########################################################
# Resetting the root password from the boot loader
########################################################
press any key and chose kernel
press e
rd.break   enforcing=0 (initramfs)
ctrl+x

mount -o remount,rw /sysroot
chroot /sysroot
        passwd root
        touch /.autorelabel   (necessary)
        mount -o remount,ro /
        exit
exit

If not working
press any key and chose kernel
press e
Replace ro crashkernal=auto by
rd.break   enforcing=0 (initramfs)
ctrl+x

mount -o remount,rw /sysroot
chroot /sysroot
        passwd root
        touch /.autorelabel   (necessary)
        mount -o remount,ro /
        exit
exit

Repairing file system issues at boot
error on fstab

press any key and chose kernel
press e
systemctl.unit=emergency.target
ctrl+x

mount | grep / (ro)
mount -o remount,rw /
mount -a
	error
vim /etc/fsrab
systemctl daemon-reload
mount -a
sustemctl reboot

Grub

dimanche 31 octobre 2021
21:50

#vi /etc/default/grub
      "remove rhgb quiet"
   
#grub2-mkconfig -o /boot/grub2/grub.cfg
