su profesor
sudo rsync -avl /home/alumno/ /home/alumno-backup
sudo rsync -avl --delete /home/alumno-backup/ /home/alumno/
sudo rsync -avl --delete-before /home/alumno-backup /home/alumno --ignore-errors
rm ; cp
sudo chown alumno:alumno /home/alumno -R
Stop Printer CUPS detection
sudo systemctl stop cups-browsed
sudo systemctl disable cups-browsed
Disk Serial #
udevadm info --query=all --name=/dev/sda | grep ID_SERIAL
From Windows Command Prompt (Administrator)
bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi