Re: time shift in CEST

On Thu, 26 Oct 2006, Grazyna Rymaszewska wrote:

Hello everybody!

We are expecting time shift by 1 hour ahead on Sunday.

Back?

I hope it will be done automaticly, but I am not sure if the settngs
in my servers are correct.

On one server in /etc/sysconfig/clock we have:
Zone='Europe/Warsaw'
UTC=true
ARC=false

If UTC=true (and your hardware clock is set to UTC), then Linux will do the right thing under any circumstances (assuming tzdata specifies the right thing...).


On the other server in /etc/sysconfig/clock:
Zone='Europe/Warsaw'
UTC=false
ARC=false

If UTC=false (and your hardware clock is local time), then RH Linux will do the right thing only if it is running at the time of the change. It will also correct the hardware clock at the next reboot. If the system is off at the change time, it will assume at next startup that the hardware clock contains the correct local time, so you will need to set that manually.

I always set servers to UTC=true for this reason.

(Note that dual-boot Windows machines have a very hard time with this.)


When I type 'date' there is: Thu Oct 26 .. CEST 2006

Should I set something else?

Regards,
Graza




--
Matthew Saltzman

Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs

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