server_monitoring
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server_monitoring [2009/11/19 14:51] – 172.26.0.166 | server_monitoring [2010/06/21 22:42] – 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 | + | * [[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). | + | |
- | + | ||
- | {{: | + | |
- | + | ||
- | Interesting documentation: | + | |
- | + | ||
- | ==== Notes ==== | + | |
- | + | ||
- | It appears as if other CGIAR clusters have been configured to query our '' | + | |
- | < | + | |
- | # Gmond config file for Cluster Cluster. | + | |
- | # Generated by ganglia.xml node without aid from the database. | + | |
- | # | + | |
- | name " | + | |
- | owner " | + | |
- | url " | + | |
- | latlong " | + | |
- | mcast_channel " | + | |
- | + | ||
- | + | ||
- | # | + | |
- | # Increase size of gmond user (gmetric) hash table. | + | |
- | # | + | |
- | 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:// | + | |
- | + | ||
- | < | + | |
- | $ tar xfz monit-5.0.3.tar.gz | + | |
- | $ cd monit-5.0.3 | + | |
- | $ ./configure && make && make install</ | + | |
- | Accessing monit: | + | |
- | http:// | + | |
===== Nagios ===== | ===== Nagios ===== | ||
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=== Installation === | === Installation === | ||
- | |||
- | ---- | ||
Download the latest version of nagios while hot, from http:// | Download the latest version of nagios while hot, from http:// | ||
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with username = " | with username = " | ||
+ | ==== Zabbix ==== | ||
+ | ---- | ||
+ | Installation: | ||
+ | |||
+ | RHEL-compatible Linux: Ref: http:// | ||
+ | < | ||
+ | name=Andrew Farley RPM Repository | ||
+ | baseurl=http:// | ||
+ | enabled=1 | ||
+ | gpgcheck=0' | ||
+ | |||
+ | |||
+ | |||
+ | And then you can install zabbix agent, zabbix server, zabbix get, or zabbix proxy with… | ||
+ | < | ||
+ | sudo yum install zabbix-agent | ||
+ | sudo yum install zabbix-server | ||
+ | sudo yum install zabbix-get | ||
+ | sudo yum install zabbix-proxy </ | ||
+ | |||
+ | If it fails to install, you might need to clean the metadata with the following command and try again… | ||
+ | |||
+ | sudo yum clean metadata | ||
+ | |||
+ | |||
+ | Debian-Based Linux: | ||
+ | ---- | ||
+ | < | ||
+ | root@simple: | ||
+ | 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) | ||
+ | root@simple: | ||
+ | </ | ||
+ | |||
+ | === Accessing Zabbix === | ||
+ | |||
+ | http:// | ||
+ | username: Admin | ||
+ | password: zabbix | ||