Ubuntu – Unable to sync time using `ntpdate`, error: “no server suitable for synchronization found”

ntp

My ntp.conf file:

user@pc[0][07:37:40]:/etc$ cat /etc/ntp.conf
idriftfile /var/lib/ntp/ntp.drift
server 0.pool.ntp.org
server 1.pool.ntp.org
server 2.pool.ntp.org
server pool.ntp.org

Command output:

user@pc[0][07:37:24]:/etc$ sudo ntpdate -dv pool.ntp.org
18 Jun 07:37:35 ntpdate[10737]: ntpdate 4.2.4p8@1.1612-o Tue Apr 19 07:15:05 UTC 2011 (1)
Looking for host pool.ntp.org and service ntp
host found : conquest.kjsl.com
transmit(198.137.202.16)
transmit(216.45.57.38)
transmit(64.6.144.6)
transmit(198.137.202.16)
transmit(216.45.57.38)
transmit(64.6.144.6)
transmit(198.137.202.16)
transmit(216.45.57.38)
transmit(64.6.144.6)
transmit(198.137.202.16)
transmit(216.45.57.38)
transmit(64.6.144.6)
transmit(198.137.202.16)
transmit(216.45.57.38)
transmit(64.6.144.6)
198.137.202.16: Server dropped: no data
216.45.57.38: Server dropped: no data
64.6.144.6: Server dropped: no data
server 198.137.202.16, port 123
stratum 0, precision 0, leap 00, trust 000
refid [198.137.202.16], delay 0.00000, dispersion 64.00000
transmitted 4, in filter 4
reference time:    00000000.00000000  Thu, Feb  7 2036  0:28:16.000
originate timestamp: 00000000.00000000  Thu, Feb  7 2036  0:28:16.000
transmit timestamp:  d1a71a93.1f16c1e3  Sat, Jun 18 2011  7:37:39.121
filter delay:  0.00000  0.00000  0.00000  0.00000
         0.00000  0.00000  0.00000  0.00000
filter offset: 0.000000 0.000000 0.000000 0.000000
         0.000000 0.000000 0.000000 0.000000
delay 0.00000, dispersion 64.00000
offset 0.000000

server 216.45.57.38, port 123
stratum 0, precision 0, leap 00, trust 000
refid [216.45.57.38], delay 0.00000, dispersion 64.00000
transmitted 4, in filter 4
reference time:    00000000.00000000  Thu, Feb  7 2036  0:28:16.000
originate timestamp: 00000000.00000000  Thu, Feb  7 2036  0:28:16.000
transmit timestamp:  d1a71a93.524a05dd  Sat, Jun 18 2011  7:37:39.321
filter delay:  0.00000  0.00000  0.00000  0.00000
         0.00000  0.00000  0.00000  0.00000
filter offset: 0.000000 0.000000 0.000000 0.000000
         0.000000 0.000000 0.000000 0.000000
delay 0.00000, dispersion 64.00000
offset 0.000000

server 64.6.144.6, port 123
stratum 0, precision 0, leap 00, trust 000
refid [64.6.144.6], delay 0.00000, dispersion 64.00000
transmitted 4, in filter 4
reference time:    00000000.00000000  Thu, Feb  7 2036  0:28:16.000

transmitted 4, in filter 4
reference time:    00000000.00000000  Thu, Feb  7 2036  0:28:16.000
originate timestamp: 00000000.00000000  Thu, Feb  7 2036  0:28:16.000
transmit timestamp:  d1a71a93.524a05dd  Sat, Jun 18 2011  7:37:39.321
filter delay:  0.00000  0.00000  0.00000  0.00000
         0.00000  0.00000  0.00000  0.00000
filter offset: 0.000000 0.000000 0.000000 0.000000
         0.000000 0.000000 0.000000 0.000000
delay 0.00000, dispersion 64.00000
offset 0.000000

server 64.6.144.6, port 123
stratum 0, precision 0, leap 00, trust 000
refid [64.6.144.6], delay 0.00000, dispersion 64.00000
transmitted 4, in filter 4
reference time:    00000000.00000000  Thu, Feb  7 2036  0:28:16.000
originate timestamp: 00000000.00000000  Thu, Feb  7 2036  0:28:16.000
transmit timestamp:  d1a71a93.857c6fbd  Sat, Jun 18 2011  7:37:39.521
filter delay:  0.00000  0.00000  0.00000  0.00000
         0.00000  0.00000  0.00000  0.00000
filter offset: 0.000000 0.000000 0.000000 0.000000
         0.000000 0.000000 0.000000 0.000000
delay 0.00000, dispersion 64.00000
offset 0.000000

18 Jun 07:37:40 ntpdate[10737]: no server suitable for synchronization found

Best Answer

my ntp (/etc/ntp.conf) says

server 0.ubuntu.pool.ntp.org
server 1.ubuntu.pool.ntp.org
server 2.ubuntu.pool.ntp.org
server 3.ubuntu.pool.ntp.org

change yours to this and do it as root (sudo -i)

service ntp stop

do the changes:

service ntp start

test it

date

UPDATE: last night I have to configure a machine and found this that could be helpful

~# dpkg-reconfigure tzdata

You can set your time zone and exit (as root: sudo -i)

:~# dpkg-reconfigure tzdata


Current default time zone: 'America/Montevideo'
Local time is now:      Tue Mar  6 13:18:00 UYST 2012.
Universal Time is now:  Tue Mar  6 15:18:00 UTC 2012.

:~#
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