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CentOS 8: live updating the kernel using kpatch

Oct 21, 2019, 06:00 (0 Talkback[s])
(Other stories by James J)

Lets face it, we all hate the reboot that comes with kernel patching.

We have to fill out paperwork, do notifications, test backups, etc. But, on the other hand, we like knowing our infrastructure is secure. Where is the middle ground? The answer is Kpatch! We can live patch the kernel in memory. No reboot necessary! Lets get started by making a small change to our running kernel.

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