How to install nagios server in Ubuntu 12.04 LTS In this tutorial we will learn how to install server in Ubuntu 12.04 LTS. Nagios is one the robust and very good monitoring server which is highly used in corporate network either it is Small business Unit or big corporate. It also comes with Open source … Read more
Installing Nagios-3.5.0 in CentOS 6.4 This post is updated version of post “https://sharadchhetri.com/2013/02/27/installing-nagios-3-4-4-in-centos-6-3/”. We will use the new EPEL repo rpm i.e epel-release-6-8.noarch.rpm.(Today I found that in EPEL repo the nagios 3.5 is available and I tested it in my staging machine) Rest of the steps are same Download the EPEL repo in your system … Read more
How to configure htdigest in nagios server As a security point of view I always prefer to go with htdigest rather than htpasswd method.The reason is htpaswd uses cleartext username and password whereas htdigest uses encryption method. If you have already read my post “How to configure Nagios 3.4.4 in CentOS” there I use the … Read more
In this tutorial we will learn How to install and configure nagios nrpe in CentOS and Red Hat. We will also do some configuration changes in nagios server so that we could monitor the servers. In this scenario we will add a server to monitor. Operating System : CentOS 6.3 Nagios Server : hostname: nagios-server … Read more
CHECK_NRPE: Error – Could not complete SSL handshake nagios The nrpe uses the port no. 5666 to communicate . The same port no. must be opened in nagios server as well as in nagios client. Usually we see the error “CHECK_NRPE: Error – Could not complete SSL handshake” .It is because nrpe works with ssl … Read more
Nagios HTTP WARNING: HTTP/1.1 403 Forbidden Whenever I newly setup the nagios server I mostly get this error “Nagios HTTP WARNING: HTTP/1.1 403 Forbidden”. In dashboard it shows alert on localhost i.e our own newly set up nagios server. To solve this alert, create a index.html file inside /var/www/html in server touch /var/www/html/index.html Restart the … Read more