卸载旧版本

sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine

更新yum

使用yum安装

安装依赖包

sudo yum install -y yum-utils

添加yum软件源

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

sudo sed -i 's/download.docker.com/mirrors.aliyun.com\/docker-ce/g' /etc/yum.repos.d/docker-ce.repo

安装Docker

更新yum软件源缓存，并安装docker-ce

sudo yum install docker-ce docker-ce-cli containerd.io

启动docker

sudo systemctl enable docker && sudo systemctl start docker

Docker镜像加速

# 创建目录

sudo mkdir -p /etc/docker

# 写入配置文件

sudo tee /etc/docker/daemon.conf<<-'EOF'
{
"registry-mirrors": [
"https://mirror.ccs.tencentyun.com",
"https://docker.unsee.tech",
"https://dockerpull.org",
"docker.1panel.live",
"https://dockerhub.icu"
]
}
EOF

# 重启docker服务

sudo systemctl daemon-reload && sudo systemctl restart docker

检查是否生效

ping -c 3 docker.unsee.tech