Re: [PLUG] Time/Date problem

[Naresh Reddy <nyg102@psu.edu>]

Why is my time getting messed up in the first place? What is the "correct"
way of setting up time in Linux (Debian 2.2_R4)?

Thanks
Naresh


On Sat, 12 Jan 2002, Bill Jonas wrote:

> On Sat, Jan 12, 2002 at 12:08:24AM -0500, Naresh Reddy wrote:
> > I though you need broadband to use the time servers (24/hours internet). I
> > am on Dial-up, so I don't think thats possible for me.
>
> If you connect a couple times a day or more you could make a small
> script using rdate to synchronize with a time server and set the
> hardware clock.  On debian, you can simply put the script (make sure the
> file name does not contain a dot) in the /etc/ppp/ip-up.d directory.  It
> might look something like this:
>
> #!/bin/sh
> rdate time.server.here
> hwclock --systohc --utc #omit "--utc" if you have the BIOS clock set to
>                         #local time
>
> On other distributions, I think you just add the rdate and hwclock
> commands to the end of the /etc/ppp/ip-up script.
>
> The ip-up script contains commands that are to be run after a PPP
> connection is established.  (Conversely, the ip-down script contains
> commands to run after the PPP session is terminated.)  In Debian, the
> last command in this script runs all the scripts in the ip-up.d
> directory.  (Similarly, ip-down runs things in the ip-down.d directory.)
> Your distribution may do things slightly differently.
>
> The main drawback of rdate is that it does not keep track of and correct
> the drift in the system clock.  The ntp daemon, once it's been run long
> enough, figures out how much your clock typically drifts and adjusts for
> you automatically.  I suppose you could instead create scripts to run
> ntpd when you connect and stop it when you disconnect, too.
>
> --
> Bill Jonas    *    bill@billjonas.com    *    http://www.billjonas.com/
>
> Developer/SysAdmin for hire!   See http://www.billjonas.com/resume.html
>


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