server_monitoring
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server_monitoring [2009/11/17 11:31] – 172.26.0.166 | server_monitoring [2010/06/21 22:47] – 172.26.14.218 | ||
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===== Server Monitoring ===== | ===== Server Monitoring ===== | ||
- | * [[#ganglia|Ganglia]] - Monitors cluster CPU, disk, network usage | + | * [[server_monitoring: |
- | * [[#monit|Monit]] - Monitors specific services | + | * [[server_monitoring: |
- | * [[#nagios|Nagios]] - Monitors services services | + | * [[server_monitoring: |
+ | * [[server_monitoring: | ||
- | ===== Ganglia | + | ====== Zabbix ====== |
- | [[http://ganglia.info/ | + | Installation: |
- | You can see the ganglia installation here: http://hpc.ilri.cgiar.org/ganglia (if it's working) | + | RHEL-compatible Linux: Ref: http://andrewfarley.com/ |
+ | < | ||
+ | name=Andrew Farley RPM Repository | ||
+ | baseurl=http:// | ||
+ | enabled=1 | ||
+ | gpgcheck=0' | ||
- | 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). | + | And then you can install zabbix agent, zabbix server, zabbix get, or zabbix proxy with: |
+ | < | ||
+ | $ sudo yum install zabbix-server | ||
+ | $ sudo yum install zabbix-get | ||
+ | $ sudo yum install zabbix-proxy< | ||
- | {{:ganglia_diagram_smaller.gif|}} | + | If it fails to install, you might need to clean the metadata with the following command and try again: |
+ | < | ||
- | Interesting documentation: | ||
- | ==== Notes ==== | + | Debian-Based Linux: |
+ | < | ||
+ | zabbix-agent - network monitoring solution - agent | ||
+ | zabbix-frontend-php - network monitoring solution - PHP front-end | ||
+ | zabbix-proxy-mysql - network monitoring solution - proxy (using MySQL) | ||
+ | zabbix-proxy-pgsql - network monitoring solution - proxy (using PostgreSQL) | ||
+ | zabbix-server-mysql - network monitoring solution - server (using MySQL) | ||
+ | zabbix-server-pgsql - network monitoring solution - server (using PostgreSQL) | ||
+ | # aptitude install zabbix-proxy-mysql zabbix-agent zabbix-server-mysql zabbix-frontend-php</ | ||
- | It appears as if other CGIAR clusters have been configured to query our '' | + | ====== Accessing Zabbix ====== |
- | < | + | |
- | # Gmond config file for Cluster Cluster. | + | |
- | # Generated by ganglia.xml node without aid from the database. | + | |
- | # | + | |
- | name " | + | |
- | owner " | + | |
- | url " | + | |
- | latlong " | + | |
- | mcast_channel " | + | |
- | + | http://172.26.12.29/zabbix | |
- | # | + | username: Admin |
- | # Increase size of gmond user (gmetric) hash table. | + | password: zabbix |
- | # | + | |
- | num_custom_metrics 2048 | + | |
- | + | ||
- | # Uncomment the next line for monitoring by the Rocks Cluster Network. | + | |
- | trusted_hosts 220.227.242.214 # hpc.icrisat.cgiar.org | + | |
- | trusted_hosts 202.123.56.187 | + | |
- | trusted_hosts 216.244.151.133 # ? | + | |
- | trusted_hosts 200.62.229.37 | + | |
- | + | ||
- | # Listen only on the private cluster interface. | + | |
- | mcast_if eth0</ | + | |
- | + | ||
- | ==== Connections refused ==== | + | |
- | I kept seeing this error in ''/ | + | |
- | < | + | |
- | Apparently that is the Potato Center' | + | |
- | + | ||
- | ===== 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' | + | |
- | + | ||
- | Get the latest version at: http://mmonit.com/ | + | |
- | + | ||
- | < | + | |
- | $ tar xfz monit-5.0.3.tar.gz | + | |
- | $ cd monit-5.0.3 | + | |
- | $ ./configure && make && make install</ | + | |
- | Accessing monit: | + | |
- | http:// | + | |
- | + | ||
- | ===== Nagios ===== | + | |
- | + | ||
- | Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. http:// | + | |
- | + | ||
- | === Installation === | + | |
- | Download the latest version of nagios while hot, from http:// | + | |
- | < | + |