使用curl安装镜像源

curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

清理缓存并安装 wget

# 清理旧缓存
yum clean all

# 生成新缓存
yum makecache

# 安装 wget
yum install wget -y

查看wget版本

wget --version

卸载旧版本docker

sudo yum remove docker docker-client docker-common docker-engine -y
sudo rm -rf /var/lib/docker

安装必要依赖库

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

添加阿里云Docker仓库

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

更新仓库元数据

sudo yum clean all
sudo yum makecache fast

安装docker

sudo yum install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

安装bind-utils

sudo yum install -y bind-utils

安装net-tools（包含netstat）

sudo yum install net-tools

重启docker

sudo systemctl restart docker

上述综合

curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

# 清理旧缓存
yum clean all

# 生成新缓存
yum makecache

# 安装 wget
yum install wget -y

wget --version

sudo yum remove docker docker-client docker-common docker-engine -y
sudo rm -rf /var/lib/docker

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

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

sudo yum clean all
sudo yum makecache fast

sudo yum install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

sudo yum install -y bind-utils

sudo yum install net-tools

sudo systemctl restart docker