Date: Fri, 17 Sep 2010 15:00:16 +1000 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: very stupid mistake: a part of /usr is deleted Message-ID: <20100917143359.X73353@sola.nimnet.asn.au> In-Reply-To: <i6qo7t$3ql$1@dough.gmane.org> References: <20100915153638.19173erppua441d2@webmail.uni-tuebingen.de> <i6qo7t$3ql$1@dough.gmane.org>
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On Wed, 15 Sep 2010, Ivan Voras wrote: [..] > That is actually an easy situation to recover, you can do it in at least > these ways: > > 1) if you build/upgrade from source, you can either reinstall if you have > working /usr/obj or try and rebuild them if you have working /usr/src > > 2) if you have another machine with the same FreeBSD version and > architecture, simply copy the missing files (with tar, scp, ftp, fetch/wget, > etc...) > > 3) if you have networking and at least working fetch / ftp / wget, cat and > tar, you can fetch the files at > ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/8.0-RELEASE/base/ and use > install.sh to reinstall the base binaries > > Remember that those files are not magical, you can restore them any way you > are able. You can even boot the live CD (from > ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/8.0/), mount the > appropriate file system and copy the files from the CD. 1) and 3) look good, but 2) - except tar - or cp'ing files from the CD won't preserve hard links, of which there are quite a few in /usr/bin, that install.sh takes care of: tar --unlink -xpzf - -C ${DESTDIR:-/} Apart from the few megs of extra space used, I wonder if that matters, especially regarding later updates that may replace some of those files? cheers, Ian
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