From: <Philip.Edwards_at_email.protected>
Date: Fri, 28 Mar 2008 14:32:21 +1100

Hi VLBIobs-ers,

As per Shaun's email below, there are probably computers out there
planning to change back from daylight saving this weekend. Observing
systems are presumably isolated from the seasonal toying with time, but
just in case...

Cheers,
Phil

>-----Original Message-----
>From: Amy, Shaun (ATNF, Marsfield)
>Sent: Friday, 28 March 2008 1:50 PM
>To: Lennon, Brett (ATNF, Narrabri); Troup, Euan (ATNF, Narrabri);
>Brodrick, David (ATNF, Narrabri); Spratt, Gina (ATNF, Parkes);
Reynolds,
>John (ATNF, Parkes); Mader, Stacy (ATNF, Parkes)
>Cc: Edwards, Phil (ATNF, Narrabri); Hiscock, Brett (ATNF, Narrabri);
>Dawson, Brett (ATNF, Parkes); McIntyre, Vincent (ATNF, Marsfield);
>McConnell, David (ATNF, Marsfield); Stibbs, Helen (CSIRO IM&T,
Marsfield);
>Pope, Nathan (CSIRO IM&T, Marsfield); Amy, Shaun (ATNF, Marsfield);
Maher,
>Tony (ATNF, Marsfield); Schinckel, Antony (ATNF, Marsfield)
>Subject: Daylight Saving timezone changes for 2008
>
>Hi,
>
>As you may be aware, NSW (and some other states) are once again
changing
>the dates on which daylight saving occurs. This year (and hopefully
>forever more), we will return to standard time on the first Sunday in
>April (rather than the last Sunday in March) and implement daylight
saving
>on the first Sunday in October (rather than the last Sunday in
October).
>
>The means we need to update the timezone data on our UNIX machines (I
>assume there is a patch for Windows and MacOS/X). We have done this
>before so with some modification to existing scripts, we should be
able to
>implement this fairly easily.
>
>At Marsfield, in /nfs/sysadm/TZ, the following exists:
>
>- sol-deb-tzupdate-2008.sh : this is the script that
>does the work on Solaris and Debian (and possibly
>Ubuntu).
>
>- australasia-2008b : the actual file containing the
>timezone rules.
>
>- backward-2008b : a file containing a mapping of old
>and new timezone names.
>
>The script should install the new files, rename the old files and send
e-
>mail as appropriate (typically to myself as I am likely to be the only
one
>monitoring things over the weekend). I have added the script to
"ajax"
>(on Solaris at Marsfield) and the "rc.daily" for the Debian 'sarge'
>release (as long as your 'etch' release is updated then it has the new
>rules).
>
>Brett has already done most of the Narrabri and Mopra machines and
>provided a very good checking mechanism for me (thanks Brett!).
>
>Someone needs to grab the scripts, modify the location the TZ files
and do
>Parkes (if they wish).
>
>Fingers crossed!
>
>Regards, Shaun.
Received on 2008-03-28 14:32:43