SNMP4Nagios
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2. History

SNMP4Nagios started when I wanted to monitor the hardware of a number of hosts. Previous experience had shown that remote execution via ssh was not performant enough and SNMP seemed to be the common denominator for most systems involved.

At first I developed shell scripts which used snmpget. This worked for a while, but around the 20th monitored machine the monitoring server was no longer able to cope with the load. Considering this a challenge, I started to rewrite the plugins using C. People kept asking “Can you monitor whatever?” and I kept answering “Configure SNMP and allow the server to access the agent, then I will check it.” and thus plugins for various platforms were developed.

2.1. What's New?

2.1.1. Version 0.4, 2007-05-09

  • Added plugins for Net-SNMP/lm-sensors.
  • Added plugins for Cisco VPN Concentrators.
  • Added memory check for Windows/SNMP Informant.
  • Added memory check for Net-SNMP.
  • Added support for “old-style” Cisco CPU usage.
    Incompatible change: The scanner interface of check_cisco_cpuusage was changed to report whether the old or new OIDs should be queried.
  • Incompatible change: The scanner interface of check_cisco_mem was changed to report an alternate memory pool.
  • Fixed a lot of bugs.
  • James T. Saint-Rossy contributed a patch which allows SNMP4Nagios to compile on Solaris 9. Thank you James!

2.1.2. Version 0.3, 2006-03-11

  • Added “Nagios Plugins” style performance data.
  • Added compilie time option “--without-rrd”.
  • Replaced non-portable functions (asprintf(), basename()).
  • Improved configure output.

2.1.3. Version 0.2, 2006-02-05

  • Using autoconf/automake build system.
  • Support for new rrd_graph signature (i. e. RRDTool 1.2.x).
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