Complete Guide: How to install Nagios Monitoring on AlmaLinux / Rocky Linux
In this article, learn how to install Nagios core monitoring tool on AlmaLinux and Rocky Linux.
Nagios monitoring on AWS Autoscaling group instances
Setting Nagios monitoring alerts on instances behind the AWS Elastic Load Balancer (ELB) is always tricky part. In this post, we will learn how we can monitor the instances which are created by autoscaling policy and running behind the ELB. We expect our reader do have good knowledge on scripting, nagios and AWS comptuting. This…
Send nagios report as pdf file via email
The tutorial will give you idea, how you can send Nagios Report as pdf file via email. We will achieve this requirement, with the help of script and using wkhtmltopdf command line tool. We will set the Nagios Report script in crontab and send it via email to receiver person/team. In our previous post we…
Nagios Plugin : check ssl certificate expiry date
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…
check_ELBinstance : Nagios Plugin to check instances attached with ELB
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 :…
How to install Nagios on CentOS 7 / RHEL 7
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…
How to install Nagios 4 from source on Ubuntu 14.04 LTS
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…
Install vshell frontend on Nagios Core 4 Ubuntu 12.04 LTS
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…
Install and configure nagios core 4 on Ubuntu 12.04 LTS
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…
awesome android apps for Nagios – Review
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….
Install nagios 4.0.2 in CentOS 6 using tarball
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…
Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update!
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…
make all command error while installing nagios
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
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
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…