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Centos8安装Docker1、安装准备2、安装3、设置开机启动Docker4、卸载Docker

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我是靠谱客的博主 背后自行车，这篇文章主要介绍Centos8安装Docker1、安装准备2、安装3、设置开机启动Docker4、卸载Docker，现在分享给大家，希望可以做个参考。

1、安装准备

如果有安装过docker，先卸载旧版本，命令如下：

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sudo yum remove docker 
docker-client 
docker-client-latest 
docker-common 
docker-latest 
docker-latest-logrotate 
docker-logrotate 
docker-engine

2、安装

这里使用Docker仓库的方式安装

2.1、设置仓库

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）

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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

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sudo yum-config-manager 
--add-repo 
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

清华大学

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sudo yum-config-manager 
--add-repo 
https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo

2.2 安装Docker Engine

安装最新版本的Docker Engine和 containerd

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sudo yum install docker-ce docker-ce-cli containerd.io

如果出现以下错误：

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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

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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

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dnf remove podman

再执行安装命令，发现还报如下错误：

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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：

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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

2.3、查看Docker其他版本

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。

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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。

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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

2.4、启动Docker

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sudo systemctl start docker

2.5、测试Docker安装情况

通过运行hello-world镜像验证Docker Engine是否安装成功

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sudo docker run hello-world

看到如下信息，则代表Docker已经安装成功。

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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。

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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。

3、设置开机启动Docker

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sudo systemctl enable docker.service
sudo systemctl enable containerd.service

禁用开机启动将enable改为disabled。

4、卸载Docker

删除安装包

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sudo yum remove docker-ce docker-ce-cli containerd.io

删除镜像容器、配置文件等内容

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sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd

最后

以上就是背后自行车最近收集整理的关于Centos8安装Docker1、安装准备2、安装3、设置开机启动Docker4、卸载Docker的全部内容，更多相关Centos8安装Docker1、安装准备2、安装3、设置开机启动Docker4、卸载Docker内容请搜索靠谱客的其他文章。

本图文内容来源于网友提供，作为学习参考使用，或来自网络收集整理，版权属于原作者所有。
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