如果有安装过docker,先卸载旧版本,命令如下:
sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine
这里使用Docker仓库的方式安装
安装yum-utils
包(提供yum-config-manager
)并设置docker
仓库,并且 device mapper 存储驱动程序需要 device-mapper-persistent-data 和 lvm2
使用官方仓库地址(比较慢)
sudo yum install -y yum-utils \ device-mapper-persistent-data \ lvm2 sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo
可以选择国内的一些仓库地址
阿里云
sudo yum-config-manager \ --add-repo \ http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
清华大学
sudo yum-config-manager \ --add-repo \ https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo
安装最新版本的Docker Engine和 containerd
sudo yum install docker-ce docker-ce-cli containerd.io
如果出现以下错误:
Error: Problem 1: problem with installed package podman-1.4.2-5.module_el8.1.0+237+63e26edc.x86_64 - package podman-1.4.2-5.module_el8.1.0+237+63e26edc.x86_64 requires runc, but none of the providers can be installed - package podman-3.0.1-6.module_el8.4.0+781+acf4c33b.x86_64 requires runc >= 1.0.0-57, but none of the providers can be installed - package podman-3.0.1-7.module_el8.4.0+830+8027e1c4.x86_64 requires runc >= 1.0.0-57, but none of the providers can be installed - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - cannot install the best candidate for the job - package runc-1.0.0-56.rc5.dev.git2abd837.module_el8.3.0+569+1bada2e4.x86_64 is filtered out by modular filtering - package runc-1.0.0-64.rc10.module_el8.4.0+522+66908d0c.x86_64 is filtered out by modular filtering - package runc-1.0.0-65.rc10.module_el8.4.0+819+4afbd1d6.x86_64 is filtered out by modular filtering - package runc-1.0.0-70.rc92.module_el8.4.0+786+4668b267.x86_64 is filtered out by modular filtering - package runc-1.0.0-71.rc92.module_el8.4.0+833+9763146c.x86_64 is filtered out by modular filtering Problem 2: problem with installed package cockpit-podman-4-1.module_el8.1.0+237+63e26edc.noarch - package cockpit-podman-4-1.module_el8.1.0+237+63e26edc.noarch requires podman >= 1.2.0, but none of the providers can be installed - package cockpit-podman-29-2.module_el8.4.0+781+acf4c33b.noarch requires podman >= 1.3.0, but none of the providers can be installed - package podman-3.0.1-6.module_el8.4.0+781+acf4c33b.x86_64 requires runc >= 1.0.0-57, but none of the providers can be installed - package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package docker-ce-3:20.10.7-3.el8.x86_64 requires containerd.io >= 1.4.1, but none of the providers can be installed - package containerd.io-1.4.3-3.2.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.3-3.2.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.3-3.2.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.3-3.2.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.3-3.2.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.3-3.2.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.4-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.4-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.6-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.6-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - cannot install the best candidate for the job - package runc-1.0.0-64.rc10.module_el8.4.0+522+66908d0c.x86_64 is filtered out by modular filtering - package runc-1.0.0-65.rc10.module_el8.4.0+819+4afbd1d6.x86_64 is filtered out by modular filtering - package runc-1.0.0-70.rc92.module_el8.4.0+786+4668b267.x86_64 is filtered out by modular filtering - package runc-1.0.0-71.rc92.module_el8.4.0+833+9763146c.x86_64 is filtered out by modular filtering - package containerd.io-1.4.4-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.4-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.4-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.4-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.6-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.6-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.6-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.6-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package podman-3.0.1-7.module_el8.4.0+830+8027e1c4.x86_64 requires runc >= 1.0.0-57, but none of the providers can be installed - package podman-1.4.2-5.module_el8.1.0+237+63e26edc.x86_64 requires runc, but none of the providers can be installed - package runc-1.0.0-56.rc5.dev.git2abd837.module_el8.3.0+569+1bada2e4.x86_64 is filtered out by modular filtering - package podman-1.6.4-26.module_el8.4.0+793+f0dfa22d.x86_64 is filtered out by modular filtering - package podman-3.0.1-6.module_el8.4.0+786+4668b267.x86_64 is filtered out by modular filtering
查看是否安装了Podman
rpm -q podman 结果: --podman-1.4.2-5.module_el8.1.0+237+63e26edc.x86_64
已经安装了podman
,删除Podman
dnf remove podman
再执行安装命令,发现还报如下错误:
Error: Problem: problem with installed package buildah-1.9.0-5.module_el8.1.0+237+63e26edc.x86_64 - package buildah-1.9.0-5.module_el8.1.0+237+63e26edc.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed - package buildah-1.19.7-1.module_el8.4.0+781+acf4c33b.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed - package buildah-1.19.7-2.module_el8.4.0+830+8027e1c4.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.4.0+673+eabfc99d.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - package containerd.io-1.4.8-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-73.rc93.module_el8.4.0+830+8027e1c4.x86_64 - cannot install the best candidate for the job - package runc-1.0.0-56.rc5.dev.git2abd837.module_el8.3.0+569+1bada2e4.x86_64 is filtered out by modular filtering - package runc-1.0.0-64.rc10.module_el8.4.0+522+66908d0c.x86_64 is filtered out by modular filtering - package runc-1.0.0-65.rc10.module_el8.4.0+819+4afbd1d6.x86_64 is filtered out by modular filtering - package runc-1.0.0-70.rc92.module_el8.4.0+786+4668b267.x86_64 is filtered out by modular filtering - package runc-1.0.0-71.rc92.module_el8.4.0+833+9763146c.x86_64 is filtered out by modular filtering
同样使用上面检查podman
的方式处理,然后再执行安装命令,就可以了,然后跟着提示操作就行。
安装成功最后会提示如下:
Installed: container-selinux-2:2.162.0-1.module_el8.4.0+830+8027e1c4.noarch containerd.io-1.4.8-3.1.el8.x86_64 docker-ce-3:20.10.7-3.el8.x86_64 docker-ce-cli-1:20.10.7-3.el8.x86_64 docker-ce-rootless-extras-20.10.7-3.el8.x86_64 docker-scan-plugin-0.8.0-3.el8.x86_64 fuse-common-3.2.1-12.el8.x86_64 fuse-overlayfs-1.4.0-3.module_el8.4.0+830+8027e1c4.x86_64 fuse3-3.2.1-12.el8.x86_64 fuse3-libs-3.2.1-12.el8.x86_64 libcgroup-0.41-19.el8.x86_64 libslirp-4.3.1-1.module_el8.4.0+575+63b40ad7.x86_64 slirp4netns-1.1.8-1.module_el8.4.0+641+6116a774.x86_64
如果不想安装最新的版本,可以使用如下命令,查看其他版本。
yum list docker-ce --showduplicates | sort -r Installed Packages docker-ce.x86_64 3:20.10.7-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.7-3.el8 @docker-ce-stable docker-ce.x86_64 3:20.10.6-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.5-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.4-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.3-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.2-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.1-3.el8 docker-ce-stable docker-ce.x86_64 3:20.10.0-3.el8 docker-ce-stable docker-ce.x86_64 3:19.03.15-3.el8 docker-ce-stable docker-ce.x86_64 3:19.03.14-3.el8 docker-ce-stable docker-ce.x86_64 3:19.03.13-3.el8 docker-ce-stable
通过其完整的软件包名称安装特定版本,该软件包名称是软件包名称(docker-ce)加上版本字符串(第二列),从第一个冒号(:)一直到第一个连字符,并用连字符(-)分隔。例如:docker-ce-19.03.13。
sudo yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io 例如: sudo yum install docker-ce-19.03.13 docker-ce-cli-19.03.13 containerd.io
sudo systemctl start docker
通过运行hello-world
镜像验证Docker Engine
是否安装成功
sudo docker run hello-world
看到如下信息,则代表Docker
已经安装成功。
Unable to find image 'hello-world:latest' locally latest: Pulling from library/hello-world b8dfde127a29: Pull complete Digest: sha256:df5f5184104426b65967e016ff2ac0bfcd44ad7899ca3bbcf8e44e4461491a9e 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/
从以上信息可以看出,Docker
先在本地查看是否有hello-world
镜像,如果没有就到远程仓库获取,可以运行如下命令,查看镜像。
docker images 结果: REPOSITORY TAG IMAGE ID CREATED SIZE hello-world latest d1165f221234 4 months ago 13.3kB
可以看出,已经从远程仓库拉取到hello-world
镜像到本地了。
sudo systemctl enable docker.service sudo systemctl enable containerd.service
禁用开机启动将enable
改为disabled
。
删除安装包
sudo yum remove docker-ce docker-ce-cli containerd.io
删除镜像容器、配置文件等内容
sudo rm -rf /var/lib/docker sudo rm -rf /var/lib/containerd