Systemctl: may be used to introspect and control the state of the "systemd" system and service manager. i.e. you can manage state of the daemons on your Linux system with this command line tool.
Linux
Linux distrinutions are primarily user either rpm or deb for their packages. This articles discusses uses of dpkg and rpm
Ncdu is a disk usage analyzer with an ncurses interface. It is command line utility which has a better and easier to use interface compared to the basic command 'du'
ROS is an open-source, meta-operating system for your robot. It provides the services you would expect from an operating system, including hardware abstraction, low-level device control, implementation of commonly-used functionality, message-passing between processes, and package management. It also provides tools and libraries for obtaining, building, writing, and running code across multiple computers
Sometimes recorded video, screecasts etc have a low volume, if you want to increase the volume without getting into too much complication, you can simply use ffmpeg for the same.
The command:
ffmpeg -i foo.mp4 -filter:a "volume=5.0" foo-high-volumet.mp4
Here:
ffmpeg is the command
-i assigns input file i.e. foo.mp4
Midnight Commander is a command line application with a text user interface and is is a free cross-platform file manager.
Linux Mint 20 Ulyana (XFCE/MATE/Cinnamon) Stable were released on 27th June 2020. I faced screen tearing problem during the initial screen itself. Here is a video which talks about how to solve the issue.
Here is an overview of Linux Mint 20 beta release and a first impression of the latest XFCE release.
If you are using GNU/Linux and have been using a webcam then you might have noticed that there are no tools or controls available for setting the webcam's brightness, contrast, hue, sharpness etc.
XFCE auto window maximize when title bar touches the top screen edge can be annoying some times. Here is how you can disable it.