How to install docker under linux

1. Installation environment

This is installed on Centos7. You can use the following command to view the CentOS version

lsb_release -a

Installing docker on CentOS 7 requires the system to be 64-bit and the system kernel version to be 3.10 or above. You can use the following command to view

uname -r

(Recommended video tutorial: linux Video tutorial)

2. Use yum source to install

2.1 Check whether the docker list has been installed

yum list installed | grep docker

2.2 Install docker

yum -y install docker

-y means not to ask for installation until the installation is successful. After the installation is completed, check the installation list again.

2.3 Start docker

systemctl start docker

2.4 Check the docker service status

systemctl status docker

The above instructions docker installation success.

Recommended tutorial: linux tutorial

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