Docker - 在Rocky Linux 9.4 上安裝Docker-CE

安裝Docker-CE

修改repo源

修改為國內(nèi)阿里源以提高安裝速度

sed -e 's|^mirrorlist=|#mirrorlist=|g' \
    -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.aliyun.com/rockylinux|g' \
    -i.bak \
    /etc/yum.repos.d/rocky*.repo

設(shè)置存儲(chǔ)庫

dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

安裝

安裝docker-ce時(shí)會(huì)同步安裝containerd.io、docker-ce-cli、docker-buildx-plugin、docker-ce-rootless-extras和docker-compose-plugin。

dnf install -y docker-ce

此命令還會(huì)創(chuàng)建一個(gè) docker組，但默認(rèn)情況下不會(huì)向該組添加任何用戶。

允許非root用戶運(yùn)行

Docker 守護(hù)程序綁定到 Unix 套接字，而不是 TCP 端口。
默認(rèn)情況下，用戶 root擁有 Unix 套接字，Docker守護(hù)程序始終以root用戶身份運(yùn)行，其他用戶只能使用sudo訪問。
如果不想docker在命令前加上sudo，可以創(chuàng)建一個(gè)名為docker的Unix組并向其中添加普通用戶。

usermod -aG docker anliven
newgrp docker

設(shè)置自啟動(dòng)并啟動(dòng)

systemctl --now enable docker

驗(yàn)證安裝

下載運(yùn)行hello-world映像，容器運(yùn)行時(shí)會(huì)打印一條確認(rèn)消息并退出。

docker run hello-world

安裝過程示例

[root@node200 ~]# uname -a
Linux node200 5.14.0-427.33.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Aug 28 17:34:59 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
[root@node200 ~]# 
[root@node200 ~]# cat /etc/system-release
Rocky Linux release 9.4 (Blue Onyx)
[root@node200 ~]# 
[root@node200 ~]# dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
[root@node200 ~]# 
[root@node200 ~]# dnf install -y docker-ce
Rocky Linux 9 - BaseOS                                                                                       1.8 MB/s | 2.3 MB     00:01    
Rocky Linux 9 - AppStream                                                                                    4.4 MB/s | 8.0 MB     00:01    
Rocky Linux 9 - Extras                                                                                        20 kB/s |  15 kB     00:00    
Dependencies resolved.
=============================================================================================================================================
 Package                                    Architecture            Version                          Repository                         Size
=============================================================================================================================================
Installing:
 docker-ce                                  x86_64                  3:27.2.0-1.el9                   docker-ce-stable                   27 M
Installing dependencies:
 containerd.io                              x86_64                  1.7.21-3.1.el9                   docker-ce-stable                   43 M
 docker-ce-cli                              x86_64                  1:27.2.0-1.el9                   docker-ce-stable                  7.9 M
Installing weak dependencies:
 docker-buildx-plugin                       x86_64                  0.16.2-1.el9                     docker-ce-stable                   14 M
 docker-ce-rootless-extras                  x86_64                  27.2.0-1.el9                     docker-ce-stable                  4.0 M
 docker-compose-plugin                      x86_64                  2.29.2-1.el9                     docker-ce-stable                   13 M

Transaction Summary
=============================================================================================================================================
Install  6 Packages
......
......
......
Installed:
  containerd.io-1.7.21-3.1.el9.x86_64      docker-buildx-plugin-0.16.2-1.el9.x86_64           docker-ce-3:27.2.0-1.el9.x86_64               
  docker-ce-cli-1:27.2.0-1.el9.x86_64      docker-ce-rootless-extras-27.2.0-1.el9.x86_64      docker-compose-plugin-2.29.2-1.el9.x86_64     

Complete!
[root@node200 ~]#
[root@node200 ~]# usermod -aG docker anliven
[root@node200 ~]# newgrp docker
[root@node200 ~]#
[root@node200 ~]# systemctl --now enable docker
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service → /usr/lib/systemd/system/docker.service.
[root@node200 ~]#
[root@node200 ~]# docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
c1ec31eb5944: Pull complete 
Digest: sha256:53cc4d415d839c98be39331c948609b659ed725170ad2ca8eb36951288f81b75
Status: Downloaded newer image for hello-world:latest

Hello from Docker!
This message shows that your installation appears to be working correctly.

To generate this message, Docker took the following steps:
 1. The Docker client contacted the Docker daemon.
 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
    (amd64)
 3. The Docker daemon created a new container from that image which runs the
    executable that produces the output you are currently reading.
 4. The Docker daemon streamed that output to the Docker client, which sent it
    to your terminal.

To try something more ambitious, you can run an Ubuntu container with:
 $ docker run -it ubuntu bash

Share images, automate workflows, and more with a free Docker ID:
 https://hub.docker.com/

For more examples and ideas, visit:
 https://docs.docker.com/get-started/

[root@node200 ~]#   
[root@node200 ~]# docker version
Client: Docker Engine - Community
 Version:           27.2.0
 API version:       1.47
 Go version:        go1.21.13
 Git commit:        3ab4256
 Built:             Tue Aug 27 14:17:06 2024
 OS/Arch:           linux/amd64
 Context:           default

Server: Docker Engine - Community
 Engine:
  Version:          27.2.0
  API version:      1.47 (minimum version 1.24)
  Go version:       go1.21.13
  Git commit:       3ab5c7d
  Built:            Tue Aug 27 14:15:14 2024
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.7.21
  GitCommit:        472731909fa34bd7bc9c087e4c27943f9835f111
 runc:
  Version:          1.1.13
  GitCommit:        v1.1.13-0-g58aa920
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0
[root@node200 ~]#
[root@node200 ~]# docker info
Client: Docker Engine - Community
 Version:    27.2.0
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.16.2
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
    Version:  v2.29.2
    Path:     /usr/libexec/docker/cli-plugins/docker-compose

Server:
 Containers: 1
  Running: 0
  Paused: 0
  Stopped: 1
 Images: 1
 Server Version: 27.2.0
 Storage Driver: overlay2
  Backing Filesystem: xfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: systemd
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 472731909fa34bd7bc9c087e4c27943f9835f111
 runc version: v1.1.13-0-g58aa920
 init version: de40ad0
 Security Options:
  seccomp
   Profile: builtin
  cgroupns
 Kernel Version: 5.14.0-427.33.1.el9_4.x86_64
 Operating System: Rocky Linux 9.4 (Blue Onyx)
 OSType: linux
 Architecture: x86_64
 CPUs: 2
 Total Memory: 7.506GiB
 Name: node200
 ID: 0ba20da2-13b0-4424-a09e-5fba22a975c3
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false
[root@node200 ~]#
[root@node200 ~]# docker compose version
Docker Compose version v2.29.2
[root@node200 ~]#   
[root@node200 ~]# docker images
REPOSITORY    TAG       IMAGE ID       CREATED         SIZE
hello-world   latest    d2c94e258dcb   16 months ago   13.3kB
[root@node200 ~]# 
[root@node200 ~]# docker ps -a
CONTAINER ID   IMAGE         COMMAND    CREATED              STATUS                          PORTS     NAMES
8c9ba6bc04b1   hello-world   "/hello"   About a minute ago   Exited (0) About a minute ago             unruffled_driscoll
[root@node200 ~]#

配置daemon.json

daemon.json是Docker守護(hù)進(jìn)程配置文件
配置 Docker 下載加速器地址
根據(jù)需要配置相關(guān)參數(shù)

cat > /etc/docker/daemon.json << EOF
{
  "registry-mirrors": ["https://dockerpull.com"]
}
EOF
systemctl daemon-reload

參考信息

https://www.rockylinux.cn/notes/zai-rocky-linux-9-1-shang-an-zhuang-docker-ce.html
https://docs.rockylinux.org/gemstones/containers/docker/
https://docs.docker.com/engine/install/centos/

posted @ 2024-09-05 22:51 Anliven 閱讀(1771) 評(píng)論(0) 收藏舉報(bào)

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