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This article focuses on "centos 7 how to install docker services and configure the repository". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "centos 7 how to install docker services and configure the warehouse".

# install dependency packages

Yum install-y yum-utils device-mapper-persistent-data lvm2

# add Docker package source (this source is too slow, it is recommended to use Aliyun)

Yum-config-manager-- add-repo https://download.docker.com/linux/centos/docker-ce.repo # updates the yum package index

# add Docker package source-aliyun

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

Yum makecache fast

# install Docker CE

Yum install docker-ce

# start

Systemctl start docker

# Uninstall

Yum remove docker-ce rm-rf / var/lib/docker

Official installation documentation:

Https://docs.docker.com/engine/installation/linux/docker-ce/centos/#docker-ee-customers

One: configure domestic mirror sources

Vi / etc/docker/daemon.json

{

"registry-mirrors": ["https://registry.docker-cn.com"]"

}

Log in to the warehouse

Docker login harbor.legendshop.cn

Enter user name and password

# Log in successfully after the input is completed, and you can pull the image

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