docker 安装

新建文件 touch docker_install.sh

vi docker_install.sh 编辑文件

============================

#!/bin/bash

COLOR="echo -e \\033[1;31m"
END="\033[m"
VERSION="19.03.5-3.el7"

wget -P /etc/yum.repos.d/ https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo  || { ${COLOR}"互联网连接失败，请检查网络配置!"${END};exit; }

yum clean all
yum -y install docker-ce-$VERSION docker-ce-cli-$VERSION || { ${COLOR}"Base,Extras的yum源失败,请检查yum源配置"${END};exit; }
mkdir -p /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
 "registry-mirrors": ["https://7phikgwg.mirror.aliyuncs.com"]
 }
EOF

systemctl enable --now docker
docker version && ${COLOR}"Docker安装成功"${END} || ${COLOR}"Docker安装失败"${END}

====================运行文件

bash docker_install.sh

=================卸载

yum remove docker-ce -y

rm -rf /var/lib/docker