login as root ubuntu

Unlock the root account with sudo passwd -u root. default mikrotik login Edit sudo nano /etc/gdm3/custom conf, and add the following line under [security]: Edit sudo nano /etc/pam d/gdm-password, and comment out the following line by adding a # in front of it, like this: Reboot Select "Not Listed" at the login screen, then type "root" in the username field, and your