[mdlug] Are you an April fool?

[Mike]

R Kannan wrote:
> Dr. Meier,
>
> This did not work for me. I am running SuSE 9.0 on one of my machines,
>
> zdump -v /etc/localtime | grep 2007
>
> yielded me
>
> /etc/localtime  Sun Apr  1 06:59:59 2007 UTC = Sun Apr  1 01:59:59 2007
> EST isdst=0 gmtoff=-18000
> /etc/localtime  Sun Apr  1 07:00:00 2007 UTC = Sun Apr  1 03:00:00 2007
> EDT isdst=1 gmtoff=-14400
> /etc/localtime  Sun Oct 28 05:59:59 2007 UTC = Sun Oct 28 01:59:59 2007
> EDT isdst=1 gmtoff=-14400
> /etc/localtime  Sun Oct 28 06:00:00 2007 UTC = Sun Oct 28 01:00:00 2007
> EST isdst=0 gmtoff=-18000
>
> So I downloaded tzdata2007c.tar.gz (note that tzdata2007b was not there
> at the FTP site) uncompressed and extracted northamerica.
>
> My timezone was set as 'Michigan' (the path name was
> /usr/share/zoneinfo/US/Michigan) and so I issued the command
>
> zic northamerica -l US/Michigan
>
> zdump still shows the same. Should I have to use different options to
> 'zic'?
>
> Thanks
>
>
> On Sun, 2007-02-18 at 19:27, Robert Meier wrote:
>
>> In accordance with the Energy Policy Act of 2005,
>> the United States will begin Daylight Savings Time 3 weeks early this
>> year.
>>
>> Starting in 2007, Daylight Savings Time will begin the 2nd Sunday of
>> March and end the first Sunday of November.
>>
>> In addition to your watch and alarm clock, you'll need to update your
>> computer.
>>
>> If you have a unix box (e.g. Mac, solaris, linux) you may be ready now.
>> If you haven't changed hardware or otherwise rebooted your unix box
>> more recently than 2005, you will probably need to update.
>>
>>
>>
>> You can check by typing into a shell:
>>     bash> zdump -v /etc/localtime | grep 2007
>> (Your distro probably has a graphical tool as well, check your
>> documentation.)
>> (Your distro may require admin privileges to run zdump.)
>>
>> You are ready, if you see:
>>     est5edt  Sun Mar 11 06:59:59 2007 UTC = Sun Mar 11 01:59:59 2007 est
>> isdst=0 gmtoff=-18000
>>     est5edt  Sun Mar 11 07:00:00 2007 UTC = Sun Mar 11 03:00:00 2007 edt
>> isdst=1 gmtoff=-14400
>>     est5edt  Sun Nov  4 05:59:59 2007 UTC = Sun Nov  4 01:59:59 2007 edt
>> isdst=1 gmtoff=-14400
>>     est5edt  Sun Nov  4 06:00:00 2007 UTC = Sun Nov  4 01:00:00 2007 est
>> isdst=0 gmtoff=-18000
>>
>> You need to update your locale settings, if you see:
>>     est5edt  Sun Apr  1 06:59:59 2007 UTC = Sun Apr  1 01:59:59 2007 est
>> isdst=0 gmtoff=-18000
>>     est5edt  Sun Apr  1 07:00:00 2007 UTC = Sun Apr  1 03:00:00 2007 edt
>> isdst=1 gmtoff=-14400
>>     est5edt  Sun Oct 28 05:59:59 2007 UTC = Sun Oct 28 01:59:59 2007 edt
>> isdst=1 gmtoff=-14400
>>     est5edt  Sun Oct 28 06:00:00 2007 UTC = Sun Oct 28 01:00:00 2007 est
>> isdst=0 gmtoff=-18000
>>
>>
>> If you need to update:
>>
>> 0. (Ask your sysadmin or put on your sysadmin hat.)
>>
>> 1. Download the current (as of 2007.02.15) timezone information from
>>      ftp://ftp://elsie.nci.nih.gov/pub/tzdata2007b.tar.gz
>>    or your favorite source of technical/legal standards.
>>
>> 2. Unpack the data for your locale.
>>      bash> tar -zxvf tzdata2007b.tar.gz northamerica
>>
>> 3. Install the data for your locale.
>>      bash> zic northamerica
>>    (Your distro may require you to explicitly set your timezone again
>>     in order to update your executable locale settings.)
>>
>> 4. Repeat the above test.
>>    You should see "Mar 11" and no longer be an April Fool.
>>
>>
>> For further details, read the README file in the .tar.gz file above.
>>
>> Enjoy,

A good article posted in the past couple days at Slashdot:

http://www.linux-watch.com/news/NS6300294422.html