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RHCSA Exam 2024: Questions & Expert Solutions
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RHCSA Exam 2024: Questions & Expert Solutions
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RHCSA Exam 2024: Questions & Expert SolutionsConfigure IP Address, Gateway, and Hostname
- IP: 192.168.0.10
- Gateway: 192.168.0.254
- Hostname: server1.example.com Right Ans - 1. # ip addr show - to view
the current IP
2. # hostnamectl - to view the current hostname
3. # nmtui - to set a new hostname and new IP for the host
4. Select Edit a connection
5. Go to the internet interface (e.g.: eth0)
6. Go to IPv4 CONFIGURATION and change <Automatic> to <Manual>
7. Addresses <Add>
8. type 192.168.0.10
9. Go to Gateway
10. type 192.168.0.254
11. Go all the way down to <Ok>
12. Select <Quit>
13. # nmtui
14. Select Activate a connection
15. Select the internet interface and activate it
16. # ip addr show - to verify the IP change
17. # ip route - to verify the gateway change
18. # nmtui
19. Set system hostname
20. type server1.example.com
21. Click Ok to exit
22. # hostname - to verify hostname change
23. # reboot
Create ext4 file system partition and mount it in a directory
- Your system should have a new 500MiB physical partition mounted
under /mnt/new with a 500MB ext4 filesystem Right Ans - 1. # lsblk
2. choose unused disk
3. # fdisk /dev/diskname
4. n
5. p
6. Enter
7. Enter
, 8. +500M
9. Enter
10. p
11. w
12. # partprobe /dev/diskname
13. # lsblk - to verify partition creation
14. # mkfs.ext4 /dev/newpartitionname
15. # mkdir /mnt/new
16. # mount /dev/newpartitionname /mnt/new
17. # blkid /dev/newpartitionname
18. copy the UUID
19. # vim /etc/fstab
20. UUID=... /mnt/new ext4 defaults 0 0
21. # reboot
Reset root password Right Ans - 1. Before the system starts up, interrupt
the boot process by pressing E
2. Go to the end of the line that starts with 'Linux16'
3. type rd.break
4. Press CTRL+X
5. type mount -o remount,rw /sysroot
6. Enter
7. type chroot /sysroot
8. type passwd root
9. Assign a new password
10. touch /.autorelabel
11. Enter
12. exit twice
13. Allow the system to reboot and then login with the new root password
Configure Permissions
*Copy the file /etc/fstab to /var/tmp so that:*
- the file /var/tmp/fstab is owned by the root user
- the file /var/tmp/fstab belongs to the group root
- the file /var/tmp/fstab should not be executable by anyone
- the user andrew is able to read and write /var/tmp/fstab
- the user susan can neither write nor read
- all other users (current or future) have the ability to read /var/tmp/fstab
Right Ans - 1. # cp /etc/fstab /var/tmp
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