DST patch for RedHat Linux

[Jay Berryman]

You need to overwrite your old /etc/localtime file by performing the
following command:  This is a Central Time example.  cp
/usr/share/zoneinfo/America/Chicago /etc/localtime

Then run your zdump and it should report back the proper info.

-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of Sites, Brad
Sent: Tuesday, March 06, 2007 11:43 AM
To: General Red Hat Linux discussion list
Subject: RE: DST patch for RedHat Linux

This doesn't appear to work for me.  I have downloaded the file
tzdata2007c.tar.gz, decompressed it.  Ran "zic northamerica", then ran
timeconfig to make sure I was set to the correct time zone.  But,
running "zdump -v CST6DST |grep 2007" gives me this:

> zdump -v CST6DST |grep 2007
CST6DST  Sun Apr  1 05:59:59 2007 UTC = Sat Mar 31 23:59:59 2007 CST
isdst=0 gmtoff=-21600
CST6DST  Sun Apr  1 06:00:00 2007 UTC = Sun Apr  1 01:00:00 2007 DST
isdst=1 gmtoff=-18000
CST6DST  Sun Oct 28 04:59:59 2007 UTC = Sat Oct 27 23:59:59 2007 DST
isdst=1 gmtoff=-18000
CST6DST  Sun Oct 28 05:00:00 2007 UTC = Sat Oct 27 23:00:00 2007 CST
isdst=0 gmtoff=-21600

The CST6DST file under /usr/share/zoneinfo has a date of today, so I'm
assuming that was updated, but not sure how to get it to update
/etc/localtime.


-Brad


-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Young, Mike
Sent: Tuesday, March 06, 2007 11:20 AM
To: General Red Hat Linux discussion list
Subject: RE: DST patch for RedHat Linux

I decompressed the file and ran:

"zic northamerica"

The new timezone files were automagically put under /usr/share/zoneinfo,
and I was able to run "timeconfig" to update /etc/localtime.  Side-note:
if you're running 64-bit RHEL, you will probably need to update the
glibc RPM's as well... If you "zdump -v /etc/localtime" and get a
segmentation fault, you'll need them.

Mike.

 -----Original Message-----
From: 	redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com]  On Behalf Of m.roth2006 at rcn.com
Sent:	Tuesday, March 06, 2007 11:07 AM
To:	General Red Hat Linux discussion list
Subject:	RE: DST patch for RedHat Linux

>Date: Tue, 6 Mar 2007 08:13:20 -0600
>From: "Young, Mike" <Mike.Young at atosorigin.com>  
>Subject: RE: DST patch for RedHat Linux  
>
>I got this response from inode0 a while back:
>
>Q: (Redhat Mailing List) Does anyone know how to make a custom
/etc/localtime file on Red Hat in preparation for the upcoming DST
changes (March 11)? I have some older Red Hat builds (circa 7.x), and I
cannot find any glibc patches with the newer time zone information. On
other *nix flavors they are flat files, and can be edited with vi, but
with Red Hat they are binary.
>
>A: (inode0) Get the current zone files from
ftp://elsie.nci.nih.gov/pub.. Use zic to compile them, cp or link the
appropriate one to /etc/localtime, and perhaps run timeconfig or
whatever is available on your system.

Well, we're on RHEL 3 & 4, but I assume what's at NIH will work. Not
having done this before, do I just dump the code and the data into a
directory, and run zic on it, or...? The zic man page isn't real clear
on this.

   mark

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