Install Docker in a newly installed virtual machine Ubuntu 22.04 LTS

by 永夜 · 2022/11/27

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1. Open: Terminal, one-click installation, execute the command: curl –fssl https://get.docker.com | SH. During the prompt that curl is not found, execute: sudo apt install curl. as shown in Figure 1

打开：Terminal，一键安装，执行命令：curl –fsSL https://get.docker.com | sh。期间提示 curl 未发现，执行：sudo apt install curl

Figure 1

wangqiang@wangqiang-virtual-machine:~$ curl -fssl https://get.docker.com | SH
CommandcurlNot found, but can be installed with:
sudo apt install curl
wangqiang@wangqiang-virtual-machine:~$ sudo apt install curl
[sudo]Password for wangqiang:
Reading a list of packages... Done
Analyzing the dependency tree of the package... Done
Reading status information... complete
The following software will be installed at the same time:
libcurl4
The following [New] packages will be installed:
curl
The following packages will be upgraded:
libcurl4
Upgraded 1 package, 1 new package was installed, 0 packages were to be uninstalled, and 212 packages were not upgraded.
A 484 KB archive is required to be downloaded.
Extra space will consume 458 KB after decompression.
Do you want to continue executing?[Y/n]y
Get: 1 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 libcurl4 amd64 7.81.0-1ubuntu1.3[290 kB]
Get:2 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 curl amd64 7.81.0-1ubuntu1.3[194 kB]
Downloaded 484 KB, 4 seconds (109 KB/s)
(The database is being read ... The system currently has 179838 files and directories installed.)
Ready to decompress.../libcurl4_7.81.0-1ubuntu1.3_amd64.deb ...
decompressing libcurl4:amd64 (7.81.0-1ubuntu1.3) and overwriting (7.81.0-1ubuntu1.1) ...
Unselected package curl is being selected.
Ready to decompress .../curl_7.81.0-1ubuntu1.3_amd64.deb ...
Unzipping curl (7.81.0-1ubuntu1.3) ...
Setting libcurl4:amd64 (7.81.0-1ubuntu1.3) ...
Setting curl (7.81.0-1ubuntu1.3) ...
Processing triggers for MAN-DB (2.10.2-1) ...
Processing triggers for libc-bin (2.35-0ubuntu3) ...
wangqiang@wangqiang-virtual-machine:~$ curl -fssl https://get.docker.com | SH
# Executing Docker install script, commit: b2e29ef7a9a89840d2333637f7d1900a83e7153f
+ sudo -e sh -c apt-get update -qq &gt;/dev/null
+ sudo -e sh -c debian_frontend=noninteractive apt-get install -y -qq apt-transport-https CA-certificates curl &gt;/dev/null
+ sudo -e sh -c mkdir -p /etc/apt/keyrings &amp;&amp; chmod -r 0755 /etc/apt/keyrings
+ sudo -e sh -c curl -fssl "https://download.docker.com/linux/ubuntu/gpg" | gpg --dearmor --yes -o /etc/apt/keyrings/docker.gpg
+ sudo -e sh -c chmod a+r /etc/apt/keyrings/docker.gpg
+ sudo -e sh -c echo "deb[arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg]https://download.docker.com/linux/ubuntu jammy stable" &gt; /etc/apt/sources.list.d/docker.list
+ sudo -e sh -c apt-get update -qq &gt;/dev/null
+ sudo -e sh -c debian_frontend=noninteractive apt-get install -y -qq --no-install-recommends docker-ce docker-ce-cli containerd.io docker-compose-plugin docker-scan-plugin &gt;/dev/null
+ version_gte 20.10
+[ -z  ]
+ return 0
+ sudo -e sh -c debian_frontend=noninteractive apt-get install -y -qq docker-ce-rootless-extras &gt;/dev/null
+ sudo -e sh -c docker version
Client: Docker Engine - Community
version: 20.10.17
API version: 1.41
Go version: go1.17.11
Git commit: 100c701
Built: Mon Jun 6 23:02:46 2022
os/arch: linux/amd64
Context: default
Experimental: true

Server: Docker Engine - Community
Engine:
version: 20.10.17
API version: 1.41 (Minimum version 1.12)
Go version: go1.17.11
git commit: a89b842
Built: Mon Jun 6 23:00:51 2022
os/arch: linux/amd64
Experimental: False
containerd:
version: 1.6.6
gitcommit: 10c12954828e7c7c9b6ea9b0c02b01407d3ae1
runc:
version: 1.1.2
gitcommit: v1.1.2-0-ga916309
docker-init:
version: 0.19.0
gitcommit: de40ad0

==================================== ====================================

To run docker as a non-privileged user, considering up the
Docker daemon in rootless mode for your user:

dockerd-rootless-setuptool.sh install

visit https://docs.docker.com/go/rootless/ to learn about rootless mode.

To run the docker daemon as a fully privileged service, but grow non-root
Users access, refer to https://docs.docker.com/go/daemon-access/

Warning: access to the remote api on a priority
To root access on the host. Refer to theDocker Daemon Attack Surface
Documentation for details: https://docs.docker.com/go/attack-surface/

==================================== ====================================

2. To run Docker as a non-privileged user, consider setting up a Docker daemon with rootless mode for your user to install: dockerd-rootless-setuptool.sh installation. Visit https://docs.docker.com/go/rootless/ for rootless mode. An alternative to root login, if you want to work on the root console, you can also use sudo -i. as shown in Figure 2

要以非特权用户身份运行 Docker，请考虑设置为您的用户提供无根模式的 Docker 守护程序：dockerd-rootless-setuptool.sh 安装。访问 https://docs.docker.com/go/rootless/ 了解无根模式。root 登录的替代方案，如果你想在根控制台上工作，你也可以使用 sudo -i

Figure 2

wangqiang@wangqiang-virtual-machine:~$ sudo-i
[sudo]Password for wangqiang:
root@wangqiang-virtual-machine:~#

3. Execute the command again: curl –fssl https://get.docker.com | sh. Still reporting: warning. as shown in Figure 3

再次执行命令：curl –fsSL https://get.docker.com | sh。仍然报：WARNING

Figure 3

root@wangqiang-virtual-machine:~# curl -fssl https://get.docker.com | SH
# Executing Docker install script, commit: b2e29ef7a9a89840d2333637f7d1900a83e7153f
WARNING: The "Docker" command appears to Already exist on this system.

If you already have docker installed, this script can cause, which is
Why weRe displaying this warning and provide the opportunity to cancel the
Installation.

If you installed the current docker package using this script and are using it
Again to update docker, you can safely ignore this message.

You may press ctrl+c now to abort this script.
+ Sleep 20
+ sh -c apt-get update -qq &gt;/dev/null
+ sh -c debian_frontend=noninteractive apt-get install -y -qq apt-transport-https CA-certificates curl &gt;/dev/null
+ sh -c mkdir -p /etc/apt/keyrings &amp;&amp; chmod -r 0755 /etc/apt/keyrings
+sh -c curl -fssl "https://download.docker.com/linux/ubuntu/gpg" | gpg --dearmor --yes -o /etc/apt/keyrings/docker.gpg
+ sh -c chmod a+r /etc/apt/keyrings/docker.gpg
+ sh -c echo "deb[arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg]https://download.docker.com/linux/ubuntu jammy stable" &gt; /etc/apt/sources.list.d/docker.list
+ sh -c apt-get update -qq &gt;/dev/null
+ sh -c debian_frontend=noninteractive apt-get install -y -qq --no-install-recommends docker-ce docker-ce-cli containerd.io docker-compose-plugin docker-scan-plugin &gt;/dev/null
+ version_gte 20.10
+[ -z  ]
+ return 0
+ sh -c debian_frontend=noninteractive apt-get install -y -qq docker-ce-rootless-extras &gt;/dev/null
+ sh -c docker version
Client: Docker Engine - Community
version: 20.10.17
API version: 1.41
Go version: go1.17.11
Git commit: 100c701
Built: Mon Jun 6 23:02:46 2022
os/arch: linux/amd64
Context: default
Experimental: true

Server: Docker Engine - Community
Engine:
version: 20.10.17
API version: 1.41 (Minimum version 1.12)
Go version: go1.17.11
git commit: a89b842
Built: Mon Jun 6 23:00:51 2022
os/arch: linux/amd64
Experimental: False
containerd:
version: 1.6.6
gitcommit: 10c12954828e7c7c9b6ea9b0c02b01407d3ae1
runc:
version: 1.1.2
gitcommit: v1.1.2-0-ga916309
docker-init:
version: 0.19.0
gitcommit: de40ad0

==================================== ====================================

To run docker as a non-privileged user, considering up the
Docker daemon in rootless mode for your user:

dockerd-rootless-setuptool.sh install

visit https://docs.docker.com/go/rootless/ to learn about rootless mode.

To run the docker daemon as a fully privileged service, but grow non-root
Users access, refer to https://docs.docker.com/go/daemon-access/

Warning: access to the remote api on a priority
To root access on the host. Refer to theDocker Daemon Attack Surface
Documentation for details: https://docs.docker.com/go/attack-surface/

==================================== ====================================

root@wangqiang-virtual-machine:~#

4. To run Docker as a non-privileged user, consider setting up a Docker daemon for rootless mode for your user to install: dockerd-rootless-setuptool.sh installation. Visit https://docs.docker.com/go/rootless/ for rootless mode. Decided to switch to root user login. as shown in Figure 4

要以非特权用户身份运行 Docker，请考虑设置为您的用户提供无根模式的 Docker 守护程序：dockerd-rootless-setuptool.sh 安装。访问 https://docs.docker.com/go/rootless/ 了解无根模式。决定切换至 root 用户登录

Figure 4

root@wangqiang-virtual-machine:~# sudo passwd root
New Password:
Retype New Password:
PassWD: Password updated successfully

5. Unlock the account, execute the command: sudo passwd -u root, success. as shown in Figure 5

Figure 5

root@wangqiang-virtual-machine:~# sudo passwd -u root
Passwd: Password Expiry Information Changed.
root@wangqiang-virtual-machine:~#

6. Enable the enhancement session, log in again as root, the login is successful, open: terminal, the user defaults to: root. as shown in Figure 6

启用增强会话，重新以 root 登录，登录成功，打开：Terminal，用户默认为：root

Figure 6

7. Execute the command: curl –fssl https://get.docker.com | sh, still report: warning. This issue is ignored for the time being. as shown in Figure 7

执行命令：curl –fsSL https://get.docker.com | sh，仍然报：WARNING。暂时忽略此问题

Figure 7

8. Configure to enable the Docker service to start automatically. as shown in Figure 8

root@wangqiang-virtual-machine:~# systemctl enable docker
synchronizing state of docker.service with sysv service script with /lib/systemd/systemd-sysv-install.
executing: /lib/systemd/systemd-sysv-install enable docker
root@wangqiang-virtual-machine:~# systemctl start docker
root@wangqiang-virtual-machine:~#

9. Execute: Docker Info, view relevant information. Confirm that the installation is complete. as shown in Figure 9

Figure 9

root@wangqiang-virtual-machine:~# Docker info
client:
Context: default
Debug mode: False
Plugins:
App: Docker App (Docker Inc., v0.9.1-beta3)
BuildX: Docker BuildX (Docker Inc., v0.8.2-Docker)
Compose: Docker Compose (Docker Inc., V2.6.0)
Scan: Docker Scan (Docker Inc., v0.17.0)

Server:
containers: 0
running: 0
paused: 0
Stopped: 0
images: 0
Server version: 20.10.17
Storage Driver: Overlay2
backing filesystem: extfs
support d_type: true
Native Overlay Diff: False
UserXattr: False
Logging driver: json-file
cgroup driver: systemd
cgroup version: 2
Plugins:
volume: local
NETWORK: Bridge Host ipvlan macvlan null overlay
Logentries splunk syslog
swarm: inactive
runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
default runtime: runc
Init Binary: Docker-Init
Containerd Version: 10C12954828E7C7C9B6E0EA9B0C02B01407D3AE1
runc version: v1.1.2-0-ga916309
init version: de40ad0
Security options:
AppArmor
seccomp
Profile: default
cgroups
Kernel Version: 5.15.0-1012-Azure
Operating System: Ubuntu 22.04 LTS
ostype: linux
Architecture: x86_64
cpus: 2
Total Memory: 4.268gib
Name: wangqiang-virtual-machine
ID: mrxg:6oll:evdb:i5ax:y4uk:gdol:scul:lemv:z6gi:j6ar:j26m:6qpz
docker root dir: /var/lib/docker
Debug mode: False
registry: https://index.docker.io/v1/
Labels:
Experimental: False
Insecure registries:
127.0.0.0/8
Live Restore Enabled: False

Install Docker in a newly installed virtual machine Ubuntu 22.04 LTS

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Install Docker in a newly installed virtual machine Ubuntu 22.04 LTS

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