How to start cygwin X in windowless/multiwindow mode

Double click on "Cygwin64 Terminal".

Then enter the command: startxwin

Then open another cygwin window, and enter this: env DISPLAY=:0.0 xterm

How to restart NoMachine nxserver on RHEL 7.0

sudo /usr/NX/bin/nxserver --restart

Closing laptop lid without suspending/hibernating on Fedora 27

1. As root, edit /etc/system/logind.conf

2. Change

    #HandleLidSwitch=suspend

    to

    HandleLidSwitch=ignore

3. Reboot