# OpenBSD 6.9 Sysupgrade Guide

This is a quick upgrade guide for [OpenBSD 6.9](https://openbsd.org/69.html) using [[sysupgrade](/https://man.openbsd.org/sysupgrade).
This is a quick upgrade guide for [OpenBSD 6.9](https://openbsd.org/69.html) using [[sysupgrade](/https://man.openbsd.org/sysupgrade).

**NOTE**: This guide is **no** substitute for reading the [OpenBSD FAQ](https://www.openbsd.org/faq/). In particular, you should read the [[Upgrade Guide](/https://www.openbsd.org/faq/upgrade69.html).
**NOTE**: This guide is **no** substitute for reading the [OpenBSD FAQ](https://www.openbsd.org/faq/). In particular, you should read the [[Upgrade Guide](/https://www.openbsd.org/faq/upgrade69.html).

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 6.8 GENERIC#6 amd64`, you need to upgrade. If it says `OpenBSD fruit.ircnow.org 6.9 GENERIC.MP#98 amd64`, you are on the most recent OS version.

Next, make sure to back up any files. Use [dump](Openbsd/dump) and [[restore](/Openbsd/restore).
Next, make sure to back up any files. Use [dump](Openbsd/dump) and [[restore](/Openbsd/restore).

    $ doas sysupgrade


The upgrade should begin automatically. You can view it in the [serial console](Openbsd/cu) for [VMM](/VPS/intro) or in VNC for [[BuyVM](/Openbsd/buyvm).
The upgrade should begin automatically. You can view it in the [serial console](Openbsd/cu) for [VMM](/VPS/intro) or in VNC for [[BuyVM](/Openbsd/buyvm).

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To check if installation succeeded:

    $ uname -a
    OpenBSD pear.my.domain 6.9 GENERIC.MP#98 amd64


To check if you have the proper amount of RAM and number of cores, run [top](/openbsd/top).

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You will want to [patch](/Openbsd/syspatch) the system:

    $ doas syspatch


Then, you'll want to run [sysmerge](/https://man.openbsd.org/sysmerge) to merge any configuration files:

    $ doas sysmerge


Then, make sure to upgrade your packages:

    $ doas pkg_add -Uu


Read and fix any error messages that you may see.

You will want to reboot after some patches:

    $ doas shutdown -r now