this post was submitted on 07 Mar 2025
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[–] unhrpetby@sh.itjust.works 3 points 1 day ago* (last edited 1 day ago)

Yes. Using kexec.

Though this is irrelevant for majority of users: I've never seen it as the default.

That +

WARNING: Use with caution! Kernel crashes, spontaneous reboots, and data loss may occur!

gives me the idea that its likely safer to just do a proper reboot, if your alternative is kernel patching or loading a completely different kernel.

Plus, its likely that not every single bit of firmware running on your devices support live patching. Thus you will be rebooting eventually, unless you are fine with avoiding the updates.