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This article mainly explains "the installation steps of docker under centos7". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "the installation steps of docker under centos7".

1. Install gcc related

Yum-y install gcc

Yum-y install gcc-c++

2. Uninstall the old version

Yum-y remove docker docker-common docker-selinux docker-engine

3. Install related software packages

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

4. Set up stable image repository

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

5. Update the yum package index

Yum makecache fast

6. Install docker ce

Yum-y install docker-ce

7, start docker

Systemctl start docker

8, test

Docker version

9. Configure image acceleration

① mkdir-p / etc/docker

② vim / etc/docker/daemon.json

# Aliyun

{

"registry-mirrors": ["https:// {own Ali code} .mirror.aliyuncs.com"]

}

③ systemctl daemon-reload

④ systemctl restart docker

10, uninstall docker

Systemctl stop docker

Yum-y remove docker-ce

Rm-rf / var/lib/docker

At this point, I believe you have a deeper understanding of the "installation steps of docker under centos7". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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