Pardon my bad english. I'm an aspiring video editor. I use the Linux distribution Mageia 7. Looking for that software in the "Install & Remove Software", I realize that it is not available (not even for Micro$oft Window$). Then I tried installing it through the console, but the following messages came out like this: sudo: apt-get: command not found sudo: apt-install: command not found That is one of the negative points I have found in this distribution; however, it is the one that performs best on my very old all-in-one computer that I bought many years ago. Not even the official Cinelerra GG website has Mageia documentation?? it's strange This website comes closer to what I'm looking for but I don't understand the many links they provide there. It is not entirely clear their proposal to download it. https://fedora.pkgs.org/rawhide/rpmfusion-free-x86_64/cinelerra-gg-5.1.2020.... This is the list of video editing software available for Mageia 7: https://wiki.mageia.org/en/List_of_applications#Video_Players.2C_Video_Editi... I had Linux Mint installed, but it gave me nightmares because the wifi was disconnected very often (the router was somewhat close) and also almost everything I did in this distribution was slow. I uninstalled it. Then I installed Ubuntu Studio but the data pointer (popularly known as "mouse") was "lagging" or getting very slow instead of having that natural and fluid movement. I uninstalled it. Finally, I installed Linux Mageia 7, and it does not give the problems that the previous ones; except for: - The terminal that does not allow me to install any program - The package center does not have some popular softwares (I realized when using Mageia for several months). This forced me to search for several weeks for the rpm softwares that I need, but there are hardly any websites that offer that, except one that took a lot of work to find (but it didn't help me). - Chromium browser does not correctly play sound in Youtube live streams, and videos from other platforms (whether live or not)..... the Opera browser does not play audio and video from Youtube live streams, and does not play videos from other platforms (whether live or not). This is what happened when wanting to install Cinelerra on Mageia 7: THIS I WROTE: urpmi.update-a THIS HAPPENED: medium " Core Release (distrib1)" is up-to-date medium " Core Updates (distrib3)" is up-to-date medium " Nonfree Release (distrib11)" is up-to-date medium " Nonfree Updates (distrib13)" is up-to-date medium " Core Release (distrib46)" is up-to-date medium " Core Updates (distrib48)" is up-to-date medium " Nonfree Release (distrib56)" is up-to-date medium " Nonfree Updates (distrib58)" is up-to-date THEN THIS I WROTE: urpmi cinelerra THIS WAS THE RESULT: bash: urpmi: command not found I will not make you engage to follow up on my case (it is voluntary). And previously said, I'm an aspiring video editor. I use the Linux distribution Mageia 7 (developed by many several former employees of the ex-Mandriva) Beside that, I just recently discovered that now it no longer opens "Install ~ Remove Software" after using " urpmi.update-a” in Mageia's “Konsole Terminal” console; is that common? can't it be fixed anymore? Thanks in advance.