docker 安装、升级

docker 安装、升级

服务器版本 Centos 7.9

1. 有外网情况下

docker 升级 镜像下载地址：https://download.docker.com/linux/centos/7/x86_64/stable/Packages/
1.下载docker-ce-XXX
wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-20.10.17-3.el7.x86_64.rpm
2.升级docker
yum -y upgrade ./docker-ce-20.10.17-3.el7.x86_64.rpm
3.安装docker-ce
yum install ./docker-ce-20.10.9-17.el7.x86_64.rpm
4.常见问题：缺少必要的依赖包

# 安装 `yum-utils`包
> sudo yum install -y yum-utils
# 设置存储库
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

5.开机启动docker
systemctl enable 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://da1txbvz.mirror.aliyuncs.com"]
}
EOF
> sudo systemctl daemon-reload
> sudo systemctl restart docker

2. 离线情况下

1.下载必要的包,放到一个文件夹下：

docker-scan-plugin-0.17.0-3.el7.x86_64.rpm
docker-ce-rootless-extras-20.10.17-3.el7.x86_64.rpm
docker-ce-cli-20.10.17-3.el7.x86_64.rpm
docker-ce-20.10.17-3.el7.x86_64.rpm
containerd.io-1.4.10-3.1.el7.x86_64.rpm

2.yum安装docker
yum intall ./*

3.启动docker并设置开机启动
systemctl start docker
systemctl enable docker