dexter's blog

Linux distrinutions are primarily user either rpm or deb for their packages. This articles discusses uses of dpkg and rpm

If you have been creating content types, it is obvious that you would not like to display all the fields one after another. But what if you wanted to display a field content in between some text, say the name of the author or say you have a date field etc.

Once you Drupal Site it installed, Its a good idea to update the Logo and Favicon and it give your site a good branding.

As soon as  you install Drupal, you should take this step immediately to avoid spam and increase security.

Drupal is a free and open-source content-management framework that can be customized/changes and tweaked to make simple blog type website or complex web applications.

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database.

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'

UPBGE (Continuation of the Blender Game Engine) is used for creating 3D games.  We can play the game in the engine itself, but how do you export it as an independent executable so that you can use it without UPBGE.

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

-filter: for audio filter