Centos 7 install Docker

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Install Docker

[root@localhost~]# yum install docker

Start docker service

[root@localhost~]# systemctl start docker.service
[root@localhost~]# systemctl enable docker.service

Install Centos images

[root@localhost~]# docker pull centos
Using default tag: latest
Trying to pull repository docker.io/library/centos ...
latest: Pulling from docker.io/library/centos
6bbedd9b76a4: Downloading 2.531 MB/49.87 MB
fc19d60a83f1: Download complete
de413bb911fd: Download complete
2879a7ad3144: Download complete
668604fde02e: Download complete
668604fde02e: Pulling fs layer

Check Centos images setup status

[root@localhost~]# docker images centos
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/centos latest 980e0e4c79ec 7 weeks ago 196.7 MB

Run a command in a new container

[root@localhost~]# docker run -i -t centos /bin/bash
[root@bd1a482d44f5 /]#

help
-i, --interactive Keep STDIN open even if not attached
-t, --tty Allocate a pseudo-TTY
PS：“[root@bd1a482d44f5 /]#” ==> into centos container

Logout container

[root@localhost~]# exit
exit

友情链接

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