在线安装
- 安装需要的软件包, yum-util 提供yum-config-manager功能,另外两个是devicemapper驱动依赖的
$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2
- 设置yum源
$ sudo yum-config-manager --add-repo [https://download.docker.com/linux/centos/docker-ce.repo](https://download.docker.com/linux/centos/docker-ce.repo)
- 安装docker,版本号自选
sudo yum -y install docker-ce-20.10.12-3.el7
- 开机启动
sudo systemctl enable docker
- 启动
sudo systemctl start docker
- 查看版本
docker version
- docker换源
vim /etc/docker/daemon.json
内容如下:
{
“registry-mirrors”: [
“http://hub-mirror.c.163.com”,
“https://docker.mirrors.ustc.edu.cn”
],
“log-driver”:”json-file”,
“log-opts”: {“max-size”:”300m”, “max-file”:”1”}
}systemctl daemon-reload
systemctl restart docker