DNS (Domain name system) servers are one of the most crucial parts of hosting servers on the internet. DNS servers give us the ability to connect to websites and other types of servers by using words and number instead of IP addresses. Without DNS servers users visiting a website would have to connect using its […]
Note: This tutorial is a continuation of the Sendmail tutorial; please read through the Sendmail tutorial first before you attempt to install Dovecot or Squirrelmail. Although most versions of CentOS come standard with a POP3/IMAP server, dovecot can be much easier to configure and works almost straight after installation. Both the POP3 and IMAP protocols […]
Sendmail is the default SMTP (Simple mail transfer protocol) server installed on CentOS and although it can be slightly more complicated for beginners to learn than similar alternatives such as Postfix, it can be quite powerful and useful to learn. Sendmail by itself as the name suggests is a MTA (Mail transfer agent) which is […]
If you only have been using CentOS for a while, you might already be aware of how to upgrade to the latest release using the “yum update” command. However what you may be unaware of is that the “yum update” command can only be used for upgrading to the latest minor release. Generally this is […]
Now that we have installed both of our applications, it’s time to start learning about some of the basic features of Bacula so that we can start using Webacula. Let’s start out with learning a bit more about the three main services responsible for running Bacula.
Nagios XI is the most powerful IT infrastructure monitoring solution on the market. Nagios XI extends on proven, enterprise-class Open Source components to deliver the best monitoring solution for today’s demanding organizational requirements. Designed for scalability and flexibility, XI is designed to make problematic IT monitoring tasks simple, while retaining the powerful attributes of its […]
Pandora FMS (for Pandora Flexible Monitoring System) is software solution for monitoring computer networks. Pandora FMS allows monitoring in a visual way the status and performance of several parameters from different operating systems, servers, applications and hardware systems such as firewalls, proxies, databases, web servers or routers.