Screen

How to Take Screenshot of Login and Lock Screen in Ubuntu and Other Linux Distributions

How to Take Screenshot of Login and Lock Screen in Ubuntu and Other Linux Distributions

Press Ctrl+Alt+F1 at the login screen to go console mode. Once the script is executed, it will take you back to the log in screen graphical interface (chvt 7) and after five seconds it will take and save the screenshot in your home directory with a file name screenshot.

Ffmpeg How to Install and Use FFmpeg on Debian 9
How to Install and Use FFmpeg on Debian 9
The following steps describe how to install FFmpeg on Debian 9 Start by updating the packages list sudo apt update. Install the FFmpeg package by runn...
Docker How to Remove All Unused Objects in Docker
How to Remove All Unused Objects in Docker
How to Remove Docker Containers To remove a stopped container, use the command docker container rm [container_id] ... To remove all stopped containers...
Maven How to Install Apache Maven on CentOS 8
How to Install Apache Maven on CentOS 8
Installing Apache Maven on CentOS 8 Step 1 Install OpenJDK. Maven 3.3+ require JDK 1.7 or above to execute. ... Step 2 Download Apache Maven. At the t...