Mail Server is one of the important and critical Server for any organization as most of business communication done via emails only. In Open source […]
How to Install Open Source Zimbra Mail Server (ZCS 8.8.10) on CentOS 7 Read More »
Deploying services in high availability is one of the most important and complex task for Linux geeks. Red Hat clustering a.k.a Pacemaker is used to
20 Red Hat Clustering (Pacemaker) Interview Questions and Answers Read More »
OpenSUSE Leap 15 is a free and open source operating system that is ideally suited for installing your laptops, desktop and servers for both home
OpenSUSE Leap 15 installation guide with Screenshots Read More »
tcpdump is a well known command line packet analyzer tool. Using tcpdump command we can capture the live TCP/IP packets and these packets can also
How to capture and analyze packets with tcpdump command on Linux Read More »
Function is a reusable block of code. Often we put repeated code in a function and call that function from various places. Library is a
How to define and use functions in Linux Shell Script Read More »
Open vSwitch is a free and open source multi-layer software switch, which is used to manage the traffic between virtual machines and physical or logical
How to Install and use Open vSwitch with KVM on CentOS 7 / RHEL 7 Read More »
Google Drive is a cloud-based file storage that allows you store your files on Google Servers, share files with other users and also synchronize the
Different Ways to Access Google Drive on Linux Desktop Read More »
Apache Tomcat 9 is a free and open source web server which is used to serve java based web applications. In other words we can
Easy Guide to Install Apache Tomcat 9 on Ubuntu 18.04 / 16.04 LTS Server Read More »
As we know that PHP is the most important part of LAMP applications (WordPress, Joomla, Drupal & Media wiki etc). Now a days most of
How to Install PHP 7.4, 7.3, 7.2 on CentOS 7 and RHEL 7 Server Read More »
As we all of know that Openstack is getting popular day by day. Most of the organizations are moving their IT infrastructure from traditional virtualization
How to Create an Instance in OpenStack via Command Line Read More »
