Centos7.9安装docker(国内)

由于不能访问国外网络所以需要修改为阿里云镜像地址

sudo tee /etc/yum.repos.d/CentOS-Base.repo <<EOF
[centos]
name=CentOS-\$releasever - Base
baseurl=http://mirrors.aliyun.com/centos/\$releasever/os/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever

[extras]
name=CentOS-\$releasever - Extras
baseurl=http://mirrors.aliyun.com/centos/\$releasever/extras/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever

[updates]
name=CentOS-\$releasever - Updates
baseurl=http://mirrors.aliyun.com/centos/\$releasever/updates/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever

[epel]
name=Extra Packages for Enterprise Linux \$releasever - \$basearch
baseurl=http://mirrors.aliyun.com/epel/\$releasever/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-\$releasever

EOF

升级依赖包

yum update -y

安装docker需要的软件包

yum install -y yum-utils device-mapper-persistent-data lvm2

设置镜像源

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

开始安装docker

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

启动docker并设置开机自启

systemctl start docker
systemctl enable docker

查看docker信息

docker info

原文地址：https://blog.csdn.net/weixin_43129075/article/details/142896124

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