Updating OpenBSD

OpenBSD has a few different mechanism to update, depending on what the update is for.

For packages:
pkg_add -u

For the kernel and base system:
syspatch

For firmware:
fw_update

All of these need to get run with doas if you’re not root.

Finally, if you’re moving from one version to another:
sysupgrade
sysmerge
pkg_add -u

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