1.卸载旧版本
$ sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
2.首先需要大家虚拟机联网,安装yum工具
$ sudo yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
3.更新本地镜像源
# 设置docker镜像源
yum-config-manager \
--add-repo \
https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sed -i 's/download.docker.com/mirrors.aliyun.com\/docker-ce/g' /etc/yum.repos.d/docker-ce.repo
yum makecache fast
4.docker-ce为社区免费版本。稍等片刻,docker即可安装成功
yum install -y docker-ce
5.重启docker
systemctl restart docker
6.配置阿里云镜像加速
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://kh4ty32f.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker