VPSのDebianをunattended-upgradeで自動アップグレード – matoken's blog https://matoken.org/blog/2026/10/30/automatically-upgrade-debian-on-vps-with-unattended-upgrade/
$ apt-cache search kpatch
kpatch - Runtime tools for Kpatch
kpatch-build - Build Tools for Kpatch and Livepatch