this post was submitted on 19 Nov 2023
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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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Package up and transport a linux? (sh.itjust.works)
submitted 7 months ago by UnRelatedBurner@sh.itjust.works to c/linux@lemmy.ml
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I have a simple wish, with a probably not so simple solution.

I recently started with linux (Arch kde), I'm loving it, I quickly realized that this OS and almost all apps, are highly customizable, I'm laving that as well. My problem is the unavoidable reinstalls and that I have a laptop.

Is there any way that I can save all my configs, apps and my apps' configs, and transfer them over to my laptop, while almost having a very quick back-up. I realize that I could turn it into an ISO somehow, but that wouldn't work (I think) because my laptop has vastly different hardware. I also realize the partitioning problem. So in my idealistic world, there should be a solution that requires a clean install (from scripts or manual) and some .sh file, that installs all my apps, pastes all my configs and reboots.

So is this possible? and if yes, how should I go about this? did someone make a tool for this already? Or(!) can I burn it to a flash and the drivers will correct themselves/I'll deal with them later?

For final words I'd like to say that I'm far from finished configurating, but I'd like to know the proccess, to not shoot myself in the foot somewhere along the way of configing, thanks!

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[–] lemmyvore@feddit.nl 4 points 7 months ago

You're welcome.

To clarify, /etc can have things that are relevant for the machine so you may want to back it up, but it's not usually transferrable directly to another machine because it probably doesn't play the exact same role. It has things like service configs, network configs etc.

Even if you're trying to migrate a machine to new hardware and the machine will play the same role it's best to pick and choose files from /etc/ on a case by case basis. What I do is grab a tarball of /etc and set it aside, then if I need to redo something the same way it was on the old machine I can dig through the tarball and only use the relevant files.

Like I said it's extremely specific. For example if I want to reconfigure the SSH daemon that's usually a couple of lines which I know by heart (turn root login and password logins off) which I can do by hand; if I want to reconfigure CUPS printing it's best to use the CUPS admin interface to autodetect the printer, you don't usually want to mess with its config files; for some things like /etc/fstab or NFS or RAID I may want to copy some stuff but edit the disk UUIDs; for some things like Samba I could in theory copy the config straight over. It varies.

The list of installed packages may also be relevant when you migrate to a new machine. Different distros have different commands for obtaining a list of installed packages, and different ways of using that on the new machine to restore the same package selection. This is useful and typically can get you started much faster on the new machine.