check_mk A new general purpose Nagios-plugin for retrieving data
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retrieval data Nagios data retrieval Nagios plugin

check_mk Description

A new general purpose Nagios-plugin for retrieving data Check_mk provides a new way to collect data from operating systems or network components. It obsoletes NRPE, check_by_ssh, NSClient and check_snmp. The larger your Nagios installation is, the more important get these points. In fact check_mk enables you to implement a monitoring environment exceeding 20.000 checks/min on the first hand.Data is retrieved in four steps:1. For each host Nagios triggers one active check per check interval. This active check calls check_mk as plugin.2. check_mk connects to the target host via TCP. An the host the check_mk_agent retrieves all relevant data about that host at once and sends it back as ASCII text.3. check_mk extracts performanca data and directly insert that into round robin databases.4. check_mk extracts relevant data, compares it against warning/critical levels and submits all check results of this host via Nagios' passive service checks. Here are some key features of "check_mk": · Significant reduction of CPU usage on the Nagios host. · Automatic inventory of items to be checked on hosts. Requirements: · Python What's New in This Release: · New: check_mk's multiadmin tool (Python based web page). It allows mass administration of services (enable/disable checks/notifications, acknowledgements, downtimes). It does not need Nagios service- or host groups but works with a freeform search. · Remove duplicate · Linux Agent: Kill hanging NFS with signal 9 (signal 15 does not always help) · Some improvements in autodetection. Also make debug mode: ./autodetect.py: This helps to find problems in autodetection. · New configuration variables generate_hostconf and generate_dummy_commands, which allows to suppress generation of host definitions for Nagios, or dummy commands, resp. · Now also SNMP based checks use cache files. · New major options --backup and --restore for intelligent backup and restore of configuration and runtime data · New variable simulation_mode allows you to dry run your Nagios with data from another installation. · Fixed inventory of Linux cpu.loads and cpu.threads · Fixed several examples in checks manpages · Fixed problems in install_nagios_on_lenny.sh · ./setup.sh now understands option --yes: This will not output anything except error messages and assumes 'yes' to all questions · Fix missing 'default.php' in templates for local

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