[ros-users] ntp and multi-machines

[Enea Scioni]

Sure!
On my laptop the output is:
$ ntpdate -q 127.0.0.1
server 127.0.0.1, stratum 3, offset -0.000012, delay 0.02565
 5 May 19:22:28 ntpdate[5000]: adjust time server 127.0.0.1 offset -0.000012
sec

and

$ ntpdate -q 134.58.255.1
server 134.58.255.1, stratum 2, offset -0.000195, delay 0.02599
 5 May 19:22:57 ntpdate[5001]: adjust time server 134.58.255.1 offset
-0.000195 sec

where 134.58.255.1 is the server ip.

Instead, on embedded board:
$ ntpdate -q 127.0.0.1
server 127.0.0.1, stratum 0, offset 0.000000, delay 0.00000
 1 Jan 01:08:09 ntpdate[1535]: no server suitable for synchronization found
 
(expected, because there isn't the ntp deamon running on embedded board),
and
$ ntpdate -q 10.8.30.30
server 10.8.30.30, stratum 3, offset 1273079765.187633, delay 0.02666
 1 Jan 01:09:58 ntpdate[1541]: step time server 10.8.30.30 offset
1273079765.187633 sec

where 10.8.30.30 is the ip assigned at my pc on LAN.

Enea Scioni

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