Shulou(Shulou.com)06/03 Report--

I. explanation

Docker requires the kernel version of the CentOS system to be higher than 3.10, so the centos7 operating system is used here.

Second, installation steps

1. Install vim and wget

Yum install-y wget vim

2. Install yum-utils, device-mapper-persistent-data, lvm2

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

3. Add yum source configuration

Yum-config-manager-- add-repo https://download.docker.com/linux/centos/docker-ce.repo

4. Install the latest docker

Yum install docker-ce-y

You can also list the available docker version numbers

Yum list docker-ce-- showduplicates | sort-r

For example, use yum install-y docker-ce-17.3.1 to install the specified version

5. Start docker and set self-boot.

Systemctl start docker

Systemctl enable docker

3. Uninstall docker

Yum remove docke-ce

Rm-rf / var/lib/docker

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