[ntp:questions] need help installing gps with ntp on Linux

Uwe Klein uwe at klein-habertwedt.de
Sun Feb 12 10:44:34 UTC 2012

Ron Frazier (NTP) wrote:
> Hi Uwe,
> Thanks for the note. I've spent most of the day troubleshooting this. 
> Your suggestion to check the error logs helped me find a solution. I 
> found an error by apparmor in the syslog. I'll post the complete 
 > procedure to get it working once I've had a chance to write it up.
 > Basically, though, I had to edit the apparmor tunable profile for ntpd
 > to allow ntpd to access /dev/gps1 or /dev/gps5, then restart apparmor,
 > then restart ntpd. Once I did that, the dominos started falling into
 > place. I'm now on my way to having a functional system.

apparmor was an issue on SuSE some time ago ( now fixed and there is
YAST2 help for adjusting profiles now ).
( I didn't know/think about Ubuntu using apparmor )


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