There are many programs to capture and record what happens on your computer screen for Linux. Even some tools to make GIFs or show what happens in the terminal. But if there is a complete program with advanced options for professionals, that is OBS Studio.
OBS Studio software is free and open source. A complete program for livestreaming and video capture by software that is available for various platforms. Now, its developers have managed to launch OBS Studio 25.0, with some interesting improvements that you will like.
It is the one used by some youtubers, teachers, or those who do livestreams on Twitch. In fact, I have chosen it for some of my courses myself. The truth is that I have worked with several such as Vokoscreen, among others, but I especially liked OBS Studio.
Now, GNU / Linux users will be able to install this new version that includes a full browser by default implemented now. You will not have to be using an external plugin anymore. Thanks to this inclusion, another new feature included works properly in the Linux version, and that is to allow you to drag-and-drop from a website to create navigation sources.
I also know add support For the open source SRT protocol, the ability to control the volume of a source in the audio mixer by right-clicking on the menu, some bugs that caused hangs on Linux with PulseAudio, new ability to copy and crash, have been fixed. paste from multiple selected sources, etc. Remember that the new Vulkan capture feature is only available on Windows at the moment ...
You can see the page with the project code at GitHub and the official website to download or read documentation at O.B.S. Project. So you can try all the news ...