server_monitoring
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server_monitoring [2009/11/19 06:16] – 172.26.0.166 | server_monitoring [2010/06/21 22:43] – 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 |
+ | ---- | ||
+ | Installation: | ||
- | [[http://ganglia.info/|Ganglia]] is a system for measuring, recording, and graphing certain metrics about hosts in a cluster. | + | RHEL-compatible Linux: Ref: http://andrewfarley.com/sysadmin/ |
+ | < | ||
+ | name=Andrew Farley RPM Repository | ||
+ | baseurl=http://repo.andrewfarley.com/centos/ | ||
+ | enabled=1 | ||
+ | gpgcheck=0' | ||
- | 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). | ||
- | {{: | + | 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 </ | ||
- | Interesting documentation: | + | If it fails to install, you might need to clean the metadata with the following command and try again… |
- | ==== Notes ==== | + | sudo yum clean metadata |
- | 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 is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. http:// | ||
- | |||
- | === Installation === | ||
+ | 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: | ||
+ | </ | ||
- | Download the latest version of nagios while hot, from http:// | + | === Accessing |
- | < | + | |
- | $ cd nagios-3.2.0 | + | |
- | $ ./ | + | |
- | $ 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 | + | |
- | + | ||
- | </ | + | |
- | === Accessing | + | |
- | + | ||
- | ---- | + | |
- | http:// | + | |
- | with | + | http:// |
+ | username: Admin | ||
+ | password: zabbix | ||