Ubuntu's minimum system requirements—6GB of RAM and 25GB of storage space—are modest compared to Windows, but if you're working with an older PC, even that may be too much.If you've ever tried running the current release of Ubuntu on an old netbook or Optiplex, you've experienced it first hand.Fortunately, that doesn't mean your old devices are e-waste.
There are many Linux distros designed to run on a PC that doesn't come anywhere close to meeting Ubuntu's requirements, and they can boot in seconds.These are a few of my favorites.Tiny Core Linux is the smallest usable desktop A 25MB ISO that runs entirely from RAM Close Tiny Core is a stock Linux kernel with BusyBox, a minimalist window manager, and not much else.
Rather than include a ton of defaults to make the experience smoother, Tiny Core strips away that isn't absolutely necessary to get an OS booted and running.You can then add extensions (applications) back as you need them.The entire operating system runs in your PC's RAM rather than off the storage drive, which makes it an excellent choice for an old PC that still has a mechanical hard drive.
You're not limited by the read-write speeds of a spinning platter; your speeds are determined by the speed of the RAM, and even DDR3 is significantly faster than a mechanical drive.The tiny size and light requirements make Tiny Core a great option for retro hardware or simple projects.However, it'll take some work to get it working as a daily driver because is manual.
You need to add your Wi-Fi drivers, a browser, codecs, and most other things you associate with a modern operating system.Alpine Linux uses musl and Busybox Alpine is famous for containers Close Alpine Linux is most commonly used for Docker or Proxmox containers, but you can also turn it into a very lean desktop if you want.Under the hood, Alpine swaps glibc for musl libc and systemd for OpenRC, which helps keep the base install size down to around 125MB.
It also comes with its own package manager, apk, that feels quite similar to apt and dnf, which makes using it as a daily driver fairly easy.Alpine Linux has a few snags.Many apps lean on glibc as a default and won't run with musl libc unless you recompile them first.
If you're talking about proprietary software, it may not be possible to run them at all.Still, if you're looking for something that is lightweight and fairly accessible, and you don't mind dealing with the occasional incompatibility, Alpine Linux is a great option.Like Tiny Core, Alpine can be run directly from RAM if your PC is stuck with a slow mechanical hard drive.
Since RAM prices have soared, Alpine Linux has replaced Ubuntu as my go-to distro for self-hosting services and apps on my server.I can typically squeeze at least 5 Alpine Linux VMs in the same footprint as a single Ubuntu VM, which is definitely enough that it makes the extra trouble worthwhile.Related I stopped using Ubuntu for self-hosting and traded it for this lightweight alternative A dozen containers now use the storage and RAM of one.
Posts 4 By Nick Lewis antiX Linux for ancient x86 PCs Debian-based and light enough for a Pentium Close If you're trying to revive an piece of hardware, you should try antiX.antiX is a Debian derivative that replaces systemd and a few other crucial services with lighter alternatives.Critically, it still supports 32-bit CPUs—something most mainline Linux distros dropped a long time ago.
The Debian base comes with pretty serious advantages; foremost among them is access to the huge software library a large RAM overhead.The interface looks very much like a product of the "oughts," and there are a few idiosyncrasies unique to antiX Linux that you'll have to learn to navigate, but it is very approachable.If you've used Ubuntu, you'll be able to use antiX.
Puppy Linux comes with a suite full of apps It can also run just in RAM Puppy Linux, like so many other performance-oriented Linux distros, is designed to load completely into your system's RAM.Changes you make are eventually saved to a single file that gets read back at boot.It is light enough that it can run on a PC with only half a gig of RAM but doesn't sacrifice usability—it has a browser and office tools.
Puppy Linux shines when you need an ultralight distro to get as close as possible to a daily-driver PC with the least amount of work.Match the distro to how old the hardware really is When choosing a distro, you need to look at your RAM and CPU architecture.If you are dealing with a 32-bit CPU or less than 512MB of RAM, you should stick with antiX or Tiny Core.
If you have between 512MB and 2GB, Puppy Linux is great for a full app suite, while Alpine is the way to go if you prefer the terminal.If you have 2–4 GB, any of these will feel fast, though you might also consider Xubuntu or Lubuntu if you prefer something more conventional and you have the resources to spare.You have to accept certain trade-offs when leaving Ubuntu.
The communities around these distros are smaller, which means less help is available if something goes wrong.There are also generally fewer programs in the repos.You'll also spend more time manually setting things up, since most of these distros are pretty austere.
Still, if you have an old PC you'd like to put to use, it is hard to beat them.
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