- Install xming
- Set up putty, use x forwarding, diplay loc localhost:0.0, rest is default
- Start xming
- On centos:
yum install xorg-x11-fonts* libXtst xorg-x11-xauth xorg-server xclockTest using xclock. If $DISPLAY is not set you did it wrong. You can also test mobaxterm, it works well.