05-02 docker installation and configuration-CentOS

1. Installation dependencies:

yum install -y yum-utils device-mapper-persistent-data lvm2 iptables-services

2. Add source

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

3. Install docker

yum -y install docker-ce

4. Start docker

# 启动
systemctl start docker
# 设置开机启动 docker
systemctl enable docker

5. Set up mirror accelerator

• Get accelerator information

• Create a daemon.json file

# 进入docker 目录
cd /etc/docker
# 新建 daemon.json 文件
vim daemon.json
# 输入镜像信息
{
    "registry-mirrors": ["https://s2nni63l.mirror.aliyuncs.com"]  # 可以改为自己阿里云的镜像加速器
}
# 重新启动 docker
systemctl restart docker