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敲下 “Hello,world”
(你好,世界),是他们踏进计算机编程语言的开始;编写程序、修复漏洞(bug
),是他们在 1024
世界的 “闯关” 日常。今天是 1024程序员节
,祝大家节日快乐!
DNF
是一款 Linux
软件包管理工具,用于管理 RPM
软件包。DNF
可以查询软件包信息,从指定软件库获取软件包,自动处理依赖关系以安装或卸载软件包,以及更新系统到最新可用版本。
在 openEuler 22.03 LTS
系统中,我们可以使用 DNF
包管理器来安装 Docker CE
(社区版)。
关于《使用DNF管理软件包》,请查看 https://docs.openeuler.org/zh/docs/22.03_LTS/docs/Administration/使用DNF管理软件包.html
Docker
是一种流行的容器化平台,可以帮助开发人员快速构建、打包和发布应用程序。
在开始之前,建议您使用具有 sudo
访问权限的 openEuler 22.03 LTS
服务器。确保您的系统已经更新到最新版本。您还需要具备一个稳定的互联网连接。
说明:关于 openEuler 22.03 LTS 服务器的安装部署这里不再说明,请自行查看相关文档。
在安装之前,请确保您的系统已经更新到最新版本。使用以下命令更新您的系统:
sudo dnf update -y
安装所需的软件包以便使用 Docker CE
存储库:
sudo dnf install -y dnf-plugins-core
此处添加 docker-ce.repo
源:
sudo dnf config-manager --add-repo=https://repo.huaweicloud.com/docker-ce/linux/centos/docker-ce.repo
注意:在修改
docker-ce.repo
原文件之前,为了保险可以执行如下命令先copy
一份留作备份。
cp docker-ce.repo docker-ce.repo.bak
将 docker-ce.repo
中官方地址替换为华为开源镜像,提升下载速度。
sed -i 's+download.docker.com+repo.huaweicloud.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo
说明:
docker-ce.repo
中用$releasever
变量代替当前系统的版本号,该变量在CentOS
中有效,但在openEuler
中无效,所以将该变量直接改为8
。
sed -i 's+$releasever+8+' /etc/yum.repos.d/docker-ce.repo
再次查看 docker-ce.repo
文件,输出信息如下:
[root@jumpServer yum.repos.d]# pwd
/etc/yum.repos.d
[root@jumpServer yum.repos.d]# ls
docker-ce.repo docker-ce.repo.bak openEuler.repo openEuler.repo.bak
[root@jumpServer yum.repos.d]# cat docker-ce.repo
[docker-ce-stable]
name=Docker CE Stable - $basearch
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/$basearch/stable
enabled=1
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-stable-debuginfo]
name=Docker CE Stable - Debuginfo $basearch
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/debug-$basearch/stable
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-stable-source]
name=Docker CE Stable - Sources
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/source/stable
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-test]
name=Docker CE Test - $basearch
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/$basearch/test
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-test-debuginfo]
name=Docker CE Test - Debuginfo $basearch
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/debug-$basearch/test
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-test-source]
name=Docker CE Test - Sources
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/source/test
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-nightly]
name=Docker CE Nightly - $basearch
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/$basearch/nightly
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-nightly-debuginfo]
name=Docker CE Nightly - Debuginfo $basearch
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/debug-$basearch/nightly
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
[docker-ce-nightly-source]
name=Docker CE Nightly - Sources
baseurl=https://repo.huaweicloud.com/docker-ce/linux/centos/8/source/nightly
enabled=0
gpgcheck=1
gpgkey=https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
更新索引缓存:
dnf makecache
现在您可以使用 DNF
包管理器安装 Docker CE
了:
sudo dnf install -y docker-ce docker-ce-cli containerd.io
正常情况输出如下信息:
[root@jumpServer yum.repos.d]# dnf install -y docker-ce docker-ce-cli containerd.io
Last metadata expiration check: 0:00:15 ago on 2023年10月24日 星期二 20时10分04秒.
Dependencies resolved.
====================================================================================================================
Package Architecture Version Repository Size
====================================================================================================================
Installing:
containerd.io x86_64 1.6.24-3.1.el8 docker-ce-stable 34 M
docker-ce x86_64 3:24.0.6-1.el8 docker-ce-stable 24 M
docker-ce-cli x86_64 1:24.0.6-1.el8 docker-ce-stable 7.2 M
Installing dependencies:
docker-ce-rootless-extras x86_64 24.0.6-1.el8 docker-ce-stable 4.9 M
libcgroup x86_64 0.42.2-2.oe2203 update 97 k
tar x86_64 2:1.34-4.oe2203 update 785 k
Installing weak dependencies:
docker-buildx-plugin x86_64 0.11.2-1.el8 docker-ce-stable 13 M
docker-compose-plugin x86_64 2.21.0-1.el8 docker-ce-stable 13 M
Transaction Summary
====================================================================================================================
Install 8 Packages
Total download size: 97 M
Installed size: 370 M
Downloading Packages:
(1/8): docker-buildx-plugin-0.11.2-1.el8.x86_64.rpm 1.8 MB/s | 13 MB 00:07
(2/8): docker-ce-24.0.6-1.el8.x86_64.rpm 2.2 MB/s | 24 MB 00:11
(3/8): docker-ce-cli-24.0.6-1.el8.x86_64.rpm 1.5 MB/s | 7.2 MB 00:04
(4/8): docker-ce-rootless-extras-24.0.6-1.el8.x86_64.rpm 1.7 MB/s | 4.9 MB 00:02
(5/8): containerd.io-1.6.24-3.1.el8.x86_64.rpm 2.3 MB/s | 34 MB 00:14
(6/8): libcgroup-0.42.2-2.oe2203.x86_64.rpm 65 kB/s | 97 kB 00:01
(7/8): docker-compose-plugin-2.21.0-1.el8.x86_64.rpm 3.1 MB/s | 13 MB 00:04
(8/8): tar-1.34-4.oe2203.x86_64.rpm 535 kB/s | 785 kB 00:01
--------------------------------------------------------------------------------------------------------------------
Total 5.8 MB/s | 97 MB 00:16
Docker CE Stable - x86_64 6.8 kB/s | 1.6 kB 00:00
Importing GPG key 0x621E9F35:
Userid : "Docker Release (CE rpm) <docker@docker.com>"
Fingerprint: 060A 61C5 1B55 8A7F 742B 77AA C52F EB6B 621E 9F35
From : https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : docker-compose-plugin-2.21.0-1.el8.x86_64 1/8
Running scriptlet: docker-compose-plugin-2.21.0-1.el8.x86_64 1/8
Running scriptlet: tar-2:1.34-4.oe2203.x86_64 2/8
Installing : tar-2:1.34-4.oe2203.x86_64 2/8
Running scriptlet: tar-2:1.34-4.oe2203.x86_64 2/8
Running scriptlet: libcgroup-0.42.2-2.oe2203.x86_64 3/8
Installing : libcgroup-0.42.2-2.oe2203.x86_64 3/8
Running scriptlet: libcgroup-0.42.2-2.oe2203.x86_64 3/8
Installing : docker-buildx-plugin-0.11.2-1.el8.x86_64 4/8
Running scriptlet: docker-buildx-plugin-0.11.2-1.el8.x86_64 4/8
Installing : docker-ce-cli-1:24.0.6-1.el8.x86_64 5/8
Running scriptlet: docker-ce-cli-1:24.0.6-1.el8.x86_64 5/8
Installing : containerd.io-1.6.24-3.1.el8.x86_64 6/8
Running scriptlet: containerd.io-1.6.24-3.1.el8.x86_64 6/8
Installing : docker-ce-rootless-extras-24.0.6-1.el8.x86_64 7/8
Running scriptlet: docker-ce-rootless-extras-24.0.6-1.el8.x86_64 7/8
Installing : docker-ce-3:24.0.6-1.el8.x86_64 8/8
Running scriptlet: docker-ce-3:24.0.6-1.el8.x86_64 8/8
Verifying : containerd.io-1.6.24-3.1.el8.x86_64 1/8
Verifying : docker-buildx-plugin-0.11.2-1.el8.x86_64 2/8
Verifying : docker-ce-3:24.0.6-1.el8.x86_64 3/8
Verifying : docker-ce-cli-1:24.0.6-1.el8.x86_64 4/8
Verifying : docker-ce-rootless-extras-24.0.6-1.el8.x86_64 5/8
Verifying : docker-compose-plugin-2.21.0-1.el8.x86_64 6/8
Verifying : libcgroup-0.42.2-2.oe2203.x86_64 7/8
Verifying : tar-2:1.34-4.oe2203.x86_64 8/8
Installed:
containerd.io-1.6.24-3.1.el8.x86_64 docker-buildx-plugin-0.11.2-1.el8.x86_64
docker-ce-3:24.0.6-1.el8.x86_64 docker-ce-cli-1:24.0.6-1.el8.x86_64
docker-ce-rootless-extras-24.0.6-1.el8.x86_64 docker-compose-plugin-2.21.0-1.el8.x86_64
libcgroup-0.42.2-2.oe2203.x86_64 tar-2:1.34-4.oe2203.x86_64
Complete!
此处如果出现如下错误信息:
Error:
Problem: package docker-ce-3:24.0.6-1.el8.x86_64 requires docker-ce-rootless-extras, but none of the providers can be installed
- 无法为该任务安装最佳候选
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.0-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.0-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.1-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.1-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.10-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.10-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.11-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.11-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.12-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.12-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.13-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.13-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.14-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.14-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.15-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.15-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.16-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.16-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.17-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.17-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.18-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.18-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.19-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.19-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.2-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.2-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.20-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.20-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.21-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.21-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.22-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.22-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.23-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.23-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.24-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.24-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.3-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.3-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.4-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.4-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.5-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.5-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.6-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.6-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.7-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.7-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.8-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.8-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-20.10.9-3.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-20.10.9-3.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.0-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.0-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.1-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.1-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.2-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.2-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.3-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.3-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.4-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.4-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.5-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.5-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-23.0.6-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-23.0.6-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.0-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.0-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.1-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.1-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.2-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.2-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.3-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.3-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.4-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.4-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.5-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.5-1.el8.x86_64
- nothing provides fuse-overlayfs >= 0.7 needed by docker-ce-rootless-extras-24.0.6-1.el8.x86_64
- nothing provides slirp4netns >= 0.4 needed by docker-ce-rootless-extras-24.0.6-1.el8.x86_64
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
依据上面提示信息,请执行如下命令:
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
# 执行如下命令
dnf install --skip-broken -y docker-ce docker-ce-cli containerd.io
# 或者
dnf install --nobest -y docker-ce docker-ce-cli containerd.io
安装成功输出如下信息:
[root@jumpServer yum.repos.d]# dnf install --skip-broken -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
Last metadata expiration check: 0:18:44 ago on 2023年10月24日 星期二 21时08分02秒.
Dependencies resolved.
==================================================================================================================================
Package Architecture Version Repository Size
==================================================================================================================================
Installing:
containerd.io x86_64 1.6.24-3.1.el8 docker-ce-stable 34 M
docker-ce-cli x86_64 1:24.0.6-1.el8 docker-ce-stable 7.2 M
docker-compose-plugin x86_64 2.21.0-1.el8 docker-ce-stable 13 M
Installing dependencies:
container-selinux noarch 2:2.138-4.oe2203 OS 37 k
Installing weak dependencies:
docker-buildx-plugin x86_64 0.11.2-1.el8 docker-ce-stable 13 M
Transaction Summary
==================================================================================================================================
Install 5 Packages
Total download size: 67 M
Installed size: 260 M
Downloading Packages:
(1/5): docker-ce-cli-24.0.6-1.el8.x86_64.rpm 2.4 MB/s | 7.2 MB 00:03
(2/5): docker-buildx-plugin-0.11.2-1.el8.x86_64.rpm 4.0 MB/s | 13 MB 00:03
(3/5): container-selinux-2.138-4.oe2203.noarch.rpm 135 kB/s | 37 kB 00:00
(4/5): docker-compose-plugin-2.21.0-1.el8.x86_64.rpm 3.4 MB/s | 13 MB 00:03
(5/5): containerd.io-1.6.24-3.1.el8.x86_64.rpm 4.2 MB/s | 34 MB 00:08
----------------------------------------------------------------------------------------------------------------------------------
Total 8.1 MB/s | 67 MB 00:08
Docker CE Stable - x86_64 3.9 kB/s | 1.6 kB 00:00
Importing GPG key 0x621E9F35:
Userid : "Docker Release (CE rpm) <docker@docker.com>"
Fingerprint: 060A 61C5 1B55 8A7F 742B 77AA C52F EB6B 621E 9F35
From : https://repo.huaweicloud.com/docker-ce/linux/centos/gpg
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : docker-compose-plugin-2.21.0-1.el8.x86_64 1/5
Running scriptlet: docker-compose-plugin-2.21.0-1.el8.x86_64 1/5
Installing : container-selinux-2:2.138-4.oe2203.noarch 2/5
Running scriptlet: container-selinux-2:2.138-4.oe2203.noarch 2/5
Installing : docker-buildx-plugin-0.11.2-1.el8.x86_64 3/5
Running scriptlet: docker-buildx-plugin-0.11.2-1.el8.x86_64 3/5
Installing : docker-ce-cli-1:24.0.6-1.el8.x86_64 4/5
Running scriptlet: docker-ce-cli-1:24.0.6-1.el8.x86_64 4/5
Installing : containerd.io-1.6.24-3.1.el8.x86_64 5/5
Running scriptlet: containerd.io-1.6.24-3.1.el8.x86_64 5/5
Verifying : containerd.io-1.6.24-3.1.el8.x86_64 1/5
Verifying : docker-buildx-plugin-0.11.2-1.el8.x86_64 2/5
Verifying : docker-ce-cli-1:24.0.6-1.el8.x86_64 3/5
Verifying : docker-compose-plugin-2.21.0-1.el8.x86_64 4/5
Verifying : container-selinux-2:2.138-4.oe2203.noarch 5/5
Installed:
container-selinux-2:2.138-4.oe2203.noarch containerd.io-1.6.24-3.1.el8.x86_64 docker-buildx-plugin-0.11.2-1.el8.x86_64
docker-ce-cli-1:24.0.6-1.el8.x86_64 docker-compose-plugin-2.21.0-1.el8.x86_64
Skipped:
docker-ce-3:24.0.6-1.el8.x86_64 docker-ce-rootless-extras-20.10.0-3.el8.x86_64
docker-ce-rootless-extras-20.10.1-3.el8.x86_64 docker-ce-rootless-extras-20.10.2-3.el8.x86_64
docker-ce-rootless-extras-20.10.3-3.el8.x86_64 docker-ce-rootless-extras-20.10.4-3.el8.x86_64
docker-ce-rootless-extras-20.10.5-3.el8.x86_64 docker-ce-rootless-extras-20.10.6-3.el8.x86_64
docker-ce-rootless-extras-20.10.7-3.el8.x86_64 docker-ce-rootless-extras-20.10.8-3.el8.x86_64
docker-ce-rootless-extras-20.10.9-3.el8.x86_64 docker-ce-rootless-extras-20.10.10-3.el8.x86_64
docker-ce-rootless-extras-20.10.11-3.el8.x86_64 docker-ce-rootless-extras-20.10.12-3.el8.x86_64
docker-ce-rootless-extras-20.10.13-3.el8.x86_64 docker-ce-rootless-extras-20.10.14-3.el8.x86_64
docker-ce-rootless-extras-20.10.15-3.el8.x86_64 docker-ce-rootless-extras-20.10.16-3.el8.x86_64
docker-ce-rootless-extras-20.10.17-3.el8.x86_64 docker-ce-rootless-extras-20.10.18-3.el8.x86_64
docker-ce-rootless-extras-20.10.19-3.el8.x86_64 docker-ce-rootless-extras-20.10.20-3.el8.x86_64
docker-ce-rootless-extras-20.10.21-3.el8.x86_64 docker-ce-rootless-extras-20.10.22-3.el8.x86_64
docker-ce-rootless-extras-20.10.23-3.el8.x86_64 docker-ce-rootless-extras-20.10.24-3.el8.x86_64
docker-ce-rootless-extras-23.0.0-1.el8.x86_64 docker-ce-rootless-extras-23.0.1-1.el8.x86_64
docker-ce-rootless-extras-23.0.2-1.el8.x86_64 docker-ce-rootless-extras-23.0.3-1.el8.x86_64
docker-ce-rootless-extras-23.0.4-1.el8.x86_64 docker-ce-rootless-extras-23.0.5-1.el8.x86_64
docker-ce-rootless-extras-23.0.6-1.el8.x86_64 docker-ce-rootless-extras-24.0.0-1.el8.x86_64
docker-ce-rootless-extras-24.0.1-1.el8.x86_64 docker-ce-rootless-extras-24.0.2-1.el8.x86_64
docker-ce-rootless-extras-24.0.3-1.el8.x86_64 docker-ce-rootless-extras-24.0.4-1.el8.x86_64
docker-ce-rootless-extras-24.0.5-1.el8.x86_64 docker-ce-rootless-extras-24.0.6-1.el8.x86_64
Complete!
安装完成后,使用以下命令启动 Docker
服务:
sudo systemctl start docker
此时我们可以执行以下命令来检查 Docker
运行状态:
systemctl status docker
输出如下信息,说明 Docker
启动成功。
[root@jumpServer yum.repos.d]# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
Active: active (running) since Tue 2023-10-24 21:34:02 CST; 25s ago
TriggeredBy: ● docker.socket
Docs: https://docs.docker.com
Main PID: 36703 (dockerd)
Tasks: 12
Memory: 53.2M
CGroup: /system.slice/docker.service
└─ 36703 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
10月 24 21:33:57 jumpServer dockerd[36703]: time="2023-10-24T21:33:57.069511140+08:00" level=error msg="Failed to built-in GetDri>
10月 24 21:33:57 jumpServer dockerd[36703]: time="2023-10-24T21:33:57.740293753+08:00" level=warning msg="Your kernel does not su>
10月 24 21:33:57 jumpServer dockerd[36703]: time="2023-10-24T21:33:57.740378255+08:00" level=warning msg="Your kernel does not su>
10月 24 21:33:57 jumpServer dockerd[36703]: time="2023-10-24T21:33:57.740720161+08:00" level=info msg="Loading containers: start."
10月 24 21:34:01 jumpServer dockerd[36703]: time="2023-10-24T21:34:01.031930591+08:00" level=info msg="Default bridge (docker0) i>
10月 24 21:34:01 jumpServer dockerd[36703]: time="2023-10-24T21:34:01.631027992+08:00" level=info msg="Loading containers: done."
10月 24 21:34:01 jumpServer dockerd[36703]: time="2023-10-24T21:34:01.998723535+08:00" level=info msg="Docker daemon" commit=99e3>
10月 24 21:34:01 jumpServer dockerd[36703]: time="2023-10-24T21:34:01.998995040+08:00" level=info msg="Daemon has completed initi>
10月 24 21:34:02 jumpServer dockerd[36703]: time="2023-10-24T21:34:02.499573901+08:00" level=info msg="API listen on /run/docker.>
10月 24 21:34:02 jumpServer systemd[1]: Started Docker Application Container Engine.
要在系统启动时自动启动 Docker
服务,请运行以下命令:
sudo systemctl enable docker
输出如下信息:
[root@jumpServer yum.repos.d]# sudo systemctl enable docker
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service → /usr/lib/systemd/system/docker.service.
至此,您已经在 openEuler 22.03 LTS
系统成功安装并启动了 Docker CE
。
要验证 Docker CE
是否正确安装,可以运行以下命令检查 Docker
版本:
docker version
如果一切正常,输出 Docker CE
的版本信息如下:
[root@jumpServer yum.repos.d]# docker version
Client: Docker Engine - Community
Version: 24.0.6
API version: 1.40 (downgraded from 1.43)
Go version: go1.20.7
Git commit: ed223bc
Built: Mon Sep 4 12:33:07 2023
OS/Arch: linux/amd64
Context: default
Server: Docker Engine - Community
Engine:
Version: 19.03.15
API version: 1.40 (minimum version 1.12)
Go version: go1.13.15
Git commit: 99e3ed8919
Built: Sat Jan 30 03:15:19 2021
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.6.24
GitCommit: 61f9fd88f79f081d64d6fa3bb1a0dc71ec870523
runc:
Version: 1.1.9
GitCommit: v1.1.9-0-gccaecfc
docker-init:
Version: 0.18.0
GitCommit: fec3683
Linux
平台下需要独立安装 docker-compose
,而 windows、mac
平台的docker desktop
在安装时会一起安装上 docker-compose
。
目前 docker compose
稳定版本为 v2.21.0
,以下示例都是基于此版本,很多博友写的教程都是基于用 python
编写的 v1
版本,和最新版本是稍有不同的。
V2
版本 docker compose
是以插件的方式作为 docker
的一部分的,安装 docker compose
,现在官方提供了三种安装方式,分别是快捷安装、存储库安装和二进制文件安装。
此处使用快捷安装,执行如下命令:
dnf install -y docker-compose-plugin
查看 docker compose
版本信息和更多命令用法:
[root@jumpServer yum.repos.d]# docker compose version
Docker Compose version v2.21.0
[root@jumpServer yum.repos.d]# docker compose
Usage: docker compose [OPTIONS] COMMAND
Define and run multi-container applications with Docker.
Options:
--ansi string Control when to print ANSI control characters ("never"|"always"|"auto") (default "auto")
--compatibility Run compose in backward compatibility mode
--dry-run Execute command in dry run mode
--env-file stringArray Specify an alternate environment file.
-f, --file stringArray Compose configuration files
--parallel int Control max parallelism, -1 for unlimited (default -1)
--profile stringArray Specify a profile to enable
--progress string Set type of progress output (auto, tty, plain, quiet) (default "auto")
--project-directory string Specify an alternate working directory
(default: the path of the, first specified, Compose file)
-p, --project-name string Project name
Commands:
build Build or rebuild services
config Parse, resolve and render compose file in canonical format
cp Copy files/folders between a service container and the local filesystem
create Creates containers for a service.
down Stop and remove containers, networks
events Receive real time events from containers.
exec Execute a command in a running container.
images List images used by the created containers
kill Force stop service containers.
logs View output from containers
ls List running compose projects
pause Pause services
port Print the public port for a port binding.
ps List containers
pull Pull service images
push Push service images
restart Restart service containers
rm Removes stopped service containers
run Run a one-off command on a service.
start Start services
stop Stop services
top Display the running processes
unpause Unpause services
up Create and start containers
version Show the Docker Compose version information
wait Block until the first service container stops
Run 'docker compose COMMAND --help' for more information on a command.
相关博文:
- 容器技术 — docker compose,https://blog.csdn.net/weixin_37648525/article/details/125115260
再次查看 docker
信息,执行如下命令:
[root@jumpServer yum.repos.d]# docker info
Client: Docker Engine - Community
Version: 24.0.6
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.11.2
Path: /usr/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v2.21.0
Path: /usr/libexec/docker/cli-plugins/docker-compose
Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 19.03.15
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 61f9fd88f79f081d64d6fa3bb1a0dc71ec870523
runc version: v1.1.9-0-gccaecfc
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 5.10.0-60.18.0.50.oe2203.x86_64
Operating System: openEuler 22.03 LTS
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 1.471GiB
Name: jumpServer
ID: V5Z4:LNBS:WSLD:EEXC:ARZ6:JE2I:SANG:YUB5:FGTO:EUWO:R27N:KOGK
Docker Root Dir: /var/lib/docker
Debug Mode: false
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
通过使用 DNF
包管理器,您可以在 openEuler 22.03 LTS
上轻松安装 Docker CE
。Docker
是一个功能强大的容器化平台,可以帮助您更高效地构建和管理应用程序。
希望本文对您有所帮助。
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