Setting Time Zone on a server

[Gamoji Raghavendra]

Hi all,

How can I set the time zone on a server?
Is it shell specific setting or system-wide parameter?
Will a process automatically detect the change in time zone at runtime without restarting the process? (Esp. Java)

Any help in this regard is highly appreciated.

Thanks,
Raghu.

[Pete Randall · Accepted solution]

Use /sbin/set_parms timezone.

Pete

[Rita C Workman]

I have always used the 'set_parms' command to set this and certain other system values.

I also recommend after you change this that you reboot the system. I had to correct a timezone once, didn't reboot, and found out that cron didn't read the change until the reboot.

Just a thought,
Rita

[John Palmer]

Processes use the TZ environment variable in order to convert to local time (see man timezone).

TZ is sourced from /etc/TIMEZONE so to make a permanent change, you have to edit that file or run setparms to do it for you.

Processes that are already running will not detect the change. To ensure that all processes are updated, you'd have to reboot. Specific processes would have to be restarted wi th a modified TZ.

Regards,
John

[Trond Haugen]

1. /etc/set_parms timezone
2. System wide (but only after a reboot). You can set/change TZ in a shell.
3. No. The command above will change the TIMEZONE in /etc/TZ which is read as processes start. So in order to set the timezone the system needs to be rebooted.

Regards,
Trond

[Mahima Kaushik_2]

You can set time using SAM.

Enter SAM on prompt.
Click on TIME icon.

I hope it helps.
Mahima

[Gamoji Raghavendra]

Hey folks,
Thanks very much for the help.
Now, my doubt is resolved.

bye,
Raghu.