:: How to reset root password in guest vm
+ Find info for guest disk file
xm list cat /etc/xen/guest_name.conf # you will see like this disk = ["phy:/dev/xen_vol1/vs1001,sda1,w"]
+ mounting disk file and reset the root password
mount -o loop /dev/xen_vol1/vs1001 /mnt chroot /mnt mount -o remount,rw / passwd mount -o remount,ro / exit
+ unmounting the disk
umount /mnt
+ reboot the guest vm
xm reboot guest_name
:: Link
+ Google
+ LinuxTechy