Category: Centos/Redhat

Puppet is an open-source configuration management tool that helps us to automate IT infrastructure, including provisioning, configuration management, patching of hundreds of client systems from the central location.

Introduction Let’s Encrypt is a Certificate Authority (CA) that provides free certificates for Transport Layer Security (TLS) encryption, thereby enabling encrypted HTTPS on web servers. It simplifies

Zimbra 9 has just been released. But the binary only available for Zimbra NE. When I see the release note, Zimbra announces “There are no Open

Observium is an open source, low-maintenance, auto-discovering network monitoring tool for operating systems and network hardware. It supports Linux and Windows operating systems and network hardware like Cisco, Juniper, Brocade, Foundry, HP.

In our last article, we set up Observium for monitoring servers and network devices. This guide focus on adding Linux machines to the Observium tool for

FreeIPA is an opensource identity management system for Linux/Unix environments which provides centralized account management and authentication, like Microsoft Active Directory or LDAP. FreeIPA is a combination

MariaDB is one of the popular open-source database management system used by small to large enterprises. It is a fork of MySQL, developed by MariaDB Corporation Ab, led by

Let’s Encrypt is a widely known certificate authority that provides free SSL certificates for websites, launched in April 2016. With the help of Certbot client, certificate