High performance string concatenation in Python

Posted on November 1st, 2011 by lausser

During evaluation of the migration of a customer’s Nagios installation to the Shinken monitoring system, i encountered a strange problem. Reading the configuration from a few files (hosts.cfg, services.cfg, etc) took a reasonable amount of time. But as soon as i divided the configuration into lots of smaller files (one directory for each host with several services files within), it took nearly an hour. What happened?

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Halloween Update: Jmx4Perl 1.01 and Jolokia 1.0.1

Posted on October 31st, 2011 by roland

Small updates have arrived for Jmx4Perl and Jolokia.

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Speicher löst sich nicht mehr in Luft auf dank check_hpasm

Posted on October 14th, 2011 by lausser

Während des Bootens von Proliant-Servern wird eine umfangreiche Prüfung der verbauten Speichermodule durchgeführt. Entdeckt das Bios dabei Ungereimtheiten oder schadhafte DIMMs, so werden diese auskonfiguriert und der Bootvorgang fortgesetzt. Ob dies bei einem Server vorgekommen ist, zeigt ein Blick ins Integrated Management Log. Dort erscheint dann folgende Meldung:

Event: 26 Added: 03/08/2011 21:01
  CAUTION: POST Messages - POST Error: 207-Memory initialization error on Processor 1 DIMM 6. The operating system may not have access to all of the memory installed in the system..

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Jolokia 1.0.0 and Jmx4Perl 1.00

Posted on October 4th, 2011 by roland

Time to celebrate: After two and half years working on Jmx4Perl and Jolokia it is time now to nail down the 1.0 release. The last month the focus was on hardening this first official release.

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Maven Resource Bundle Check Plugin 0.5

Posted on September 30th, 2011 by mm

The new maven-rbc-plugin 0.5 release contains minor bugfixes.

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OMD 0.50 is available

Posted on September 23rd, 2011 by sven

The developer team of OMD (Open Monitoring Distribution) released the version 0.50 today. This version contains bugfixes and lots of updated packages including Shinken, Thruk, PNP4Nagios, Mod-Gearman, check_oracle_health and check_mysql_health.

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Jolokia and Jmx4Perl on tour

Posted on August 29th, 2011 by roland

Jolokia and Jmx4Perl will go on tour this autumn. Roland Huss will talk about both projects in November at Devoxx, Antwerp, which is the biggest independent Java community conference in the world and at the Open Source Monitoring Conference, Nuremberg.

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Jolokia 0.95 is here

Posted on August 21st, 2011 by roland

The summer break is over and Jolokia is one step closer to 1.0. Germans might reasonably argue, ‘ehm, what summer do you talk about ?’ but at least 0.95 is now a fact and introduces two new features. Very cool features, IMO.

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Thruk Release 1.0.9

Posted on August 15th, 2011 by sven

Thruk 1.0.9 has just been released and contains a couple of cool new features. This version will also be in the next OMD release. Besides the release itself, new documentation about plugins and themes has been published.

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check_oracle_health kann EZCONNECT

Posted on August 11th, 2011 by lausser

Üblicherweise ruft man check_oracle_health mit den Kommandozeilenparametern

check_oracle_health --username <user> --password <pass> --connect <sid>
</sid></pass></user>

auf. Voraussetzung dafür ist natürlich, dass die SID in einem Verzeichnisdienst oder in einer Datei tnsnames.ora vorhanden sein muss.

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