Created
May 23, 2013 12:22
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| ### Create two users and their primary group and home directories | |
| root@panda:~# groupadd awesome-user | |
| root@panda:~# groupadd jenkins | |
| root@panda:~# mkdir /home/jenkins/ | |
| root@panda:~# mkdir /home/awesome-user/ | |
| root@panda:~# chown -R jenkins:jenkins /home/jenkins/ | |
| root@panda:~# chown -R awesome-user:awesome-user /home/awesome-user | |
| root@panda:~# useradd awesome-user -g awesome-user -d /home/awesome-user | |
| root@panda:~# useradd jenkins -g jenkins -d /home/jenkins/ | |
| root@panda:~# passwd awesome-user | |
| Enter new UNIX password: | |
| Retype new UNIX password: | |
| passwd: password updated successfully | |
| root@panda:~# passwd jenkins | |
| Enter new UNIX password: | |
| Retype new UNIX password: | |
| passwd: password updated successfully | |
| ### Create testing files for each user | |
| root@panda:~# su - awesome-user | |
| $ date > test-awesome-user | |
| $ logout | |
| root@panda:~# su - jenkins | |
| $ date > test-jenkins | |
| $ logout | |
| ### Try to modify the other user's file, and get failed | |
| root@panda:~# su - awesome-user | |
| $ pwd | |
| /home/awesome-user | |
| $ id | |
| uid=1001(awesome-user) gid=1001(awesome-user) groups=1001(awesome-user) | |
| $ date >> /home/jenkins/test-jenkins | |
| -su: /home/jenkins/test-jenkins: Permission denied | |
| $ logout | |
| root@panda:~# su - jenkins | |
| $ pwd | |
| /home/jenkins/ | |
| $ id | |
| uid=1002(jenkins) gid=1002(jenkins) groups=1002(jenkins) | |
| $ date >> /home/awesome-user/test-awesome-user | |
| -su: /home/awesome-user/test-awesome-user: Permission denied | |
| $ logout | |
| ### Modify user's group to enable them to modify each other's file | |
| root@panda:~# usermod -a -G jenkins awesome-user | |
| root@panda:~# ls -l /home/jenkins/test-jenkins | |
| -rw-rw-r-- 1 jenkins jenkins 29 May 23 18:20 /home/jenkins/test-jenkins | |
| root@panda:~# su - awesome-user | |
| $ id | |
| uid=1001(awesome-user) gid=1001(awesome-user) groups=1001(awesome-user),1002(jenkins) | |
| $ date >> /home/jenkins/test-jenkins | |
| $ cat /home/jenkins/test-jenkins | |
| Thu May 23 18:20:44 CST 2013 | |
| Thu May 23 18:23:30 CST 2013 | |
| $ date >> /home/jenkins/test-jenkins | |
| $ cat /home/jenkins/test-jenkins | |
| Thu May 23 18:20:44 CST 2013 | |
| Thu May 23 18:23:30 CST 2013 | |
| Thu May 23 18:23:37 CST 2013 | |
| $ logout | |
| root@panda:~# usermod -a -G awesome-user jenkins | |
| root@panda:~# su - jenkins | |
| $ cat /home/awesome-user/test-awesome-user | |
| Thu May 23 18:20:54 CST 2013 | |
| $ date >> /home/awesome-user/test-awesome-user | |
| $ cat /home/awesome-user/test-awesome-user | |
| Thu May 23 18:20:54 CST 2013 | |
| Thu May 23 18:24:29 CST 2013 | |
| $ logout | |
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