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To: freebsd-stable@freebsd.org, "George L. Yermulnik" <yz@yz.kiev.ua>
Subject: Re: [FreeBSD-Announce] FreeBSD Errata Notice
 FreeBSD-EN-16:09.freebsd-update
References: <20160725152231.1043514D8@freefall.freebsd.org>
 <20160725160755.GE63000@yz.kiev.ua>
Date: Mon, 25 Jul 2016 19:01:36 +0200
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From: "Ronald Klop" <ronald-lists@klop.ws>
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On Mon, 25 Jul 2016 18:07:55 +0200, George L. Yermulnik <yz@yz.kiev.ua>  
wrote:

> Hello!
>
> On Mon, 25 Jul 2016 at 15:22:31 (+0000), FreeBSD Errata Notices wrote:
>
> [...]
>> 3) To update your system via a source code patch:
>
>> The following patches have been verified to apply to the applicable
>> FreeBSD release branches.
>
>> a) Download the relevant patch from the location below, and verify the
>> detached PGP signature using your PGP utility.
>
>> # fetch  
>> https://security.FreeBSD.org/patches/EN-16:09/freebsd-update.patch
>> # fetch  
>> https://security.FreeBSD.org/patches/EN-16:09/freebsd-update.patch.asc
>> # gpg --verify freebsd-update.patch.asc
>
>> b) Apply the patch.  Execute the following commands as root:
>
>> # cd /usr/src
>> # patch < /path/to/patch
>
>> c) Recompile the operating system using buildworld and installworld as
>> described in <URL:https://www.FreeBSD.org/handbook/makeworld.html>.
> [...]
>
> Do we really need to recompile the world after applying this patch? %-\
> It's only one-letter diff in sh-file...
>

This is the formal procedure. A lawyer would say: you can shortcut it at  
your own risk. A practical computer user can just put the character in the  
sh-file.
Easy thing of the recompile is that the version of your FreeBSD install is  
updated also.

Regards,
Ronald.