It is possible to use
X11-forwarding running on a common
remote server without GPU ?
X11-Forwarding does not require any kind of graphics ability on the host, and is commonly used in this configuration (among many others no doubt) when remotely maintaining VM's. [ If you are using Linux, the only thing you need installed on the remote host by way of an "X" environment is xauth, and possibly some fonts - you don't even need X installed].