On my LAN there are multiple DHCP servers running, and all of them are on the same range.
Now I use a machine which has a dynamic IP address from a DHCP server. I have to know from which server it comes.
How to do that?!
To find out the DHCP server that's giving you the IP, just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command(s) below:
Or you can just use grep command to get DHCP server address.
In Ubuntu 14.04 (on this machine anyway), the