set the clock to UTC? sudo ln -sf /usr/share/zoneinfo/UTC /etc/localtime
sudo apt-get install ntpd //ensure that port 123 is open
sudo nano /etc/ntp.conf
ntpdate ntp.ubuntu.com
server ntp.nasa.gov iburst server 0.us.pool.ntp.org server 1.us.pool.ntp.org
make your own server use it's own clock - network outages
server 127.127.1.0
fudge 127.127.1.0 stratum 10
Allow LAN to synchronize with this ntp server
restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap restrict 192.168.2.0 mask 255.255.255.0 nomodify notrap
allow localhost access without restrictions
restrict 127.0.0.1
sudo /etc/init.d/ntp restart
tail -f /var/log/syslog
ntpq -c lpeer ntpd -q ntpd -p
//MANUAL SINGLE UPDATE sudo ntpdate ntp2b.mcc.ac.uk ntpdate ipofntpserver
date -s "14 DEC 2009 02:37:00"
Synchronized Network time is very important for logs
apt-get install ntp
/etc/ntp.conf
If you had a cron job
/etc/cron.daily/ntpdate
You may want to use the larger pool of ntpdate pool.ntp.org
/etc/ntp.conf
server pool.ntp.org