Updating OpenBSD system

Backup everything.

Run sysupgrade(8).
Check for snapshot update (-s) and download it, but not reboot (-n):

$ doas sysupgrade -sn

Do a reboot(8) when possible (as soon as)

$ doas reboot

After reboot, run sysmerge(8)

$ doas sysmerge

Run pkg_add(1) to update all installed packages

$ doas pkg_add -Iuv

See also