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|mnoGoSearch 3.2.43 reference manual: Full-featured search engine software|
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mnoGoSearch indexer uses syslog to log its messages. Different verbose levels could be specified with -v option:
Table 3-1. Verbose levels
|0||SILENT||suppress all logs. Bad idea, better use -l option.|
|1||ERROR||log only critical errors|
|2||WARNING||log warnings as well|
|3||INFO||add info messages to log. Default.|
|5||DEBUG||for debug purposes|
You may use -l option to suppress log to stdout/stderr when running indexer via crontab. Without the -l option, logs are sent both to stdout/stderr and to the log files. If you do not like such behavior, run configure with --disable-syslog flag and recompile the indexer. Compiled without syslog support, indexer uses only stdout/stderr.
Syslog uses different facilities to separate log messages. The indexer's default facility is LOCAL7. Facility could be changed during configure with --enable-syslog=LOG_FACILITY option. LOG_FACILITY should be one of the standard facilities, usually listed in /usr/include/sys/syslog.h header file.
Facility helps to separate mnoGoSearch messages from others. You can modify /etc/syslog.conf to tell syslog how to treat mnoGoSearch messages. For example:
# Log all messages from mnoGoSearch to separate file local7.* -/var/log/mnoGoSearch.log
# Send all mnoGoSearch messages to host named central # Syslog on central should be configured to allow this local7.* @central
By default all messages are logged to /var/log/messages as well. mnoGoSearch could populate this file with a number of messages. To avoid this, add local7.none or local7.!* (ignore any messages from local7 facility) to your 'catch-all' log files.
# # Some `catch-all' logfiles. # *.=info;*.=notice;*.=warn;\ auth,authpriv.none;\ cron,daemon.none;\ mail,news.none;\ local7.!* -/var/log/messages
Please take a look at syslogd(8) and syslog.conf(5) man pages for more detailed information about syslog and its configuration notes.