This is a bash script for internal usage at EjadTech.
The script role is to shutdown the server if there is no vnc activity for a specific amount of time.
The script uses netstat command which needs to be installed. On ubuntu you can install it by installing net-tools package:
# apt install net-tools
Usage: (# = As root user)
# mkdir /etc/vnc
# cd /etc/vnc
# git clone https://github.com/ejad-tech/vnc-smart-shutdown.git smart-shutdown
# crontab -e
Add this line:
* * * * * /etc/vnc/smart-shutdown/check-connections.sh >> /etc/vnc/smart-shutdown/check-connections.log 2&>1
By default the script shutdowns the server after 30 minutes of inactivity and listens to open connections at port 5901.