1

A couple of days ago, I updated the timezone on an Ubuntu 12.04 LTS server using $ sudo dpkg-reconfigure tzdata.

Today I noticed while tailing the mail log, that the times were still 15 hours behind. I immediately checked the server date but it's set to PHT as expected.

The following shows the last line of the terminated, tailed log (written just seconds earlier), followed by the data command.

Sep 20 01:24:07 s2 postfix/smtpd[13740]: disconnect from mail1282.news.laredoute.co.uk[208.85.54.19]
^C
root@s2:~# date
Fri Sep 20 16:24:12 PHT 2013

I've tried reloading Postfix, to no avail.

2

After changing the system time zone, you need to restart the system logger (or any other service that uses the timezone).

2

If Postfix is chrooted, you may need to copy /etc/localtime to your chroot/etc dir i.e: /var/spool/postfix/etc/localtime for Postfix to see it.

Make sure /etc/localtime is not a symlink, if it is, then you will need to copy the actual timezone file from /usr/share/zoneinfo/country/city

  • After backing up /var/spool/postfix/etc/localtime, I over-wrote it with the copy form /etc/localtime and restarted Postfix. It still hasn't picked up the changes, although I do note that the old localtime file that I backed up does have references to MST in it. – Peter Snow Sep 20 '13 at 9:50

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