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Syslog in Solaris

 Syslog is system messaging feature 

which takes system activities and 

events which can be helpful for an

administrator to maintain the system 

and  for troubleshooting tasks.


Daemon : Syslogd


Database Files:


/etc/syslog.conf : This file contains two

different fields.

a). Selector 

b). Action


a. Selector: It specifies that at which 

   event system report is to be generated.

   It is sub-divided into two parts:


    1. Facility : It specifies report 

       generation based on activities 

       in regards to user process,mail-system

       ,authorisation process,daemons,

       scheduler facilities etc.

     

    2. Level : It defines importance of message 

       system task.There are various levels such as 

       Emerg for panic conditions , Crit for critical

       conditions , Warning messages , info for

       informational messages.


b. Action: Action is nothing but a location 

   of the file where these messages will be 

   stored.



Log Files 


1. /var/log/syslog : It holds boot information.


2. /var/adm/messages : It holds all system messages.


3. dmesg : It will show logs during boot. 

    Syslogd daemon runs microprocessor 

    which reads syslog.conf file and processes

    as per the statement written in it , then the 

   output is redirected to syslogd daemon.



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