How to uninstall docker on centos

First search for the installed docker installation package

[root@localhost ~]# yum list installed|grep docker

or use the following command

[root@localhost ~]# rpm -qa|grep docker 
docker.x86_64 2:1.12.6-16.el7.centos @extras 
docker-client.x86_64 2:1.12.6-16.el7.centos @extras 
docker-common.x86_64 2:1.12.6-16.el7.centos @extra

and then delete the installation package respectively

[root@localhost ~]#yum –y remove docker.x86_64 
[root@localhost ~]#yum –y remove docker-client.x86_64 
[root@localhost ~]#yum –y remove docker-common.x86_64

Then delete the docker image

[root@localhost ~]# rm -rf /var/lib/docker

Then check docker again to see if it has been successfully uninstalled.

[root@localhost ~]# rm -rf /var/lib/docker 
[root@localhost ~]#

If it is not found, it means that it has been successfully uninstalled.

Recommended tutorial: centos tutorial

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