How do I know when my Ubuntu was installed?

[Oliver Grawert]

hi,
On Mo, 2016-09-05 at 03:17 +0200, Ralf Mardorf wrote:
> On Mon, 05 Sep 2016 00:48:11 +0200, Oliver Grawert wrote:
> > 
> > sadly the ls command will only give you the last modification time
> 
> Hi,
> 
> indeed and even the hostname file could be completely deleted and
> recreated, not only be modified. Your hint using /var/log/installer/
> is
> better, however, for /var/log/installer/ the "ls -l" command should
> already do the job :).
> 
> It's mentioned by the link I posted...
whoops, sorry, i didnt open the link ...
...
> 
> In my case the date is mentioned by
> /var/log/installer/media-info, too, perhaps because it was a
> development release, that perhaps was downloaded on the same day I
> installed Ubuntu.
...
actually "built the same day" ;)

media-info is put in place during build of the rootfs (originally that
file was added for nexus7 and toshiba ac100 images in raring (13.04) in
livecd-rootfs 2.104, later it got used in all images)

ciao
	oli
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