ubutun install docker steps

1. The kernel version required by docker

1.1 kernel version required by docker

• Must be a 64-bit operating system
• It is recommended that the kernel be above 3.8

1.2 View the kernel and version of linux

#查看版本
1.cat /etc/issue （简单）
2.cat /etc/lsb-release（具体）

#查看内核
uname -a（内核）

1.3 Query ubutun's apt-get software source

Different software sources will affect the download speed of the software.

#查看源
sudo cat /etc/apt/sources.list
#编辑源
sudo vim /etc/apt/sources.list
#更新源
sudo apt-get update

2.Docker installation

rootLog in as a user, the docker command needs root authority to execute.

#安装docker的依赖
apt-get install apt-transport-https ca-certificates curl software-properties-common
#下载ssl和安装key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
#添加源库
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu xenial stable"
#更新源
apt-get update
#安装docker
apt-get install docker-ce -y
#查看docker版本
docker --version

3.Docker modify the mirror source

#如果没有/etc/docker/daemon.json文件,需要手动添加 touch daemon.json
#修改
vim /etc/docker/daemon.json
{
    
    
"registry-mirrors": ["http://hub-mirror.c.163.com"]
}
#重启docker
service docker restart
#查看docker信息
docker info