We have created a Nagios plugin called check_ssl_cert_expiry . The nagios plugin will send the alert (warning/critical) before SSL Certificate expiry date. We have tested this plugin to check HTTPS website URL. It is working very well. Why we require check_ssl_cert_expiry nagios plugin To know how many days are left before date of expiration of…
Recently I created a new nagios plugin which check the no. of instances attached in ELB (Elastic Load Balancer) . Here we are talking about ELB in AWS (Amazon Web Service) Cloud. Elastic Load Balancing automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud. Details of check_ELBinstance nagios plugin Requirement :…
In this tutorial we will learn about how to install Nagios 4 on CentOS 7/RHEL 7 . To install nagios we will use its stable source code, which is avaible at Nagios site. Nagios is one the most popular, stable and reliable monitoring tool. It is available as free and Open source package called Nagios…
In this tutorial we will learn, how to install Nagios 4 from source on Ubuntu 14.04 LTS. In this practical I have seen some problems while Nagios core 4 installation. Because in Ubuntu 14.04 LTS is shipped with new Apache 2.4 version ,it was quite obvious some extra steps we have to do. I will…
In this tutorial we will learn about, how to install vshell frontend on Nagios Core 4 Ubuntu 12.04 LTS. Nagios vshell is php based web interface for Nagios Core.It is lightweight and easy to customize. To get the details of Nagios Vshell , here is the link. To install vshell frontend on Nagios Core 4…
In this tutorial we will install and configure nagios core 4 on Ubuntu 12.04 LTS. Nagios Core 4 has recently been released,at the time of writing this post Nagios core 4.0.2 was available. Nagios is one of the most popular,reliable and robust Monitoring System.You can find number of plugins to monitor the network and server…
Today we were searching for free Android apps for Nagios monitoring server to get the notification updates in our Android mobile phone.We tried some Nagios Android apps and we found this android app is really work well. These Android apps we checked in Nagios 3.x and 4.x version and both were smoothly running very fine….
In this tutorial we will learn about how to install nagios 4.0.2 in Linux using tarball.Nagios is one of the famous and very robust Monitoring Server.The installation has been done in minimal installed CentOS 6.4.Recently Nagios team has released its much awaited 4.x version.The installation steps is applicable to other Nagios version also. Details of…
While installing the Nagios 4.0.2 from tarball I got this issue Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update!. The problem was clearly stating about permission issue.Hence we have to only modify the permission and restart the nagios service. The problem was occurring when I was clicking on Re-schedule the next check of this…
Today, I was installing Nagios 4.0.2 version through tarball and while installation I got the issue that is make[1]: *** No rule to make target `../include/locations.h’, needed by `nagios.o’. Stop. The error occur after I hit the command make all . I have already installed gcc so the error was coming from some other dependency…
How to use email id of Gmail for sending nagios email alerts In this tutorial we will learn about how to use email id of Gmail for sending nagios email alerts. Requirement: (1): Create one email id of gmail for sending emails from nagios server eg. nagiosalerts@gmail.com (2): Using ssmtp package . As per man…
NOTICE: nagios.cmd file not found. Please specify the location of this file in your /etc/vshell.conf file This is continue of my last post on how to change nagios frontend with vshell Nagios version : 3.x While configuring the vshell it might be possible you can get this warning message.The warning message occur when you run…
In this post, we will create a custom Nagios NRPE plugin to monitor openerp service. We have named it as check_openerp and it is written in bash script.
check_memory unable to read output Nagios nrpe While setting up the nagios Monitoring system in my new network.I decided to use check_memory plugin. I downloaded the plugin from exchange.nagios.com Here below one is given link. check_mem_avail While working I got this error from check_memory plugin “NRPE : unable to read output” . After debugging I…
How to change the frontend of Nagios with VShell in Ubuntu and Debian Here in this tutorial we will learn How to install Nagios V Shell to change the frontend. This is continue of my last post on Installing Nagios in Ubuntu. Kindly read the post. To install Nagios V Shell follow these steps :…