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Update old apt-get command #8135

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41 changes: 23 additions & 18 deletions install/linux/docker-ce/ubuntu.md
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Original file line number Diff line number Diff line change
Expand Up @@ -45,10 +45,10 @@ Older versions of Docker were called `docker`, `docker.io `, or `docker-engine`.
If these are installed, uninstall them:

```bash
$ sudo apt-get remove docker docker-engine docker.io containerd runc
$ sudo apt remove docker docker-engine docker.io containerd runc
```

It's OK if `apt-get` reports that none of these packages are installed.
It's OK if `apt` reports that none of these packages are installed.

The contents of `/var/lib/docker/`, including images, containers, volumes, and
networks, are preserved. The Docker CE package is now called `docker-ce`.
Expand Down Expand Up @@ -94,13 +94,13 @@ from the repository.
1. Update the `apt` package index:

```bash
$ sudo apt-get update
$ sudo apt update
```

2. Install packages to allow `apt` to use a repository over HTTPS:

```bash
$ sudo apt-get install \
$ sudo apt install \
apt-transport-https \
ca-certificates \
curl \
Expand Down Expand Up @@ -204,41 +204,46 @@ from the repository.
1. Update the `apt` package index.

```bash
$ sudo apt-get update
$ sudo apt update
```

2. Install the _latest version_ of Docker CE and containerd, or go to the next step to install a specific version:

```bash
$ sudo apt-get install docker-ce docker-ce-cli containerd.io
$ sudo apt install docker-ce docker-ce-cli containerd.io
```

> Got multiple Docker repositories?
>
> If you have multiple Docker repositories enabled, installing
> or updating without specifying a version in the `apt-get install` or
> `apt-get update` command always installs the highest possible version,
> or updating without specifying a version in the `apt install` or
> `apt update` command always installs the highest possible version,
> which may not be appropriate for your stability needs.

3. To install a _specific version_ of Docker CE, list the available versions in the repo, then select and install:

a. List the versions available in your repo:

```bash
$ apt-cache madison docker-ce

docker-ce | 5:18.09.1~3-0~ubuntu-xenial | {{ download-url-base }} xenial/stable amd64 Packages
docker-ce | 5:18.09.0~3-0~ubuntu-xenial | {{ download-url-base }} xenial/stable amd64 Packages
docker-ce | 18.06.1~ce~3-0~ubuntu | {{ download-url-base }} xenial/stable amd64 Packages
docker-ce | 18.06.0~ce~3-0~ubuntu | {{ download-url-base }} xenial/stable amd64 Packages
$ apt policy docker-ce
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@thaJeztah thaJeztah Feb 7, 2019

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Wondering if we should use apt list -a docker-ce instead;

apt list -a docker-ce
Listing... Done
docker-ce/bionic,now 5:18.09.1~3-0~ubuntu-bionic amd64 [installed]
docker-ce/bionic 5:18.09.0~3-0~ubuntu-bionic amd64
docker-ce/bionic 18.06.1~ce~3-0~ubuntu amd64
docker-ce/bionic 18.06.0~ce~3-0~ubuntu amd64
docker-ce/bionic 18.05.0~ce~3-0~ubuntu amd64
docker-ce/bionic 18.03.1~ce~3-0~ubuntu amd64


docker-ce:
Installed: 5:18.09.1~3-0~ubuntu-bionic
Candidate: 5:18.09.1~3-0~ubuntu-bionic
Version table:
*** 5:18.09.1~3-0~ubuntu-bionic 500
500 https://download.docker.com/linux/ubuntu bionic/stable amd64 Packages
100 /var/lib/dpkg/status
5:18.09.0~3-0~ubuntu-bionic 500
500 https://download.docker.com/linux/ubuntu bionic/stable amd64 Packages
...
```

b. Install a specific version using the version string from the second column,
for example, `5:18.09.1~3-0~ubuntu-xenial`.
for example, `5:18.09.1~3-0~ubuntu-bionic`.

```bash
$ sudo apt-get install docker-ce=<VERSION_STRING> docker-ce-cli=<VERSION_STRING> containerd.io
$ sudo apt install docker-ce=<VERSION_STRING> docker-ce-cli=<VERSION_STRING> containerd.io
```

4. Verify that Docker CE is installed correctly by running the `hello-world`
Expand All @@ -259,7 +264,7 @@ steps.

#### Upgrade Docker CE

To upgrade Docker CE, first run `sudo apt-get update`, then follow the
To upgrade Docker CE, first run `sudo apt update`, then follow the
[installation instructions](#install-docker-ce), choosing the new version you want
to install.

Expand Down Expand Up @@ -315,7 +320,7 @@ To upgrade Docker CE, download the newer package file and repeat the
1. Uninstall the Docker CE package:

```bash
$ sudo apt-get purge docker-ce
$ sudo apt purge docker-ce
```

2. Images, containers, volumes, or customized configuration files on your host
Expand Down