My friend noticed the same thing. I've tested it, here's result. Kubuntu runs two instances of ntpd when /etc/init.d/ntp-server script is run on system startup.
[EMAIL PROTECTED]:~# date; ps aux | grep ntpd Thu Jan 25 23:30:05 CET 2007 ntp 4851 0.0 0.3 3732 3732 ? SLs 23:23 0:00 /usr/sbin/ntpd -p /var/run/ntpd.pid -u 110:117 root 4880 0.0 0.1 3732 1048 ? S 23:23 0:00 /usr/sbin/ntpd -p /var/run/ntpd.pid -u 110:117 root 5405 0.0 0.0 2812 776 pts/2 S+ 23:30 0:00 grep ntpd Now lets stop it. Only one instance is stoped by the script. [EMAIL PROTECTED]:~# date; /etc/init.d/ntp-server stop; ps aux | grep ntpd Thu Jan 25 23:31:30 CET 2007 * Stopping NTP server... [ ok ] root 4880 0.0 0.1 3732 1048 ? S 23:23 0:00 /usr/sbin/ntpd -p /var/run/ntpd.pid -u 110:117 root 5431 0.0 0.0 2812 772 pts/2 S+ 23:31 0:00 grep ntpd but lets wait a while, and ... [EMAIL PROTECTED]:~# date; ps aux | grep ntpd Thu Jan 25 23:32:11 CET 2007 root 5438 0.0 0.0 2812 768 pts/2 S+ 23:32 0:00 grep ntpd Now lets start ntpd. [EMAIL PROTECTED]:~# date; /etc/init.d/ntp-server start Thu Jan 25 23:34:02 CET 2007 * Starting NTP server... [ ok ] Everything looks ok. [EMAIL PROTECTED]:~# date; ps aux | grep ntpd Thu Jan 25 23:35:22 CET 2007 ntp 5456 0.0 0.3 3708 3708 ? SLs 23:34 0:00 /usr/sbin/ntpd -p /var/run/ntpd.pid -u 110:117 root 5462 0.0 0.0 2808 764 pts/2 S+ 23:35 0:00 grep ntpd ii ntp 4.2.0a+stable-9ubuntu2 ii ntp-doc 4.2.0a+stable-9ubuntu2 ii ntp-server 4.2.0a+stable-9ubuntu2 ii ntp-simple 4.2.0a+stable-9ubuntu2 ii ntpdate 4.2.0a+stable-9ubuntu2 My friend has found the solution. (http://thread.gmane.org/gmane.linux.debian.devel.bugs.general/202577/focus=202577) -- Two instances of ntpd are launched, only one is stopped by the init script https://launchpad.net/bugs/50406 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs