RHCSA Rapid Track

Reset your serverX system.

1. Log into the GNOME desktop on serverX as student with a password of student.

2. Open a window with a Bash prompt.

   Select Applications → Utilities → Terminal.

3. Become the root user at the shell prompt.

   [student@serverX ~]$ su -
   Password: redhat

4. Run lab permissions setup which will create a shared group, ateam, with two new users, andy and alice. The password for these accounts is password

   [root@serverX ~]# lab permissions setup

5. Create a directory in /home called ateam-text.

   [root@serverX ~]# mkdir /home/ateam-text

6. Change the group ownership of the ateam-text directory to ateam.

   [root@serverX ~]# chown :ateam /home/ateam-text

7. Ensure the permissions of ateam-text allows group members to create and delete files.

   [root@serverX ~]# chmod g+w /home/ateam-text

8. Ensure the permissions of ateam-text forbids others from accessing its files.

   [root@serverX ~]# chmod 770 /home/ateam-text
   [root@serverX ~]$ ls -ld /home/ateam-text
   drwxrwx---.  2 root ateam 6 Jan 23 12:50 /home/ateam-text

9. Exit the root shell and switch to the user andy with a password of password.

   [root@serverX ~]# exit
   [student@serverX ~]$ su - andy
   Password: password

10. Navigate to the /home/ateam-text folder (remember to open a terminal window first).

    [andy@serverX ~]$ cd /home/ateam-text

11. Create an empty file called andyfile3.

    [andy@serverX ateam-text]$ touch andyfile3

12. Record the default user and group ownership of the new file and its permissions.

    [andy@serverX ateam-text]$ ls -l andyfile3
    -rw-rw-r--.  1 andy andy 0 Jan 23 12:59 andyfile3

13. Change the group ownership of the new file to ateam and record the new ownership and permissions.

    [andy@serverX ateam-text]$ chown :ateam andyfile3
    [andy@serverX ateam-text]$ ls -l andyfile3
    -rw-rw-r--.  1 andy ateam 0 Jan 23 12:59 andyfile3

14. Exit the shell and switch to the user alice with a password of password.

    [andy@serverX ateam-text]$ exit
    [student@serverX ~]$ su - alice
    Password: password

15. Navigate to the /home/ateam-text folder.

    [alice@serverX ~]$ cd /home/ateam-text

16. Determine alice's privileges to access and/or modify andyfile3.

    [alice@serverX ateam-text]$ echo "text" >> andyfile3
    [alice@serverX ateam-text]$ cat andyfile3
    text