Date: Tue, 25 Oct 2005 05:30:38 -0500 From: Eric F Crist <ecrist@secure-computing.net> To: Dimitar Vasilev <dimitar.vassilev@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: updating in single-user mode Message-ID: <3480C023-AFED-42A7-A8F3-9821A23A16F8@secure-computing.net> In-Reply-To: <59adc1a0510242145s343b34afl@mail.gmail.com> References: <f2160e0d0510241524h4a2aae22yc26352e2d3bb5722@mail.gmail.com> <200510241712.11320.akbeech@gmail.com> <59adc1a0510242145s343b34afl@mail.gmail.com>
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On Oct 24, 2005, at 11:45 PM, Dimitar Vasilev wrote: >> I don't reccommend doing installworld or kernel in multiuser, but =20 >> I have never >> had any problems doing it on a lightly loaded machine. With that =20 >> said what >> could bite you is your new kernel not booting or something broken in >> userland. You will then need console access (serial or local) to =20 >> fix it. I >> would set up your machine with serial console access and use a =20 >> laptop or >> another machine when you reboot. >> >> Beech >> -- >> > I have done it when there is NO activity on the machine. Read =20 > UPDATING first. > Reset your securelevel to -1, stop all services except SSH and go. > It's possible to break your machine though. > Then you have to rebuild it again and it's 50/50 to succeed. > As advised twice, use serial cables/KVM switches if possible. > -- > =D0=94=D0=B8=D0=BC=D0=B8=D1=82=D1=8A=D1=80 =D0=92=D0=B0=D1=81=D0=B8=D0=BB= =D0=B5=D0=B2 > Dimitar Vassilev > > GnuPG key ID: 0x4B8DB525 > Keyserver: pgp.mit.edu > Key fingerprint: D88A 3B92 DED5 917E 341E D62F 8C51 5FC4 4B8D B525 If this isn't a production machine, try it. I have been doing system =20= updates since 3.4 and not once have I booted into single user mode to =20= compile my kernel or userland. I've even done it as recently as two =20 weeks ago. I don't have a huge userbase, so my system is pretty quiet. _______________________________________________________ Eric F Crist "I am so smart, S.M.R.T!" Secure Computing Networks -Homer J Simpson
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