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[Bug 1376971] Re: /usr/bin/last is using UTC rather than local time for login

 

Yes, this is a new problem that didn't exist in any prior releases of
Ubuntu, nor any other distribution of Linux or Unix that I have used.  I
ran utmpdump as you described; all entries looked correct.

As far as I know, my system's clock is set in UTC:
$ date
Fri Oct  3 16:30:08 EDT 2014
$ date -u
Fri Oct  3 20:30:09 UTC 2014

I will do the following and report back:
1.  Wipe out wtmp file and reboot.  I noticed that an update yesterday included something about time zones.
2.  Do a clean install to see if that makes a difference.   The problem may have been due to upgrading from 14.04 to 14.10 rather than doing a clean install. 

Thanks for looking at this so quickly, and telling me about utmpdump.  I
didn't know the command existed.

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https://bugs.launchpad.net/bugs/1376971

Title:
  /usr/bin/last is using UTC rather than local time for login

Status in “sysvinit” package in Ubuntu:
  New

Bug description:
  I upgraded from 14.04 to 14.10.  When I run /usr/bin/last, which
  relies on /var/log/wtmp, I get the following output (note:  I replaced
  my login name with XXXX):

  XXXX     pts/8     :0               Thu Oct  2 20:40   still logged in   
  XXXX     pts/2     :0               Thu Oct  2 20:36   still logged in   
  XXXX     pts/2     :0               Thu Oct  2 18:55 - 20:30  (01:34)    
  XXXX     :0           :0               Thu Oct  2 18:54   still logged in   
  reboot   system boot  3.16.0-20-generi Thu Oct  2 22:54 - 20:41  (-2:-12)   
  XXXX     pts/9     :0               Thu Oct  2 18:38 - 18:52  (00:14)    
  XXXX     pts/0     :0               Thu Oct  2 18:35 - 18:53  (00:17)    

  Note that for the XXXX login, the session's start and stop time are
  both shown in local time.  However, for the reboot line, the start
  time is shown in UTC (i.e. Greeenwich) time and the current time is
  shown in local time, which gives rise to the negative elapsed time.

  I tried emptying the /var/log/wtmp file and rebooting.  No luck.

  Possibly wtmp is being written to before the time zone can be
  established.  My time zone is EDT (US/Eastern, same time zone as New
  York).

  When I run the linux "date" command, the time zone is shown correctly.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: sysvinit-utils 2.88dsf-41ubuntu18
  ProcVersionSignature: Ubuntu 3.16.0-20.27-generic 3.16.3
  Uname: Linux 3.16.0-20-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Oct  2 20:38:10 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-04-20 (165 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  SourcePackage: sysvinit
  UpgradeStatus: Upgraded to utopic on 2014-10-02 (0 days ago)

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