Date: Fri, 14 Jan 2011 10:46:04 -0800 From: Carl Johnson <carlj@peak.org> To: freebsd-questions@freebsd.org Subject: Re: Date of a FreeBSD installation Message-ID: <87sjwv2uj7.fsf@oak.localnet> In-Reply-To: <20110114153212.GA21418@libertas.local.camdensoftware.com> (Chip Camden's message of "Fri, 14 Jan 2011 07:32:13 -0800") References: <4D2F606D.6090407@gmail.com> <20110113232321.5857ad0f@gumby.homeunix.com> <AANLkTi=OQiL=r5ZxxfMtaf6DduPYM5B4Q4JVRsN466GK@mail.gmail.com> <20110114153212.GA21418@libertas.local.camdensoftware.com>
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Chip Camden <sterling@camdensoftware.com> writes: > Quoth Carl Chave on Friday, 14 January 2011: >> > I'd suggest looking at the Btimes of top level directories >> > >> > stat -f "%SB %N" /* >> >> Or how about just / as this ~15 minutes earlier than most of the >> remaining top level directories >> >> >> sodserve# stat -f "%SB %N" /* >> Jan 9 04:54:21 2011 /COPYRIGHT >> Jan 9 04:54:21 2011 /bin >> Jan 9 04:54:21 2011 /boot >> Dec 31 18:59:59 1969 /dev >> Jan 9 04:54:21 2011 /etc >> Jan 9 04:54:21 2011 /lib >> Jan 9 04:54:21 2011 /libexec >> Jan 9 04:54:21 2011 /media >> Jan 9 04:54:21 2011 /mnt >> Jan 9 04:54:21 2011 /proc >> Jan 9 04:54:21 2011 /rescue >> Jan 9 04:54:21 2011 /root >> Jan 9 04:54:21 2011 /sbin >> Jan 9 04:54:21 2011 /sys >> Jan 9 04:48:39 2011 /tmp >> Jan 9 04:48:45 2011 /usr >> Jan 9 04:49:39 2011 /var >> >> sodserve# stat -f "%SB %N" / >> Jan 9 04:39:59 2011 / > > For me, that gets the Nov 21 2009 date, which is earlier than my > install date. > > So far, /etc/hostid and the /home symlink seem to be the winners. On my system /etc/hostid is several days later than my actual install date, so that isn't always reliable. You might want to create a file with the timestamp you want. The most likely time appears to me to be the 'Created' time in /etc/rc.conf, as someone suggested earlier. The following code will extract that and create a file with that timestamp. I have checked it on my system, but use at your own risk. file=/etc/install_date date=$(grep '^# Created: ' /etc/rc.conf | cut -c 12-80) tdate=$(date -j -f "%a %b %d %H:%M:%S %Y" "$date" "+%Y%m%d%H%M.%S") echo $date > $file touch -t $tdate $file chmod -w $file chflags schange $file -- Carl Johnson carlj@peak.org
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