time and date

[Oliver Grawert]

hi,
Am Mittwoch, den 16.01.2013, 08:29 -0600 schrieb Cybe R. Wizard:
> On Wed, 16 Jan 2013 15:04:22 +0100
> Oliver Grawert <ogra at ubuntu.com> wrote:
> 
> I think ntp is a daemon and set of utilities, not a server:
> 
> (ntp)
> "This package contains the NTP daemon and utility programs.  An NTP
> daemon needs to be running on each host that is to have its clock
> accuracy controlled by NTP. ...  An NTP
> daemon needs to be running on each host that is to have its clock
> accuracy controlled by NTP."
> 
> One would run it in order to have the correct time set on their
> computer.  Why would one /not/ want it on a default installation?
> 
> that said, there /is/ ntpdate, but it says, "ntpdate by itself is
> useful for occasionally setting the time on machines that do not have
> full-time network access, such as laptops," so, unless the b ox is
> connected full time, ntp.

ntpd runs constantly, occupying constant resources, it opens a listening
port to the outside world by default which opens a possible attack
vector ...

ntpdate simply syncs with ntp.ubuntu.com once you establish a network
connection, unless you have a bad BIOS battery i doubt you will ever
need ntp installed on a laptop/desktop to keep your clock correct.

note that ntp is installed by default on ubuntu-server installs ...

ciao
	oli
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