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Posts Tagged ‘Nagios’

Jul 14

Nagios: Temporary failure in name resolution

Last updated: July 14th, 2009

Troubleshooting the above warning message in Nagios:

i) If you can specify the IP address of the host with its port number try specifying it that way instead of the host name

ii) Check the the time that is set for the http check parameter and based on it try setting the -w (warning message) parameter (sample setting: command_line /usr/lib/nagios/plugins/check_http -H mywebsite.com -t 60 -w 55)

Apr 23

Nagios to Monitor SQL Server

Last updated: April 23rd, 2009

Monitor SQL Server from Nagios

Instructions from Nagios website:

URL: http://www.nagios.org/faqs/viewfaq.php?faq_id=156

The above link states that ” ….

So here’s what I’ve done to have a way to connect to both SQL 7 and SQL 2000:

1. Download and install freetds from http://www.freetds.org.
2. Download and install sqsh from http://www.sqsh.org.
3. export SYBASE=/usr/local/freetds (or where ever your freetds is installed) (more…)

Apr 07

Nagios nrpe host server and client on CentOS, Ubuntu

Last updated: May 25th, 2009

Configuring server host to respond to nagios host (monitor remote services) – CentOS

Download nagios plugin and nagios-nrpe plugin in the server host (client that talks with nagios host) from nagios website. The files comes as .tar files and you need to configure them for their use. Move the files to /usr/src (more…)

Jan 17

Nagios – a Windows, Linux, Unix network monitoring tool

Last updated: January 25th, 2009

What is Nagios?

Nagios is a network monitoring tool which helps you identify problems in your network and fix them helping you offer extensive support.nagios-whitebg-212x50

It is used to monitor both Windows and Linux/Unix based networks in addition to monitoring the web services, NNTP, POP, PING, processor load, disk usage, applications, switches, routers, firewalls, print services that run on it and the list extends. (more…)

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