I learned by a lot of distro hopping, tweaking and tuning and compiling kernels (way back when tho), to not being afraid of "breaking things." Since Nov. 1992. It helps when you use a spare PC or laptop though, no panic about loss
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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I always think of Kiwi / Ozzie slang when I type chroot.
Of course that's after consulting the ArchKiwi to remember how to mount it
I haven't had any issues with the kernel yet. The worst thing that I can remember doing is messing up the systemd boot entry on my Arch Linux install.
Just did a fresh install after attempting to migrate from a proxmox VM to baremetal (turns out my mobo only supports UEFI and after spending an hr trying to convert I just gave up and reinstalled)
I am very happy I am doing this on a ProxMox machine. So fast to flip them up again
I've been running different versions of Linux since 2011. My crippled kernel count is still zero to this day.
And that's even after stripping it of the drivers I'll never need, stripping it of the languages I'll never need, and even rerouting all temporary files, internet cache, and even core OS log files to tmpfs and ramfs.
Yeah, try troubleshooting an OS with no log files after reboot. Yeah, I can do that, hella performance boost!
Once you break it a few times, you start to understand the value of btrfs or ZFS snapshots.