| ![[Note]](../common/images/admon/note.png) | Note | 
|---|---|
| This step is mandatory only if  | 
- Edit the - master-install-location/gsInstaller/monInstaller.propertiesfile and provide values for the following properties:- Table 3.2. gsInstaller Monitoring Properties - Property Name - Notes - installnagios - Set this to yes, to install Nagios Server.(Default: yes) - installsnmp - Set this to yes, if - installnagiosproperty is set to yes. (Default: yes)- installganglia - Set this to yes, to install Ganglia Server. (Default: yes) - snmpcommunity - Provide the name of the SNMP community. (Default: - hadoop).- snmpsource - Used to configure source in - snmpd.conf.You can use either a host or network addresses in CIDR notation. (For example:- 192.168.0.0/24means all the machines from- 192.168.0.0to- 192.168.0.255are allowed to access data from snmp daemons). Ensure that both the Gateway and the Nagios host machine belong to snmpsource address range.- nagioscontact - Provide valid email address for receiving Nagios alerts. (Default: - monitor\@monitor.com).- gmetad_user - Provide value for the Ganglia gmetad_user.(Default: - nobody)- gmond_user - Provide value for the Ganglia gmond_user (Default: - nobody)- webserver_group - Provide the value for Ganglia webserver group. (Default: - apache). If you are deploying HDP on SLES, change the default value to- www.
- Deploy HDP components for monitoring: - cd master-install-location/gsInstaller sh monInstaller.sh 


