Upgrading an OpenBSD system manually (release upgrade)
Download a suitable ramdisk kernel (
bsd.rd
), for example for OpenBSD 6.5 on AMD64Place
bsd.rd
to/
and reboot the systemType
bsd.rd
in the bootloader
Then run something like pkg_add -uvi
and update all packages.
Result:
Keep OpenBSD up to date, use KARL, Anti-ROP etc.
Use
syspatch
from now on.