I have a cloud server which is running ubuntu server. I have connected to the server with putty. I have installed xubuntu and gdm but do not know how to login into xubuntu from putty terminal.
I'm assuming you mean that you want to use graphical applications from the terminal, forgive me if I'm incorrect.
There are many ways to do this. I'm going to assume you mean one of the following:
For the first solution, make sure you can send those protocols over ssh. You'll need to check the ssh config file located at
If what you want is to log in remotely to a gui without the terminal, you'll need some sort of vnc server on your xubuntu machine. I use vncserver which you can get by running