Re: [Gumstix-users] re ading syslog

[cching <cal...@gm...>]

Hi David,

Do you mind sending me your syslog-ng.config and syslog.config files so I
can compare?

Regards,
Calvin


David Abdurachmanov wrote:
> 
> I don't know which syslog implementation you are running e.g. I am running
> syslog-ng, but I would suggest looking at it's configuration. Check
> destinations, filters, etc. to make sure that those messages are routed
> correctly to required log file.
> 
> -david
> 
> 
> cching wrote:
>> 
>> Hi Markus,
>> 
>> Good point about the stdout and stdin streams being closed (they are). As
>> for user.log, this file does not exist. Existing files:
>> 
>> root@overo:~# ls /var/log
>> ConsoleKit  auth.log    debug     lastlog   syslog
>> Xorg.0.log  daemon.log  kern.log  messages  wtmp
>> 
>> Also, a ps -ef shows the syslogd running:
>> 
>> ...
>> root       829     1  0 05:33 ?        00:00:00 /sbin/syslogd -n -C64 -m
>> 20
>> 
>> I also see the following during bootup: 
>> 
>> Starting syslogd/klogd: done
>> 
>> So it appears syslogd has started. 
>> 
>> Regards,
>> Calvin
>> 
>> 
>> 
>> Markus Svilans-2 wrote:
>>> 
>>> Hi Calvin,
>>> 
>>> If your program runs as a daemon, then the stdout and stdin streams are 
>>> probably closed, and you will not see any console output from syslog.
>>> 
>>> To check if your syslog is working, run this command on your Gumstix:
>>> 
>>> tail /var/log/user.log
>>> 
>>> 
>>> 
>>> Markus
>>> 
>>> 
>>> On 24-May-2011 12:11, cching wrote:
>>>> Hi Markus,
>>>>
>>>> Thank you for the quick response. Below is my code:
>>>>
>>>>     ...
>>>>     // configure daemon to write to syslog
>>>>     openlog("CANgrab_server",LOG_PID,LOG_USER);
>>>>     syslog(LOG_NOTICE, "Daemon started\n");
>>>>
>>>> I also tried to have "LOG_CONS|LOG_PID" as the option field in
>>>> openlog() in
>>>> the event that if syslog fails, syslogd writes to the console. However,
>>>> nothing is written to console so it appears that the write to syslog is
>>>> successful.
>>>>
>>>> Thanks,
>>>> Calvin
>>>>
>>>>
>>>> Markus Svilans-2 wrote:
>>>>> Hi Calvin,
>>>>>
>>>>> I have been using syslog successfully on the Overo for quite some
>>>>> time.
>>>>>
>>>>> Can you show your code that opens the log, and writes to the log?
>>>>>
>>>>> When I call the openlog() function, I set the facility parameter to
>>>>> LOG_USER. Then all of my log messages appear in "/var/log/user.log".
>>>>>
>>>>> On a side note,
>>>>> If your Overo will be running for extended time periods with logging
>>>>> enabled, you might also be interested in checking out logrotate, to
>>>>> prevent the log files from absorbing all of the free disk space.
>>>>>
>>>>> Regards,
>>>>> Markus
>>>>>
>>>>>
>>>>>
>>>>> On 24-May-2011 02:50, cching wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I wrote a daemon in C and am trying to log my messages/prints via
>>>>>> syslog.
>>>>>> I'm able to log and read them successfully when I ran my daemon in my
>>>>>> Linux
>>>>>> VM (on my laptop). However, when I run it on the Overo COM, none of
>>>>>> my
>>>>>> messages get logged in syslog (ie. does not appear in
>>>>>> /var/log/syslog).
>>>>>> I'm
>>>>>> wondering if anyone has come across this issue before and has some
>>>>>> suggestions?
>>>>>>
>>>>>> Thanks for the help.
>>>>>>
>>>>>> Calvin
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>> 
>> 
> 
> 

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