ubuntu, centos를 container로 실행하기

작업하는 PC나 VM에서 ubuntu나 centos를 container로 실행하는 방법입니다.

centos

2020-06-02현재 centos8까지 나와 있습니다.

최신 버전

아래와 같이 실행하면 됩니다.  
> docker run -it centos sh
sh-4.4# exit
exit

container를 종료하면 아래 명령으로 중단된 container를 보고 다시 실행할 수 있습니다. 

❯ docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                     PORTS               NAMES
d02a9cbdfa50        centos              "sh"                9 seconds ago       Exited (0) 6 seconds ago                       agitated_gates
b97449acab2d        centos7             "sh"                About an hour ago   Up About an hour                               nervous_wu

~
❯ docker start d0
d0

~
❯ docker exec -it d0 sh
sh-4.4# exit
exit

centos7

❯ docker search centos
NAME                               DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
centos                             The official build of CentOS.                   6029                [OK]
ansible/centos7-ansible            Ansible on Centos7                              129                                     [OK]

❯ docker pull ansible/centos7-ansible

❯ docker tag ansible/centos7-ansible centos7
❯ docker run -it centos7 sh
sh-4.2# ls
CHANGELOG.md          COPYING            Makefile      ROADMAP.rst            bin      docs-api  hacking      setup.py     ticket_stubs
CODING_GUIDELINES.md  MANIFEST.in        README.md      VERSION            contrib  docsite   lib      shippable.yml  tox.ini
CONTRIBUTING.md       MODULE_GUIDELINES.md  RELEASES.txt  ansible-core-sitemap.xml  docs     examples  packaging  test
sh-4.2# exit
exit

~
❯ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

~
❯ docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                     PORTS               NAMES
4a50adcba0e8        centos7             "sh"                9 seconds ago       Exited (0) 4 seconds ago                       musing_montalcini

~
❯ docker start 4a
4a

~
❯ docker exec -it 4a sh
sh-4.2#

---

ubuntu

❯ docker run -it ubuntu sh
# ls
bin  boot  dev    etc  home  lib    lib32  lib64  libx32  media  mnt  opt  proc  root  run    sbin  srv  sys    tmp  usr  var
# exit

~
❯ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS              PORTS               NAMES
4a50adcba0e8        centos7             "sh"                About a minute ago   Up About a minute                       musing_montalcini

~
❯ docker exec -it 4a sh
sh-4.2# pwd
/opt/ansible/ansible
sh-4.2# cd && pwd
/root