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This article describes the logs generated by VoipNow components and provides the methods to configure them. 

Step-by-step guide

VoipNow web interface

To see what requests are being performed on the web interface, or if you have errors, check the following logs:

/usr/local/voipnow/admin/log/access.log
/usr/local/voipnow/admin/log/error.log

Configuration

The configuration file is  /usr/local/voipnow/admin/conf/voipnow.conf

To change the debug level, check the following lines:

# Error handling
    access_log /usr/local/voipnow/admin/log/access.log main;
    error_log /usr/local/voipnow/admin/log/error.log notice;

where error_log can be [debug | info | notice | warn | error | crit | alert | emerg]

PHP

This log is useful in case of web interface issues.

You can find the log file here: 

/usr/local/voipnow/admin/log/php_error.log

The loglevel in this file is defined by the level set in table hs_audit_zone (default 3, maximum 7)

Kamailio

The Kamailio log is useful in case you have problems with calls, registration or any other call-related issue, except for audio issues.

You can find the log here: 

/var/log/kamailio/kamailio.log

Configuration

The configuration file is in /etc/kamailio/kamailio.cfg

debug=-1
facility_sql=no
facility_sipmsg=no
facility_hr=no

where debug can have values from  -1 to 9.

You can also enable various facilities to add extra information to the logs. For example, facility_sipmsg will include the SIP packets in the log. 

For example, the debug level can be set to level 3 example with the following command:

kamctl fifo debug 3

The change immediately becomes active and no restart is required. 

Asterisk

The Asterisk log is useful in case of call-related issues. You can find the log files here: 

/var/log/asterisk/messages

Or directly in the console, using the following command:

asterisk -rcvvvvvvvvvvvvvv

Configuration

The content of the log file or of the console is configurable in /etc/asterisk/logger.conf:

console => notice,warning,error ; what to log on console (add "fax" to log the fax error messages as well)
messages => notice,warning,error        ; what to log on messages

Extra flags like moh, fax, sip and rtp are available. Loglevel can be configured from the asterisk cli.

For example, to set debug and verbose to level 1111, run the following command:

asterisk -rx "core set debug 1111"
asterisk -rx "core set verbose 1111"

Hubring

You can find the Hubring log here:

/var/log/hubring/hubring.log

It is recommended to troubleshoot service issues - for example, if Hubring does not start. 

To see all operations performed with Hubring key, run the following command:

hr-cli -dp <password> -n 10 monitor

where password is the dbkey value from /etc/hubring/hubring.conf)

Database

The log files created by MariaDB are the following:

/var/lib/mysql/<hostname>.err  #mainly startup/shutdown messages
/var/lib/mysql/<hostname>.log  #queries ran in mysql by all applications

To see all queries performed in the database, in the log file, run the following command:

mysql -u`cat /etc/voipnow/.sqldb | awk -F ":" '{print $2}'` -p`cat /etc/voipnow/.sqldb | awk -F ":" '{print $3}'` voipnow -e 'set global general_log=ON;'

To disable the log, run the same command, but use general_log=OFF instead of general_log=ON. This will log all queries performed in MySQL in the  /var/lib/mysql/<hostname>.log file.

Postfix

To troubleshoot mailing issues, use the Postfix log file located here:

/var/log/maillog

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