How to Disable Screen Locking in Ubuntu 18.04 LTS?
Method 1: GUI way
Step 1: Click on Panel at the top right.
Step 2: Click on Settings, and then click on 'Privacy.'
Step 3: Click on 'Screen Lock,' and then Turn Off 'Automatic Screen Lock.'
Step 4: Close the Settings window.
Method 2: Via Terminal
Step 1: Right click on the desktop, and then click on 'Open terminal.'
Step 2: Run the command below, and then hit enter.
gsettings set org.gnome.desktop.screensaver lock-enabled false
It's done
Thanks for watching, please like and subscribe
==============================================
https://www.facebook.com/HowtoTutorialsByAmit/