Monitor Rx and Tx Errors on Extreme Networks Switches via SNMP Query (using NagiosXI)

It is helpful to monitor the RxErrors and TxErrors on ports on Extreme Networks switches to get a heads up on any issues before they begin to impact service. The Extreme Networks MIB can be downloaded from the Extreme Networks support portal to assist you in finding the relevant SNMP OIDs, the below is an […]

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NagiosXI check_ldap Error – Could not bind to the LDAP server

When attempting to use the check_ldap plugin, I found that unsecured LDAP lookups on port 389/TCP worked fine, but attempting a secure lookup on 636 or using TLS failed. Attempting a check_ldap check normally worked fine (i.e. to port 389), but attempting an LDAPS or LDAP TLS check failed with the following error: The check_ldap […]

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Monitor Status of Dell PowerVault TL4000 Quick and Dirty with Nagios

You can monitor the Dell PowerVault TL4000 Tape Library using the Nagios check_snmp plugin. After setting the TL4000 to accept SNMP connections on v2 SNMP you can run the following command below. This queries for the status of the library as a rollup. # ./check_snmp -H <IP Address> -C community -o .1.3.6.1.4.1.674.10893.2.102.2.1.0 -r3 SNMP OK […]

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Nagios Monitor HTTPS SSL Certificate Expiry

http://exchange.nagios.org/directory/Plugins/Network-Protocols/HTTP/check_ssl_cert_alternative/details Downloaded the file and stuck it in: /usr/local/share/nagios/libexec Make it executable: Change the owner: Change the group: Rename it so I don’t need to stick the .pl on the end: Do a test run: Seems to be okay we see: “servername.domain.name:443 68 Days left” In the example below, that needs to be added to […]

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