Installing Nagios on Debian Jessie and SNMP (UPS) monitoring
sudo apt-get update;apt-get install nagios3 nagios-plugins nagios-nrpe-plugin apache2 snmp
You will be prompted to set a nagios password during installation. And can now navigate to http://localhost/nagios3/ to access nagios. The admin username is nagiosadmin, and the password is that which you set during installation.
The following is based on the example here. It’s probably better to refer to that for full APC UPS monitoring instructions. I’m going to be looking at monitoring the Arduino I previously setup.
Add the following to /etc/nagios3/:
cfg_file=/etc/nagios3/objects/ups.cfg
Then create the file /etc/nagios3/objects/ups.cfg, with the following contents (you will also need to create the objects directory):
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | ################################################################################ HOST DEFINITIONS################################################################################ Define the UPS that we'll be monitoringdefine host{ use generic-host host_name ArduinoVoltMon alias Arduino Voltage Monitor notification_period 24x7 check_period 24x7# contacts nagiosadmin address 192.168.2.64 }################################################################################ HOST GROUP DEFINITIONS###############################################################################define hostgroup{ hostgroup_name ups alias ups members ArduinoVoltMon }################################################################################ SERVICE DEFINITIONS################################################################################ Ping UPSdefine service{ use generic-service host_name ArduinoVoltMon check_period 24x7 notification_interval 10 service_description PING check_command check_ping!100.0,20%!500.0,60% }define service{ use generic-service host_name ArduinoVoltMon service_description UPS Capacity check_command snmp_ups_capacity! -H $HOSTADDRESS$ -C public } |
Then add the following to the end of /etc/nagios3/commands.cfg:
1 2 3 4 5 | # 'snmp_ups_capacity' command definitiondefine command{ command_name snmp_ups_capacity command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C $ARG1$ -o .1.3.6.1.4.1.318.1.1.1.2.2.1.0 -l '\Battery Charge\' -u '\%\' } |
If you click on Services in Nagios you should now see the following:
I might try this with cacti next. Which in my previous experience seems a lot better than Nagios.
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