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Time synchronization on your debian machine

In order to synchronize the time on your debian machine you can use ntp. (apt-get install ntp) This will install ntp and the ntp daemon. Edit your configuration found in /etc/ntp.conf and add some ntp servers close to your current location.

I added some ntp servers for the Netherlands.

# pool.ntp.org maps to more than 300 low-stratum NTP servers.
# Your server will pick a different set every time it starts up.
#  *** Please consider joining the pool! ***
#  *** <http://www.pool.ntp.org/join.html> ***
server 0.nl.pool.ntp.org
server 1.nl.pool.ntp.org
server 2.nl.pool.ntp.org
server 3.nl.pool.ntp.org
# server 0.debian.pool.ntp.org iburst
# server 1.debian.pool.ntp.org iburst
# server 2.debian.pool.ntp.org iburst
# server 3.debian.pool.ntp.org iburst

Test afterwards by calling the ntptime command (run as root). It should look like this:

ntp_gettime() returns code 0 (OK)
  time cc5e6a21.5f5d5000  Tue, Aug 26 2008 13:40:17.372, (.372518),
  maximum error 1299815 us, estimated error 646 us
ntp_adjtime() returns code 0 (OK)
  modes 0x0 (),
  offset -141.000 us, frequency -36.781 ppm, interval 1 s,
  maximum error 1299815 us, estimated error 646 us,
  status 0x1 (PLL),
  time constant 6, precision 1.000 us, tolerance 512 ppm,

You can verify that your system clock was set ok now by calling the date command.

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