server_monitoring
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server_monitoring [2009/11/27 08:38] – alan | server_monitoring [2024/01/16 09:21] (current) – removed aorth | ||
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- | ===== Server Monitoring ===== | ||
- | * [[# | ||
- | * [[# | ||
- | * [[# | ||
- | |||
- | ===== Ganglia ===== | ||
- | |||
- | [[http:// | ||
- | |||
- | You can see the ganglia installation here: http:// | ||
- | |||
- | For some reason sometimes the graphs do not draw. If you reboot the cluster the graphs work for some days and then seem to stop drawing (the graphs appear blank). | ||
- | |||
- | {{: | ||
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- | Interesting documentation: | ||
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- | ==== Troubleshooting ==== | ||
- | When Ganglia has problems displaying nodes it may need to be restarted. | ||
- | * Stop data collection daemon on HPC: '' | ||
- | * Stop monitoring daemon on HPC: '' | ||
- | * Stop monitoring daemon on compute nodes: '' | ||
- | * Start data collection daemon on HPC: '' | ||
- | * Star monitoring daemon on HPC: '' | ||
- | * Start monitoring daemon on compute nodes: '' | ||
- | |||
- | Now go check the Ganglia web interface and see if the nodes have returned. | ||
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- | ===== Monit ===== | ||
- | |||
- | Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations. | ||
- | Monit can start a process if it does not run, restart a process if it does not respond and stop a process if it uses too much resources. it logs to syslog or to its own log file and notifies you about error conditions and recovery status via customizable alert. | ||
- | Monit provides a built-in HTTP(S) interface and you can use a browser to access the Monit server. | ||
- | |||
- | M/Monit expand upon Monit' | ||
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- | Get the latest version at: http:// | ||
- | |||
- | < | ||
- | $ tar xfz monit-5.0.3.tar.gz | ||
- | $ cd monit-5.0.3 | ||
- | $ ./configure && make && make install</ | ||
- | Accessing monit: | ||
- | http:// | ||
- | |||
- | ===== Nagios ===== | ||
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- | Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. http:// | ||
- | |||
- | === Installation === | ||
- | |||
- | ---- | ||
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- | Download the latest version of nagios while hot, from http:// | ||
- | < | ||
- | $ cd nagios-3.2.0 | ||
- | $ ./configure | ||
- | $ make all | ||
- | $ useradd nagios | ||
- | $ make install | ||
- | $ make install-init | ||
- | $ make install-commandmode | ||
- | $ make install-config | ||
- | $ make install-webconf | ||
- | </ | ||
- | === Configuration === | ||
- | |||
- | ---- | ||
- | Running the following command will create a new file called htpasswd.users in the / | ||
- | < | ||
- | |||
- | Download and install plugins | ||
- | < | ||
- | $ wget http:// | ||
- | $ tar xfz nagios-plugins-1.4.14.tar.gz | ||
- | $ cd nagios-plugins-1.4.14 | ||
- | $ ./configure && make && make install | ||
- | </ | ||
- | Edit the configuration files to add host and services to be monitored: | ||
- | < | ||
- | |||
- | Check remote services http:// | ||
- | === Accessing Nagios === | ||
- | |||
- | ---- | ||
- | http:// | ||
- | |||
- | with username = " | ||
- | |||
server_monitoring.1259311129.txt.gz · Last modified: 2010/05/22 14:19 (external edit)