configuring the timezone in your dedicated server

To set time to UTC/GMT

vi /etc/sysconfig/clock

Replace with

FOR GMT

ZONE="UTC"

For IST

ZONE="Asia/Kolkata"

Delete localtime file

rm -f /etc/localtime

Create symlink to proper zone file

For GMT

ln -s /usr/share/zoneinfo/UTC /etc/localtime

For IST

ln -s /usr/share/zoneinfo/Asia/Calcutta /etc/localtime

If you need it set to America/New_York time, use following command

ln -s /usr/share/zoneinfo/America/New_York /etc/localtime

Update time from ntp server

yum install rdate
/usr/bin/rdate -s time-a.nist.gov

AUTO UPDATE TIME

List of time servers available at

Set Cronjob to update time daily

/usr/bin/rdate -s time-a.nist.gov

crontab -e

Add

0 0 * * * /usr/bin/rdate -s time-a.nist.gov

This will update server time everyday at 0 hours.

To set date from command line

date -s "13 FEB 2010 12:54:00"