Using ntpdate(8) and UK time servers

Dominic Mitchell dom at
Sun Sep 26 22:20:22 BST 1999

On Sun, Sep 26, 1999 at 06:13:20PM +0100, Mark Ovens wrote:
> 2 quick questions. Where is there a list of ntp servers in the UK

Pass.  Your ISP may well have a couple lying around.  Consult their dns.  :-)

> and is using ntpdate(8) as simple as adding
> 	bg ntpdate <URL of ntp server>
> to /etc/ppp/ppp.linkup so that my PC's clock is synch'd every time
> I dial my ISP.

Not that simple.  If you only ever run ppp as root, then fine, it will
work.  If (like me) you run ppp as a lowly user, then it won't work
because it will be running with non-root privs.  The correct answer is
to write a setuid wrapper (not always a terribly easy solution...) or to
do what I do which is to correct my clock about once a month (when I
remember by doing "sudo ntpdate ntphost1 ntphost2 ntphost" or whatever.
If you don't already have sudo installed, it's probably a worthwhile


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