Linux

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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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Are there any discrepancies between the resources an OS uses when running in a virtual machine vs being ran directly? (lemmy.ml)

submitted 6 months ago* (last edited 6 months ago) by vortexal@lemmy.ml to c/linux@lemmy.ml

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I recently found out about a Linux Distro named Q4OS and I wanted to test out their claim that it only requires 256 MB of ram when using the trinity desktop environment. However, when I used the live cd in virt-manager with 256 MB or ram, it just kernel panicked at boot. So I then tried it with 512 MB of ram. In addition to some issues that are not present when you are using at least 1 GB of ram, such as "sudo apt update" causing the entire VM to become unresponsive, I noticed that it seemed to actually use anywhere between 290 MB to 370 MB of ram when the only thing running was the process viewer (which is htop).

Obviously, this is still very low for a modern Linux distro but I was wondering how accurate VMs are for testing ram usage.

And, yes I know that it would be pretty much useless on a PC that only had 256 MB of ram even if it did work. I'm actually checking the ram usage because there is a possibility that I may be using a very old computer of mine that only has 1 GB of ram at some point in the future. So I'm just testing it and eventually other distros out to to see which one I'm going to end up using (assuming I do actually end up even using that computer).

Edit: I just tried the 32-bit version in virt-manager and htop stated it was only using 232 MB of ram, which means that their claim was right and that I might have been using the wrong version.

Edit 2: I just tried installing the 64-bit version in virt-manager and htop stated that it was using about 350 MB of ram, so I don't know if installing it actually made a difference.

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[–] boredsquirrel@slrpnk.net 1 points 6 months ago

Yes certainly reinstalling and software availability are a thing.

You can check packages.fedoraproject.org and copr.fedorainfracloud.org for packages. COPR is like the AUR.

Interesting thanks for the link. Strangely it doesnt work when I am german, but searching for it I get the same one.

I recommend the Episode "Super PCMan" by Linux User Space. It is pretty interesting, and LXQt has a smaller footprint and runs on the latest framework.

I see that they kind of some time plan the GTK4 ports, but LXQt is already on the latest Qt. I dont know how well supported GTK3 is really, but I guess it is okay?