many changes

Docker/docker.txt

@@ -106,6 +106,11 @@ To list image digest values, use the --digests flag::
     docker push ouruser/sinatra
 
 
+Docker installation
+-------------------
+
+https://docs.docker.com/engine/installation/linux/
+
 
 Docker monitoring
 -----------------

Docker/docker_compose.txt

@@ -4,6 +4,8 @@ Docker-compose
 
 Installation::
 
+    # https://docs.docker.com/compose/install/
+
     # Docker
     sudo apt update
     sudo apt install -y apt-transport-https ca-certificates curl software-properties-common

MacOS/mac_programming.txt

@@ -9,15 +9,44 @@ https://en.wikibooks.org/wiki/AppleScript_Programming/System_Events
 
 Loop (repeat) - http://alvinalexander.com/apple/applescript-for-loop-while-loop-examples
 
+
+Check if static text start with::
+
+    if value of static text 1 of group 2 of group 1 of UI element 1 of scroll area 1 does not start with "Enter the verification code" then
+        error "Expected label does not exist."
+    end if
+
+
+Check multiple elements exists::
+
+    if (static text "bla bla" exists) and (static text "yeah" exists) and (text field 1 exists) then
+        log "true"
+    else
+        log "false"
+    end if
+
+
+Check if button not exists::
+
+    if not exists (button "Verify") then
+        error "Verify buttonl does not exist."
+    end if
+
+
 Get all UI elements::
 
-    set t1 to get every UI element
-    log "---\nGet every UI element\n---"
-    repeat with i in t1
-         log i
-         log "\n"
-    end repeat
-    log "---\nEnd\n---"
+    # my showElements(element, "test")
+    # showElements(element, "test")
+    on showElements(element, id)
+        log "-" & id & "-"
+        tell application "System Events"				
+            set elements to get every UI element of element
+            repeat with el in elements
+                 log el
+            end repeat
+        end tell
+        log "-" & id & "-"
+    end showElements"
 
 
 Show all processes of application::

MacOS/virtual_mac_machine.txt

@@ -5,6 +5,19 @@ Mac OS VM
 
 Important repo https://github.com/kholia/OSX-KVM
 
+Clean up unused VM disk space
+-----------------------------
+
+::
+
+    # on guest with Mac OS
+    cat /dev/zero > zfile; rm zfile
+
+    # shutdown VM
+
+    # on host
+    vmware-vdiskmanager -k </path/to/disk.vmdk>
+
 
 Run Sierra on qemu-kvm
 ----------------------

SWAP.txt

@@ -48,28 +48,39 @@ SWAP in file
 
 
 
-Automated swapfile create
-^^^^^^^^^^^^^^^^^^^^^^^^^
+Automated swapfile creation
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Run as root::
+::
 
-    #!/bin/sh
+    #!/bin/bash
 
-    # Create SWAP file at root with size 4GB
-    dd if=/dev/zero of=/swapfile bs=1M count=4096
-    chmod 600 /swapfile
-    mkswap /swapfile	
+    set -e
+
+    # SWAP file size in MB
+    SWAP_SIZE="1024"
+
+    # SWAP usage tunning
+    VM_SWAPPINESS="30"
+
+    SWAP_PATH="/swapfile"
+
+
+    # Create SWAP file at root
+    sudo dd if=/dev/zero of=$SWAP_PATH bs=1M count=$SWAP_SIZE
+    sudo chmod 600 $SWAP_PATH
+    sudo mkswap $SWAP_PATH
 
     # Disable all SWAP
-    swapoff -a		
+    sudo swapoff -a
 
     # Connect new SWAP file
-    swapon /swapfile	
+    sudo swapon $SWAP_PATH
 
     # Add new SWAP to fstab (auto mount when system start)
-    sudo echo "/swapfile swap swap defaults 0 0" | sudo tee -a /etc/fstab
-    
+    sudo echo "$SWAP_PATH swap swap defaults 0 0" | sudo tee -a /etc/fstab
+
     # Tweak system swap usage value
-    sudo sysctl -w vm.swappiness=30
+    sudo sysctl -w vm.swappiness=$VM_SWAPPINESS
 
 

esxi.txt

@@ -0,0 +1,7 @@
+===========
+VMWARE ESXI
+===========
+
+Storages path **/vmfs/volumes**
+
+

linux_commands.txt

@@ -12,7 +12,7 @@ Empty pagecache, dentries and inodes::
     # run as root
 
     # pagecache
-    free -h && echo && sync && echo  > /proc/sys/vm/drop_caches && free -h 
+    free -h && echo && sync && echo 1 > /proc/sys/vm/drop_caches && free -h 
 
     # (not recomended) pagecache, dentries and inodes
     free -h && echo && sync && echo 3 > /proc/sys/vm/drop_caches && free -h

ovh.com.txt

@@ -0,0 +1,5 @@
+=======
+OVH.COM
+=======
+
+Kernel images by OVH **ftp://ftp.ovh.net/made-in-ovh/bzImage/**

rsyslog.txt

@@ -2,6 +2,9 @@
 rsyslog
 =======
 
+Modern syslog configuration - https://selivan.github.io/2017/02/07/rsyslog-log-forward-save-filename-handle-multi-line-failover.html
+
+
 Rules path::
 
     /etc/rsyslog.d/*.conf	# num-<name>.conf (num < 50-default.conf)
@@ -26,6 +29,27 @@ ON receive logs from UDP ``/etc/rsyslog.conf``::
     sudo service rsyslog restart
 
 
+Configuration
+-------------
+
+File create mode (rights)::
+
+    $umask 0000 
+    *.* /var/log/file-with-0644-default
+
+    $FileCreateMode 0600
+    *.* /var/log/file-with-0600
+
+    $FileCreateMode 0644
+    *.* /var/log/file-with-0644
+
+
+Remote_syslog
+-------------
+
+Read txt files and send logs to syslog remote server - https://github.com/papertrail/remote_syslog2
+
+
 Rotate received logs to files
 -----------------------------
 

ssl.txt

@@ -8,7 +8,7 @@ Show info::
     openssl x509 -noout -issuer -enddate -in root.pem
 
     # show cert expire time
-    openssl x509 -in /etc/letsencrypt/live/elk.swipe-services.com/fullchain.pem -text -noout | grep -A3 Validity
+    openssl x509 -in /etc/letsencrypt/live/example.com/fullchain.pem -text -noout | grep -A3 Validity
 
 
 Validate the certificate even though the protocol used to communicate with server is not based on HTTP. For example::

vmware.txt

@@ -52,7 +52,7 @@ https://pubs.vmware.com/workstation-12/index.jsp#com.vmware.ws.using.doc/GUID-1F
 
 ::
 
-    sh VMware-Workstation-xxxx-xxxxxxx.architecture.bundle --console --custom
+    sh VMware-Workstation-xxxx-xxxxxxx.architecture.bundle --console --custom --eulas-agreed
 
     # deafults:
     # /var/lib/vmware/Shared VMs