Friday, March 25, 2011

How to change the timezone in redhat or centos linux system


Suppose your zone is CDT and you want to Change it to IST

The steps are as follows :

[root@server ~]# date
Fri Mar 25 00:28:23 CDT 2011
Remove the localtime file [You can take a backup copy if you want]
[root@server ~]# rm -rf /etc/localtime

Link the desired zone to /etc/localtime
[root@server ~]# ln -s /usr/share/zoneinfo/Asia/Kolkata /etc/localtime
[root@server ~]# date
Fri Mar 25 10:59:02 IST 2011
[root@server ~]#

Thats it.

If you want to see time of any Country, Japan[say]. You can get it as.

[root@server ~]# zdump Japan
Japan  Fri Mar 25 14:32:48 2011 JST
[root@server ~]#

You can also do this with tzselect command. Read how to change timezone using the tzselect

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