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Time change on Sun Solaris

Posted on 2008-10-25
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Last Modified: 2013-11-21
I need to change time from BST to GMT on our sun solaris web server - SUN V220. Could any one let me know how can I do that ?

I think Date command might be giver unpredictable results...

I tried zoneadm list -v command to check zone but it doesn't show anything..
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Question by:prashndip
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StrongBad_Rules earned 500 total points
ID: 22805019
http://www.experts-exchange.com/Operating_Systems/Solaris/Q_21325413.html

You need to do the followings:

For a list of the TIMEZONE you can use have a look at:
ls /usr/share/lib/zoneinfo
1. edit /etc/TIMEZONE file, change the TZ variable (I've done this)
  you might need to change the LC_TIME var if required

2.reboot

3. use "date" command to change the time to the local time.

man date
to learn more details.
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Author Comment

by:prashndip
ID: 22805239
It is not possible to reboot this server for this change, any other solution ?
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Author Comment

by:prashndip
ID: 22805517
Hi StrongBad,

Could you please explain,
 1. edit /etc/TIMEZONE file, change the TZ variable (I've done this)
  you might need to change the LC_TIME var if required

I am doing it right now,

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Author Comment

by:prashndip
ID: 22805535
I gave command

edit /etc/timezone
then it showing below o/p
:
Then I gave TZ=GMT
but its showing that this is not editor command.

Please anyone help me on this ASAP......
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LVL 8

Assisted Solution

by:StrongBad_Rules
StrongBad_Rules earned 500 total points
ID: 22818172
There are 2 steps that you need to follow:
1.  Did you look in the /usr/share/lib/zoneinfo to see if the appropriate file exists.  If not, you need to use the /usr/sbin/zic to create it.
2.  Then edit the /etc/TIMEZONE.  You have to reboot the system because all child processes of init use the original setting when it was started.

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