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What is the most difficult problem that you have fixed in linux? (lemmy.world)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 8 months ago (1 children)

I managed a CentOS system where someone accidentally deleted everything from /usr, so no lib64, and no bin. I didn't have a way to get proper files at the time, so I hooked the drive up to my Arch system, made sure glibc matched, and copied yum and other tools from Arch.

Booted the system, reinstalled a whole lot of yum packages, and... the thing still worked.

That's almost equivalent to a reinstall, though. As a broke college student, I had a laptop with a loose drive, that would fall out very easily. I set it up to load a few crucial things into a ramdisk at boot, so that I could browse the web and take notes even if the drive was disconnected, and it would still load images and things. I could pull the cover off and push the drive back in place to save files, but doing that every time I had class got really tiring, so I wanted it to run a little like a live system.

[–] [email protected] 1 points 8 months ago

I have taken a drive with filesystem issues, mounted on a different machine and either backup data I wanted to keep or copy files to make the original machine runnable.

[–] [email protected] 1 points 8 months ago (2 children)

Rescuing home partition from ZFS, actually that doesn't really count since I did have to reinstall (was no longer booting), but recovering the Home partition from ZFS and to the other ext4 drive was much harder than it should've been and that's why I would never recommend people use ZFS.

[–] [email protected] 1 points 8 months ago

agree. zfs is a hairy beast with nice features

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[–] [email protected] 1 points 8 months ago

Accidentally put grub on the wrong partition on the device, which it was not happy with. Was able to copy some files over, manually boot the OS, and reconfigure grub to be in the right partition, took me about 2 hours? Then I did it again on a different machine, and speedran it lol

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