RHEL Recover root Password: Difference between revisions
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### Immediately following the <tt>'''"quiet"'''</tt> keyword append <tt>'''"rd.break"'''</tt> | ### Immediately following the <tt>'''"quiet"'''</tt> keyword append <tt>'''"rd.break"'''</tt> | ||
# Continue the boot process. | # Continue the boot process. | ||
# | #: Press <tt>'''Ctrl-x'''</tt> to boot. | ||
# The system will boot into emergency mode and the <tt>'''switch_root'''</tt> prompt will appear. | # The system will boot into emergency mode and the <tt>'''switch_root'''</tt> prompt will appear. | ||
# Remount the <tt>'''/sysroot'''</tt> filesystem as <tt>'''rw'''</tt>. | # Remount the <tt>'''/sysroot'''</tt> filesystem as <tt>'''rw'''</tt>. | ||
# | #: <tt>'''# mount -o remount,rw /sysroot'''</tt> | ||
# chroot to the <tt>'''/sysroot'''</tt> filesystem. | # chroot to the <tt>'''/sysroot'''</tt> filesystem. | ||
# | #: <tt>'''# chroot /sysroot'''</tt> | ||
# Create a new password. | # Create a new password. | ||
#: <tt>'''# passwd'''</tt> | #: <tt>'''# passwd'''</tt> | ||
Revision as of 19:13, 2 April 2026
Red Hat Enterprise Linux
- Reboot OS into emergency mode.
- During the GRUB2 countdown, Edit the first line by pressing "e".
- Locate the line that reads "linux".
- Immediately following the "quiet" keyword append "rd.break"
- Locate the line that reads "linux".
- Continue the boot process.
- Press Ctrl-x to boot.
- The system will boot into emergency mode and the switch_root prompt will appear.
- Remount the /sysroot filesystem as rw.
- # mount -o remount,rw /sysroot
- chroot to the /sysroot filesystem.
- # chroot /sysroot
- Create a new password.
- # passwd
- Update the SELinux Security Context.
- touch /.autorelabel
- Exit the /sysroot chroot.
- # exit
- Exit emergency mode.
- # exit