Writing to System Logs Post: 302750889

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Operating Systems Linux Red Hat Writing to System Logs Post 302750889 by thmnetwork on Wednesday 2nd of January 2013 06:08:26 PM

01-02-2013

Registered User

You wouldn't be able to specify these particular files (the messages are routed to the destination files based on the facility/priority pair the program assigned to the message). However the files and the facility/priorities that write to them are pretty consistent across most distributions' default configurations, so you can usually be 90% sure of what file your log will end up in. For example, almost all distributions will route a "mail" facility message of any priority to the /var/log/maillog file, anything logged as "authpriv" to /var/log/secure etc. Linux distros don't have to do it that way, but they have adopted similar configurations just to stick with a common convention where possible.

Basically: by design, you won't be able to be sure that some mail-related message you generate will always end up in /var/log/maillog but if you log to the "mail" facility you can just know that /var/log/maillog is where it's going to end up on almost every major Linux distribution.

Last edited by thmnetwork; 01-02-2013 at 07:19 PM..

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LEARN ABOUT OPENDARWIN

syslog

SYSLOG(8)                                                         System Logging                                                         SYSLOG(8)

NAME

       syslog-ng, syslogd

DESCRIPTION

       There are different syslog daemon implementations supported as the system's syslog service, currently syslogd, syslog-ng and rsyslogd

       The  first  installed daemon activates itself for the syslog service. Starting with openSUSE-11.2, it is rsyslogd, before it was syslog-ng.
       But this depends on the software selection during the installation.

       The name of the daemon used as syslog service is specified in the
       SYSLOG_DAEMON variable in /etc/sysconfig/syslog.

       The yast2 sysconfig module provides a comfortable way to switch to another installed daemon and restart the service.

       The /etc/init.d/syslog init script is able to handle all supported daemons.

BUGS

       Please report bugs at <http://www.suse.de/feedback>

AUTHOR

       Juergen Weigert <jw@novell.com>
       Marius Tomaschewski <mt@novell.com>

SEE ALSO

       sysklogd(8) syslogd(8) syslog.conf(5) syslog-ng(8) syslog-ng.conf(5) rsyslogd(8) rsyslog.conf(5)

syslog                                                               May 2008                                                            SYSLOG(8)