How to Install Open Source Zimbra Mail Server (ZCS 8.8.10) on CentOS 7
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 world there are couple of...
LinuxTechi - Linux Tutorials and Guide
20 Red Hat Clustering (Pacemaker) Interview Questions and Answers
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 configure the services like NFS,...
How to Boot Ubuntu 18.04 / Debian 9 Server in Rescue (Single User mode) / Emergency Mode
Booting a Linux Server into a single user mode or rescue mode is one of the important troubleshooting that a Linux admin usually follow while recovering the server from critical...
How to Install and Configure Nginx ‘Web Server’ on Ubuntu 18.04 / Debian 9
Nginx is a free and open source web server, it can also be used as reverse proxy, HTTP load balancer, HTTP Cache and mail proxy. Nginx is available for all...
OpenSUSE Leap 15 installation guide with Screenshots
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 and office use. OpenSUSE is...
How to capture and analyze packets with tcpdump command on Linux
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 be saved to a file....
How to define and use functions in Linux Shell Script
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 collection of functions. We can...
Learn Git Command with Practical Examples on Linux – Part 2
In previous article we have learned basic Git workflow. In this article we’ll be focusing on some advanced features like miscellaneous repository actions, branching and tagging. Like previous article this...
How to Install and use Open vSwitch 2.9 with KVM on CentOS 7 / RHEL 7 Server
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 networks. It provides the features...
Learn Git Command with Practical Examples on Linux – Part 1
Git is distributed version control system. It is primarily used by software developers for their source code management. Git is free and open source software and many large organizations use...
