January 2005
Intermediate to advanced
544 pages
23h 44m
English
Content preview from Linux Server Security, Second Edition
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Testing System Logging with logger
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and the global options time_reap( ), time_reopen( ), gc_idle_threshold( ),andgc_
busy_threshold( )
are useful for tuning syslog-ng’s performance to fit your particular
environment.
The official (maintained) documentation for Syslog-ng is the Syslog-ng Reference
Manual. PostScript, SGML, HTML, and ASCII text versions of this document are
included in the /doc directory of Syslog-ng’s source-code distribution.
For advanced or otherwise unaddressed issues, the best source of Sys-
log-ng information is the Syslog-ng mailing list and its archives. See
http://lists.balabit.hu/mailman/listinfo/syslog-ng for subscription infor-
mation and archives.
Testing System Logging with logger
Before we leave the topic of system-logger configuration and use, we should cover a
tool you can use to test your new configurations, regardless of whether you use sys-
log or Syslog-ng: logger. logger is a command-line application that sends messages to
the system logger. In addition to being a good diagnostic tool, logger is especially
useful for adding logging functionality to shell scripts.
The usage we’re interested in here, of course, is diagnostics. It’s easiest to explain
how to use logger with an example.
Suppose you’ve just reconfigured syslog to send all daemon messages ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.