Tutorials On Linux, Unix & Open Source
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
Installing Nagios-3.4.4 in CentOS 6.3 This post is updated version of post “Installing Nagios-3.4 in CentOS 6.3”. The only difference here is , we will use the new EPEL repo rpm i.e epel-release-6-8.noarch.rpm. Rest of the steps are same Download the EPEL repo in your system yum install wget (use this command if you do … Read more
How to set htdigest password in apache web server Through this method we can set the username and password in webserver means whenever anyone open the website he has to give username and password to see the content of website. To know about what is the difference in htdigest and htpasswd. Kindly visit these links. … Read more
How to install and configure samba server in CentOS 6.3 Introduction: Samba is a free software re-implementation of the SMB/CIFS networking protocol, originally developed by Andrew Tridgell. As of version 3, Samba provides file and print services for various Microsoft Windows clients and can integrate with a Windows Server domain, either as a Primary Domain … Read more