this post was submitted on 21 Aug 2024
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From Wikipedia, the free encyclopedia
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'm using Gentoo with systemd and a customized kernel, and additionally I have the
/usr
partition LUKS encrypted. Because/usr
is absolutely essential for systemd to function, I configured dracut to make a specially crafted initrd which activates the luks lvm and prompts for the password to decrypt and mount/usr
on startup before systemd init tries to run.About a year or two ago, some update to dracut or some other dependency (assumption) caused the dracut generated initrd's to kernel panic. After multiple days of troubleshooting, I discovered that just copying forward an older initrd in
/boot
and naming it to match the new kernel, e.g.initramfs-6.6.38-gentoo.img
, allows the system to boot normally .So, my Gentoo is booting a kernel
6.6.something
with a ramdisk generated in the5.9
kernel era. I am dreading the day when this behavior breaks and I can no longer update my kernel 😳I can hear the ticking..