Date: Mon, 14 Jan 2008 01:03:42 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Christian Baer <christian.baer@uni-dortmund.de> Cc: freebsd-questions@freebsd.org Subject: Re: Changing the output of uname -m or -p Message-ID: <478AA6DE.2080905@FreeBSD.org> In-Reply-To: <fme51j$t4q$1@nermal.rz1.convenimus.net> References: <fme51j$t4q$1@nermal.rz1.convenimus.net>
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Christian Baer wrote: > Hello Folks! > > This may be a bit of a hacker's question, but I'll just go for it in here > - at least for starters. > > I want to play a prank on a friend of mine. He does a csup at least once a > day and also makes a new world at least once a day. He is pretty nutty > about that which is ok for some -CURRENT system, but he also does that on > production systems. > > Now I don't want to judge him about that, but he is a bit sensitive about > the output of uname. The version is very important to him. :-) > > The prank I want to pull is to somehow change the output of uname -m to > read something different. The best thing would be to change that to > something ancient like C-64, i286, i8086. Or, if only plattforms that > FreeBSD supports are allowed, then mips, alpha or sparc64 on an i386. That > should keep him thinking for a while. :-) > > I don't want to do any damage, so I just want to screw up the output of > uname and the system should work normally apart from that. I realise that > I may have to change some of the OS's code and that's not a problem. I > just don't know where to look for this kind of thing and I don't really > want to do too much reading just for a little prank. > > This guy is a really good friend of mine but sometimes get up my neck > because I am much more conservative about updating my production systems. > As you can see on this machine, I go along the lines of RELENG_6_2 which > he can't understand. This should buy me a little peace and quite for a > week or two. Getting access to his machines is no problem as I am often at > his place. > > Can this even be done and if so how? See the manpage, and the UNAME_* variables. Kris
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