includes Python, R, and Scala support for "
 "Apache Spark, optionally on Mesos."
 msgstr ""
 
 # 671183aa9bcb4f4ba34933a4cc0e28c0
-#: ../../using/selecting.md:134 432529cdc0b14c38a18567d13c4061ea
+#: ../../using/selecting.md:134 abdc37aa38f04bb1812c8b880a6328d0
 msgid "Everything in jupyter/pyspark-notebook and its ancestor images"
 msgstr ""
 
 # 0114a45f63054b1e9a56aff6c04bd670
-#: ../../using/selecting.md:136 fabbe9bbf8fd4314a11759eab6c7ba02
+#: ../../using/selecting.md:136 ae1ceb6b294140dc8a9e9233b2d930c4
 msgid "Apache Toree and spylon-kernel to support Scala code in Jupyter notebooks"
 msgstr ""
 
 # aa21cb83205c4045960bcfd3f3fc1542
-#: ../../using/selecting.md:137 78f6ca98638f472bb140eefe6b685180
+#: ../../using/selecting.md:137 df9b7de10c4e4437afa29709e278d05a
 msgid "ggplot2, sparklyr, and rcurl packages"
 msgstr ""
 
 # 07d86ef0562f455abb691bffeaca467f
-#: ../../using/selecting.md:141 62848900e73b47f29d6e24426148f359
+#: ../../using/selecting.md:141 fd1f5851c7004ee3b38cb3b3424f4d8c
 msgid ""
 "The following diagram depicts the build dependency tree of the core "
 "images. (i.e., the FROM statements in their Dockerfiles). Any given image"
@@ -1321,12 +1321,12 @@ msgid ""
 msgstr ""
 
 # fbf5d0a65b8748a5ba1b29a0e43ce9f4
-#: ../../using/selecting.md:147 2f5487bd562947a7a1fa1a6d6cd28ded
+#: ../../using/selecting.md:147 6883f4c2e6924280872df08fbfefe273
 msgid "Builds"
 msgstr ""
 
 # 75fc61a8cc874e9196ee00f7af15bb0b
-#: ../../using/selecting.md:149 7ed568eebf5541848dd524f785d24f56
+#: ../../using/selecting.md:149 e670a5669509406d8b7d3e6d902acc13
 msgid ""
 "Pull requests to the jupyter/docker-stacks repository trigger builds of "
 "all images on Travis CI. These images are for testing purposes only and "
@@ -1336,12 +1336,12 @@ msgid ""
 msgstr ""
 
 # d226a5a7f673440cbe70097864dda848
-#: ../../using/selecting.md:152 9a1b7796dbcb4290badb76c4f8595fbf
+#: ../../using/selecting.md:152 674dcb0f342b43fb90508dddb64cb2e5
 msgid "Versioning"
 msgstr ""
 
 # 34b4f765c48944bd939679eeb9810497
-#: ../../using/selecting.md:154 71c7c3a5e4ef4e6d9eb4a2c75c698e16
+#: ../../using/selecting.md:154 b87db3929c614ea18712dd3a12b14f17
 msgid ""
 "The latest tag in each Docker Hub repository tracks the master branch "
 "HEAD reference on GitHub. latest is a moving target, by definition, and "
@@ -1349,7 +1349,7 @@ msgid ""
 msgstr ""
 
 # 7ea772c3bc1d4463b29db3b57e48be8d
-#: ../../using/selecting.md:157 74d8e761bff043779ca6709e9cf3ec82
+#: ../../using/selecting.md:157 54645b96af684e1598c3baf21811dd8f
 msgid ""
 "Every image on Docker Hub also receives a 12-character tag which "
 "corresponds with the git commit SHA that triggered the image build. You "
@@ -1359,7 +1359,7 @@ msgid ""
 "stacks/tree/7c45ec67c8e7)."
 msgstr ""
 
-#: ../../using/selecting.md:161 943e62ca24d74386a77f480af652c99a
+#: ../../using/selecting.md:161 bdcad93547fd4f019a94bec263ec06f0
 msgid ""
 "You must refer to git-SHA image tags when stability and reproducibility "
 "are important in your work. (e.g. FROM jupyter/scipy-"
@@ -1370,7 +1370,7 @@ msgid ""
 msgstr ""
 
 # a448d28293544f72b0e5de024b0a1ef5
-#: ../../using/selecting.md:167 e9b698a5f62d46ada91111bb338aa277
+#: ../../using/selecting.md:167 effbe783665a48ee8de27425afe7f934
 msgid ""
 "The core stacks are just a tiny sample of what's possible when combining "
 "Jupyter with other technologies. We encourage members of the Jupyter "
@@ -1379,7 +1379,7 @@ msgid ""
 msgstr ""
 
 # cf34bef9989940dda5de9dc026732a4c
-#: ../../using/selecting.md:170 40f9bf33715542838086abc81fabb887
+#: ../../using/selecting.md:170 1c469f9dc1db42689a556ff8b3d03e98
 msgid ""
 "csharp-notebook is a community Jupyter Docker Stack image. Try C# in "
 "Jupyter Notebooks. The image includes more than 200 Jupyter Notebooks "
@@ -1388,7 +1388,7 @@ msgid ""
 msgstr ""
 
 # e5c4a7b08c2f4b34b361a923f9fb3dbd
-#: ../../using/selecting.md:174 ac89ef37ef6948ab82d8d74c231df26d
+#: ../../using/selecting.md:174 b713fc48829f4d41b9e5918adae8885f
 msgid ""
 "education-notebook is a community Jupyter Docker Stack image. The image "
 "includes nbgrader and RISE on top of the datascience-notebook image. "
@@ -1396,24 +1396,24 @@ msgid ""
 msgstr ""
 
 # 8a550c70c3454d72b976cabc1cbdf465
-#: ../../using/selecting.md:178 8ae76c51255a4f189c04baa94fa2af88
+#: ../../using/selecting.md:178 a227f4f158df485883d8a9ee5b199505
 msgid "crosscompass/ihaskell-notebook"
 msgstr ""
 
 # 997dafa5bad846f49a7eee78001ed3fc
-#: ../../using/selecting.md:184 6958fe2dd2a74e9692e6a595abc6dc06
+#: ../../using/selecting.md:184 d141276188484a09ac205ce6e32c0f46
 msgid ""
 "crosscompass/ihaskell-notebook is based on IHaskell. Includes popular "
 "packages and example notebooks."
 msgstr ""
 
 # 9af612ef9b1847e9a537228c2d3bc77d
-#: ../../using/selecting.md:186 4d007149c3724ba4adbf66037be102bf
+#: ../../using/selecting.md:186 8057be22f2224355bc29070a085c71c8
 msgid "Try it on binder:"
 msgstr ""
 
 # d514a88096544a2ca92ceaf14b1323eb
-#: ../../using/selecting.md:189 a18272a9a9a44269beb94de5ca2ad59f
+#: ../../using/selecting.md:189 c8c536a909874ea5ba2a729f8a438ebf
 msgid ""
 "java-notebook is a community Jupyter Docker Stack image. The image "
 "includes IJava kernel on top of the minimal-notebook image. Click here to"
@@ -1421,14 +1421,14 @@ msgid ""
 msgstr ""
 
 # e5b3d27fa68b47d4a2c02c7a039d7daf
-#: ../../using/selecting.md:193 1333cf4d74c945c1baa0897bfccccb69
+#: ../../using/selecting.md:193 ed2e7a8f0f5949e99f571d6cc663813b
 msgid ""
 "sage-notebook is a community Jupyter Docker Stack image with the sagemath"
 " kernel on top of the minimal-notebook image. Click here to launch it on "
 "."
 msgstr ""
 
-#: ../../using/selecting.md:197 b179c24b1a994cc19ea6d6ea0739ffcb
+#: ../../using/selecting.md:197 3896cad85862499ea85cd9401ec56986
 msgid ""
 "GPU-Jupyter: Leverage Jupyter Notebooks with the power of your NVIDIA GPU"
 " and perform GPU calculations using Tensorflow and Pytorch in "
@@ -1438,7 +1438,7 @@ msgid ""
 "Keras and PyTorch on top of it."
 msgstr ""
 
-#: ../../using/selecting.md:203 527c0ee4de3e4e4fbbd306a8689f111b
+#: ../../using/selecting.md:203 a17d9a115f7c435f80c1bf32fa25c73e
 msgid ""
 "cgspatial-notebook is a community Jupyter Docker Stack image. The image "
 "includes major geospatial Python & R libraries on top of the datascience-"
@@ -1446,34 +1446,34 @@ msgid ""
 msgstr ""
 
 # f9f4ef31795249d9bf2a752dfbb27a8f
-#: ../../using/selecting.md:208 d61a8d7100994c46987588eddae989af
+#: ../../using/selecting.md:208 256ac99eab754c3886cbbd0d8ecb509a
 msgid ""
 "See the contributing guide for information about how to create your own "
 "Jupyter Docker Stack."
 msgstr ""
 
 # 7b67588ff359486cb64810359db6704c
-#: ../../using/specifics.md:1 347ec1c1f6f2438dacaf583d1ab3c014
+#: ../../using/specifics.md:1 1db23c77089541acbf67665270bc0413
 msgid "Image Specifics"
 msgstr ""
 
 # 06b0d21a881140a29e17e5b9fa5598ab
-#: ../../using/specifics.md:3 12261d8635ad4ca886c42f2ffed868a5
+#: ../../using/specifics.md:3 6110d030cad940de9bb04c8cd1d94953
 msgid "This page provides details about features specific to one or more images."
 msgstr ""
 
 # 4e5d822c2e1a410099f1ab5831e29927
-#: ../../using/specifics.md:5 f2388869d44b4aba8d7e66a4c837a227
+#: ../../using/specifics.md:5 a5cae290074a4059b63b21295a247a5e
 msgid "Apache Spark"
 msgstr ""
 
 # 433d8d99798649029dafd444253567b4
-#: ../../using/specifics.md:7 ba72b2e9d89d49dd8e8ed05a5c7c081c
+#: ../../using/specifics.md:7 56fcd472d13844d98ee4cc66a0081ea9
 msgid "Specific Docker Image Options"
 msgstr ""
 
 # 70083fc71521409895897387117748bc
-#: ../../using/specifics.md:8 a11cc2eb28924870a20286975cd97fd2
+#: ../../using/specifics.md:8 170a592cb29f4432bc43912db3053f8a
 msgid ""
 "-p 4040:4040 - The jupyter/pyspark-notebook and jupyter/all-spark-"
 "notebook images open SparkUI (Spark Monitoring and Instrumentation UI) at"
@@ -1485,12 +1485,12 @@ msgid ""
 msgstr ""
 
 # 2449b18de82e4d129cbd49e52ce9e522
-#: ../../using/specifics.md:10 da5e543fcfe144288380f6c585d36fea
+#: ../../using/specifics.md:10 6866b9f701684a1393fc4cf705fc08a3
 msgid "Usage Examples"
 msgstr ""
 
 # ec077f84f7394baba4071d0d8a9c9dbf
-#: ../../using/specifics.md:12 126bff51fe714453b8336276b561aa2f
+#: ../../using/specifics.md:12 060fa3454c8f4a049b57dddc2ee9038e
 msgid ""
 "The jupyter/pyspark-notebook and jupyter/all-spark-notebook images "
 "support the use of Apache Spark in Python, R, and Scala notebooks. The "
@@ -1499,12 +1499,12 @@ msgid ""
 msgstr ""
 
 # ca35b3b020914e2eb2e877199a90d4a4
-#: ../../using/specifics.md:14 51d38e8123224e13a71a14b0ab11353e
+#: ../../using/specifics.md:14 059e4c0ce92a40919abff584149419de
 msgid "Using Spark Local Mode"
 msgstr ""
 
 # 15a0171869f3437481b9dfb2aec3db00
-#: ../../using/specifics.md:16 24527f112cfa40ae87a96b32ef845ba1
+#: ../../using/specifics.md:16 da2a8c54ba9e4905b2ebd66cbe262f0b
 msgid ""
 "Spark local mode is useful for experimentation on small data when you do "
 "not have a Spark cluster available."
@@ -1513,26 +1513,26 @@ msgstr ""
 # 2c5367b84e444a1aa504910b22ba1454
 # 09d8b02687704d368a670cb243e299fb
 #: ../../using/specifics.md:18 ../../using/specifics.md:74
-#: 308b012baae34765ba51ad2398d2d2a0 3a18bdb11b6d4ec28f59882be4fdfa3c
+#: 135afb1203d94725884a2b9351eb205b 9972d0d6f0f74352aceaab776eb3a486
 msgid "In a Python Notebook"
 msgstr ""
 
 # 2b5c49ea60184570a8b50622140c22e1
 # 192add33e94844f080ae03254899e2ee
 #: ../../using/specifics.md:27 ../../using/specifics.md:101
-#: 092c4bd68a82441fa81fe80f83b4f39e 70b7f1ae401e4b42a6027a1e769a04d0
+#: 17abcc2d1e9b43e7840df269479218fc de6efb19d6c74304ac0d217048374969
 msgid "In a R Notebook"
 msgstr ""
 
 # 80cedeb3b4514de792dba8e03b1c8774
 # 5f3159414ddc427699709ddef740d6fd
 #: ../../using/specifics.md:39 ../../using/specifics.md:122
-#: 2031bade885c43479208aa8181905390 dd4a62b254b24830842ae0d93a4b4932
+#: d9317aa08bd84ebf9b3d701839559381 fa3808da6bf8484481c15b425364b8fb
 msgid "In a Spylon Kernel Scala Notebook"
 msgstr ""
 
 # 07c9256c669b488aaa2df48676d5a188
-#: ../../using/specifics.md:41 4b209a843ea84417bd8dba48f57bbf88
+#: ../../using/specifics.md:41 580fc07babe84914af243ff6d7d41693
 #, python-format
 msgid ""
 "Spylon kernel instantiates a SparkContext for you in variable sc after "
@@ -1542,34 +1542,34 @@ msgstr ""
 # aeec453983524d3ab59f7241cf8bac7b
 # 472a48e72aaf46ca86a89e1598595045
 #: ../../using/specifics.md:55 ../../using/specifics.md:137
-#: 9021ff214d8f419989c2d4498840f512 da4698be052b4189870a7b34c56e6608
+#: 301026456a144599bd1484ebadde1729 a367b4b6004a4913a2c82d260975ec15
 msgid "In an Apache Toree Scala Notebook"
 msgstr ""
 
 # 762d164260cd4938b5f9556b29b0e171
-#: ../../using/specifics.md:57 e69576eca5454d7697dd9f8a90cbd599
+#: ../../using/specifics.md:57 34cd99f90b2a4c5096f2c8ed23f1c5a0
 msgid ""
 "Apache Toree instantiates a local SparkContext for you in variable sc "
 "when the kernel starts."
 msgstr ""
 
 # 8da1ef6876324b61885c5dec2c6a9cbf
-#: ../../using/specifics.md:64 356321485c104db19f35520ba082bb64
+#: ../../using/specifics.md:64 80cb054a4bca45538100bb7bf70e909b
 msgid "Connecting to a Spark Cluster on Mesos"
 msgstr ""
 
 # 4926e921fbd24baba9888b3f08cf4f51
-#: ../../using/specifics.md:66 aa40f0c1442149499770a3ba96f6d668
+#: ../../using/specifics.md:66 adf125cd19ed4b048c03d6a8a748d5de
 msgid "This configuration allows your compute cluster to scale with your data."
 msgstr ""
 
 # e8c29961728146a28c6581966a2d2341
-#: ../../using/specifics.md:68 0017824071e64b8da9d2c6a6c2722f2a
+#: ../../using/specifics.md:68 80d429efcee94dabac57242485b3ca2a
 msgid "Deploy Spark on Mesos."
 msgstr ""
 
 # 1838d7f4481246538ca4ffe89e02ff4d
-#: ../../using/specifics.md:69 3cda8bc583a642929893884ad0f8d904
+#: ../../using/specifics.md:69 5d1a5e73e9ad49e5a90af10343a5d3ce
 msgid ""
 "Configure each slave with the --no-switch_user flag or create the "
 "$NB_USER account on every slave node."
@@ -1578,7 +1578,7 @@ msgstr ""
 # d4ee49cc6cb547389ed3228e74a4a67c
 # 4b8c4c1e7ea441f1af4b4e0fbed73888
 #: ../../using/specifics.md:70 ../../using/specifics.md:166
-#: 0ed329e5dad04f0aa6e82ff007ebfe5b 4db987cdff0a4e909c8dd9c4f4a0de2f
+#: 0da25d3dc5144ad5989036bccacb5c06 cd77a32a427148228512d29e6816ab4c
 msgid ""
 "Run the Docker container with --net=host in a location that is network "
 "addressable by all of your Spark workers. (This is a Spark networking "
@@ -1588,7 +1588,7 @@ msgstr ""
 # 9a026387155e46fa8e4e1ea3f00d3a63
 # 68e479d8f50e4685a0fb5de56a978347
 #: ../../using/specifics.md:71 ../../using/specifics.md:167
-#: ac8d624ca6644d648c59f1add20384e5 bd1f15d995c946978311de03cb9056de
+#: 76e63e3bcf714c3a9cf3d3693f39dbb7 ea7b2d26875e4b089aaa1457c5d9b902
 msgid ""
 "NOTE: When using --net=host, you must also use the flags --pid=host -e "
 "TINI_SUBREAPER=true. See https://github.com/jupyter/docker-"
@@ -1596,12 +1596,12 @@ msgid ""
 msgstr ""
 
 # 16c4327879294075a64b4329f972321c
-#: ../../using/specifics.md:72 1f85c3c159584363a046a297e085ec60
+#: ../../using/specifics.md:72 cfd2376e5b71484aa92a3b0cd1e9aa28
 msgid "Follow the language specific instructions below."
 msgstr ""
 
 # 929575857ae647aebbcb721af39bdd7e
-#: ../../using/specifics.md:139 2cb74f24b660475486d25cf2c85b08ce
+#: ../../using/specifics.md:139 24b34918b6aa4be2aa30454e6d72ab6f
 msgid ""
 "The Apache Toree kernel automatically creates a SparkContext when it "
 "starts based on configuration information from its command line arguments"
@@ -1611,7 +1611,7 @@ msgid ""
 msgstr ""
 
 # 3e3d5ec9fa554e75989856139938f4f8
-#: ../../using/specifics.md:141 0f3e6bf6b03949a38d39b91a3cbfb747
+#: ../../using/specifics.md:141 3d3a6ff823124307a8c2a21ce5fb4014
 msgid ""
 "For instance, to pass information about a Mesos master, Spark binary "
 "location in HDFS, and an executor options, you could start the container "
@@ -1619,7 +1619,7 @@ msgid ""
 msgstr ""
 
 # fa8494a4dde544109b9f6f49ac28178f
-#: ../../using/specifics.md:149 4acfc2ba0660428fba9a3534a5ed0eca
+#: ../../using/specifics.md:149 6c2fc43ca9ae46d5b79d12bd5f4266e8
 msgid ""
 "Note that this is the same information expressed in a notebook in the "
 "Python case above. Once the kernel spec has your cluster information, you"
@@ -1627,31 +1627,31 @@ msgid ""
 msgstr ""
 
 # da5d5d861e914df98df9dba50fb3d66a
-#: ../../using/specifics.md:160 b51ccaa6c3c84fd584cea8cb7608810c
+#: ../../using/specifics.md:160 0c3651fc59e9450ebd4bbe66e477a4c8
 msgid "Connecting to a Spark Cluster in Standalone Mode"
 msgstr ""
 
 # 79db0ba4244a4701aa8dfe0053d5579c
-#: ../../using/specifics.md:162 217ead45b71d4d91967b78bd94ebbaf9
+#: ../../using/specifics.md:162 5ea1ab81bd4746288daf75d1bec301a0
 msgid ""
 "Connection to Spark Cluster on Standalone Mode requires the following set"
 " of steps:"
 msgstr ""
 
 # 2c728588b6df4753a0c08f969364a79a
-#: ../../using/specifics.md:164 3463e9a2b56145a780401ab72808aa60
+#: ../../using/specifics.md:164 0623f634bb224362900d3b29a2feff84
 msgid ""
 "Verify that the docker image (check the Dockerfile) and the Spark Cluster"
 " which is being deployed, run the same version of Spark."
 msgstr ""
 
 # d5a341bb44524a8cb33f086803daaf63
-#: ../../using/specifics.md:165 14fa019146a4419a9b13babeed43a8d6
+#: ../../using/specifics.md:165 e1d78ca1d8eb495d843285d5ca4a3e93
 msgid "Deploy Spark in Standalone Mode."
 msgstr ""
 
 # 3c781f06114240e28dcdb0c40a5d5cf5
-#: ../../using/specifics.md:168 c03c58a6ac3642b8a2635c9e7f1b7d51
+#: ../../using/specifics.md:168 b8be2800339d419f96f63daea045669a
 msgid ""
 "The language specific instructions are almost same as mentioned above for"
 " Mesos, only the master url would now be something like "
@@ -1659,24 +1659,24 @@ msgid ""
 msgstr ""
 
 # 85baa5bd4ed5426b96dad49dacfab9cb
-#: ../../using/specifics.md:170 58a259b5bb0b4957866bfe56b80853d8
+#: ../../using/specifics.md:170 fbdb225bdb3740a398c192253ca54a58
 msgid "Tensorflow"
 msgstr ""
 
 # 4249b4b266fc4aeeb85dc8386ab60592
-#: ../../using/specifics.md:172 32d1d20ab1544edd88ff097e1d3d493a
+#: ../../using/specifics.md:172 710d1de7311148fe90d19d8cfc113936
 msgid ""
 "The jupyter/tensorflow-notebook image supports the use of Tensorflow in "
 "single machine or distributed mode."
 msgstr ""
 
 # 68fba23f7cd94702a9dead3c51719206
-#: ../../using/specifics.md:174 9c93d648b8bc40d4846abec363a01a13
+#: ../../using/specifics.md:174 83366f5cac984d589d0b80f911d671ee
 msgid "Single Machine Mode"
 msgstr ""
 
 # d4b74babe01d4a3a86c46844a737151b
-#: ../../using/specifics.md:188 049d9020e3794028badfe292d2a7ecb2
+#: ../../using/specifics.md:188 595b90c89d784e0b8cd7b1536ef71bed
 msgid "Distributed Mode"
 msgstr ""
 
@@ -1738,3 +1738,11 @@ msgstr ""
 #~ "in a notebook)."
 #~ msgstr ""
 
+# 909f17eb57bc4e4e8df8216423d9c008
+#~ msgid ""
+#~ "You should only enable sudo if you"
+#~ " trust the user and/or if the "
+#~ "container is running on an isolated "
+#~ "host."
+#~ msgstr ""
+