centos7换yum源 安装docker 换docker源

更换yum源

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum clean all
yum makecache

安装docker
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager –add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install -y docker-ce

查看docker版本
docker -v

换docker镜像源
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-‘EOF’
{
“registry-mirrors”: [“https://docker.1panel.live”]
}
EOF

sudo systemctl daemon-reload
sudo systemctl restart docker