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

This article mainly introduces the command to install and uninstall docker in Linux CentOS7, which has certain reference value and can be used for reference by friends who need it. The following information is about the command to operate docker.

1. Before installing docker, first use the yum-y remove docker command to remove the old version of docker that already exists on the system

Yum-y remove docker

It is shown here that the system does not have docker installed.

2. Install yum-utils Management yum Source

(1) install yum-utils

Yum install-y yum-utils

(2) add yum source

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

3. Establish metadata cache

Yum makecache fast

4. Install the latest version of docker

Yum-y install docker-ce

You can also use the command yum list docker-ce.x86_64-- showduplicates | sort-r to list the available docker versions

Use yum-y install docker-ce-version to install a specified version of docker

5. Start docker

Systemctl start docker

6. Verify that docker is installed successfully

Docker run hello-world

7. View docker version information

Docker version

8. Uninstall docker

As shown in the first step, use the command yum-y remove docker-ce command to remove the new version of docker

On the Linux CentOS7 operation of docker commands to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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