Red Hat Certification Interview Question:

Suppose You are new System Administrator and from now you are going to handle the system and your
main task is Network monitoring, Backup and Restore. But you dont know the root password.
Change the root password to redhat and login in default Runlevel.

Submitted by: Administrator

When you Boot the System, it starts on default Runlevel specified in /etc/inittab:

Id::initdefault:

When System Successfully boot, it will ask for username and password. But you dont know the

roots password.

1. Restart the System.
2. You will get the boot loader GRUB screen.
3. Press a and type 1 or s for single mode
ro root=LABEL=/ rhgb queit 1
4. System will boot on Single User mode.
5. Use passwd command to change.
6. Set redhat password.
7. Press ctrl+d
Submitted by: Administrator