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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Is it safe to assume that all apps from the software store (Discover in my case) are safe? (lemmy.org)

submitted 1 day ago by Cekan14@lemmy.org to c/linux@lemmy.ml

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Hi, there!

Newbie question here: basically, the title. Perhaps what I'm asking is pretty obvious, but I'd like to double-check with the community on this.

I use Discover on my Debian KDE Plasma set-up, with Flatpaks enabled (but not Snaps). Sometimes, I come across apps (I did just yesterday, searching for translation apps to replace DeepL), that have according to its page, an unknown author and, sometimes, even an unkown licence, but which do require access permission to the whole system (this latter requirement applying specifically to Deb packages, from what I've seen).

Under these circumstances, is it safe to assume that such apps will still be safe because of the fact that they appear listed on Discover (in other words, is Discover a guarantee of safety for the apps it shows, as in, some type of checked or proved content), or should I still be wary of potentially malicious software included on it?

Thank you very much in advance :)

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[–] IsoKiero@sopuli.xyz 3 points 1 day ago

This, in turn, is different from APT, which is not Debian’s repository, but Debian’s package manager. So, technically, I could write “sudo apt install (anything)” to get any piece of software from Debian’s repository indeed, but I could also use that command to get software from somewhere else also in the form of a Deb package but which would not have come from Debian itself.

With apt (and discover which uses apt/dpkg at the background) you can install anything from repositories configured on your system. So, if you want to use apt to install packages not built by Debian team you'll need to add those repositories in your system, so they don't just appear out of nothing.

Some software vendors offers .deb packages you can install which then add their own repository on your system and then you can 'apt install' their product just like you would on native Debian software and the same upgrade process which keeps your system up to date will include that '3rd party' software as well. Also some offer instructions on how to add their repository manually, but with a downloaded .deb it might be a bit easier to add repository without really paying attention to it.

Spotify is one of the big vendors who have their own repository for Debian and Ubuntu and with Ubuntu there's "ppa" repositories, which are basically just random individuals offering their packages for everyone to use and they are generally not going trough the same scrutiny than official repositories.