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Date:      Fri, 8 Jun 2012 04:34:22 +0200
From:      Polytropon <freebsd@edvax.de>
To:        Robert Bonomi <bonomi@mail.r-bonomi.com>
Cc:        racerx@makeworld.com, freebsd-questions@freebsd.org
Subject:   Re: find date of last boot
Message-ID:  <20120608043422.9a5d37a7.freebsd@edvax.de>
In-Reply-To: <201206080202.q5822vVd060619@mail.r-bonomi.com>
References:  <4FD15461.6090109@makeworld.com> <201206080202.q5822vVd060619@mail.r-bonomi.com>

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On Thu, 7 Jun 2012 21:02:57 -0500 (CDT), Robert Bonomi wrote:
> > From owner-freebsd-questions@freebsd.org  Thu Jun  7 20:26:46 2012
> > Date: Thu, 07 Jun 2012 20:24:49 -0500
> > From: Chris <racerx@makeworld.com>
> > To: freebsd-questions@freebsd.org
> > Subject: Re: find date of last boot
> >
> > On 6/7/2012 8:14 PM, Chris Hill wrote:
> > Why create something that is already built in?
> > As I mentioned previously, the last command lists when the system was
> > rebooted.
> 
> Probably, because last does *not* reliably do so.  <grin>
> 
> To wit:
>  $ date
>  Thu Jun  7 20:59:44 CDT 2012
>  $ uptime
>  8:58PM  up 8 days, 22:30, 1 user, load averages: 0.07, 0.03, 0.01
>  $ last reboot
>  wtmp begins Tue Jun  5 17:00:58 CDT 2012
>  $
> 
> 'wtmp' has been rotated twice since the system was booted.

Maybe introducing something along the /etc/rc execution?
An /etc/rc.local entry like

	/bin/date "+%Y-%m-%d %H:%M:%S" > /var/log/thisboot.log

and then just look at the file. Requires at least one reboot
to take effect. :-)



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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