OpenBSD 6.8 Sysupgrade Guide
This is a quick upgrade guide for OpenBSD 6.8 using sysupgrade.
NOTE: This guide is no substitute for reading the OpenBSD FAQ. In particular, you should read the Upgrade Guide.
First, check to see if you need to upgrade your OS. To find our your operating system version, type:
uname -a. If it says
OpenBSD fruit.ircnow.org 6.7 GENERIC#6 amd64, you need to upgrade. If it says
OpenBSD fruit.ircnow.org 6.8 GENERIC.MP#98 amd64, you are on the most recent OS version.
Next, make sure to back up any files. Use dump and restore.
$ doas sysupgrade
The upgrade should begin automatically. You can view it in the serial console? for VMM? or in VNC for BuyVM.
To check if installation succeeded:
$ uname -a OpenBSD pear.my.domain 6.8 GENERIC.MP#98 amd64
To check if you have the proper amount of RAM and number of cores, run top?.
You will want to patch the system:
$ doas syspatch
Then, you'll want to run sysmerge to merge any configuration files:
$ doas sysmerge
Then, make sure to upgrade your packages:
$ doas pkg_add -u
Read and fix any error messages that you may see.
You will want to reboot after some patches:
$ doas shutdown -r now