If you have DHCP server in your network and headless PC - use any ssh client to connect (check your router logs for new assigned IP):
login: root
password: live
From GUI - just open LXTerminal and type:
sudo su -
Quick Guide:
I can't get to work master commands!
live@kopiemtu:~$ mmis
No command 'mmis' found, did you mean:
Command 'mmls' from package 'sleuthkit' (universe)
mmis: command not found
live@kopiemtu:~$
live@kopiemtu:~$ mm uptime
Use on master only
live@kopiemtu:~$ mm 'nvidia-smi | grep %'
Use on master only
live@kopiemtu:~$
I allready convert to master rig. Web statistic is working, just commands not.
let me show you what is wrong

live@kopiemtu:~$
live@kopiemtu:~$ mm uptime
Use on master only
live@kopiemtu:~$
live@kopiemtu:~$ whoami
livelive@kopiemtu:~$
live@kopiemtu:~$
su -Password:
root@kopiemtu:~# whoami
rootroot@kopiemtu:~# mm uptime
master:
22:34:11 up 16 days, 11:07, 1 user, load average: 0.47, 0.52, 0.47
w12:
22:34:11 up 16 days, 11:05, 0 users, load average: 0.52, 0.42, 0.40
w13:
22:34:12 up 6 days, 1:59, 0 users, load average: 0.47, 0.48, 0.51
w14:
^C
root@kopiemtu:~#
