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SYSPATCH(8) System Manager's Manual SYSPATCH(8)

NAME

syspatchmanage base system binary patches

SYNOPSIS

syspatch [-c | -l | -R | -r]

DESCRIPTION

syspatch is a utility to fetch, verify, install and revert OpenBSD binary patches.
When run without any options, syspatch will apply all missing patches by saving the original release kernel if needed, creating a rollback tarball containing the files it is about to replace, then extracting and installing all files contained in the syspatch tarball. Patches are cumulative and as such it is not possible to install only a subset of them.
The options are as follows:
 
 
-c
List available patches; suitable for cron(8).
 
 
-l
List installed patches.
 
 
-R
Revert all patches.
 
 
-r
Revert the most recently installed patch.

FILES

/bsd.syspatch${OSrev}
Backup of the original /bsd release kernel.
/etc/installurl
OpenBSD mirror top-level URL for fetching patches.
/var/syspatch/*
Directories containing the rollback tarball and original signed diff(1) of installed patches.

SEE ALSO

signify(1), installurl(5), release(8)

HISTORY

syspatch first appeared in OpenBSD 6.1.

AUTHORS

syspatch was written by Antoine Jacoutot <ajacoutot@openbsd.org>.

CAVEATS

syspatch is designed to work solely on official OpenBSD releases.
May 9, 2017 OpenBSD-current