Frequently Asked Questions

Setting Up DNS Server On CentOS 7

DNS, stands for Domain Name System, translates hostnames or URLs into IP addresses. For example, if we type www.unixmen.com in browser, the DNS server...

Linux Basics: Create Network Bonding On CentOS 7/6.5

What is Network bonding? Network bonding is a method of combining (joining) two or more network interfaces together into a single interface. It will...

Installing JAVA jre/jdk with Ubuntu 16.04

Introduction Two variable of java are available, JRE (Java Runtime environment) and Java Development kit or JDK. JRE comes with minimal tools to create java...

How To Install Zimbra Collaboration Suite 8.6.0 On CentOS 7

Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra, Inc. It is widely used in the world. Users can share folders, contacts, schedules...

Install And Configure FTP Server On CentOS 7

vsftpd (Very Secure File Transport Protocol Daemon) is a secure, fast FTP server for Unix/Linux systems. In this how-to article, let us see how...

How To Fix “Device eth0 does not seem to be present,...

I was playing with My Virtualbox today and i tried to clone some Centos Servers. But after this, when starting the eth0, it is...

Apache HTTP Secure Server Configuration for CentOS 7

Securing the Apache server is one of the most important tasks of the webmaster. In this example, we will show you in this Apache...

Setting Up NFS Server And Client On CentOS 7

NFS, stands for Network File System, is a server-client protocol used for sharing files between linux/unix to unix/linux systems. NFS enables you to mount...

Install LAMP Server (Apache, MariaDB, PHP) On CentOS/RHEL/Scientific Linux 7

LAMP is a combination of operating system and open-source software stack. The acronym of LAMP is derived from first letters of Linux, Apache HTTP...

How To Manage Multiple SSH Sessions Using Cluster SSH And PAC...

About SSH We, all, know what is SSH, right? SSH, stands for Secure Shell (sometimes known as Secure Socket Shell), is a Cryptographic Protocol that...

Setup Local Yum Repository On CentOS 7

This tutorial describes how to setup a local Yum repository on CentOS 7 system. Also, the same steps should work on RHEL and Scientific...

How To Install VLC On CentOS 7

VLC media player (commonly known as VLC) is a portable, free and open-source, cross-platform media player and streaming media server written by the VideoLAN...

How To Install Apache Ant, Maven And Tomcat On CentOS 7/6.5

In this tutorial, let me show you how to install Apache siblings such as Ant, Maven, and Tomcat on CentOS 7 and 6.5 server....

How To Configure FreeIPA server On CentOS 7

FreeIPA stands for Free Identity Policy Audit. FreeIPA is a solution for managing users, groups, hosts, services, and much, much more. It uses open source solutions with some Python glue...

How To Configure Static IP On CentOS 7

Question: How to switch from Dynamic to static in my CentOS 7? Answer: Before to convert from dynmic to static, please make an copy of resolv.conf under...

How To Install PrestaShop On CentOS 7 Linux

Today, we will learn how we can install Prestashop on our CentOS 7 Linux distribution. Why CentOS? CentOS Linux is a community-supported distribution derived from sources...

How To Install iRedMail Mail Server In Linux

About iRedmail iRedMail is a free, full featured and full-fledged open source mail server solution for Linux and BSD. Using iRedMail, anyone, even a novice...

How To Setup MariaDB Galera Cluster 10.0 On CentOS

MariaDB is a relational database management system (RDBMS) and  MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB. It is available on Linux only, and...

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TaskBoard: Kanban-based Software on CentOS 7

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Let’s Encrypt: Secure Apache Web Server on Ubuntu 16.04

Why HTTPS? Starting with Chrome 56, the browser developed by Google marks non-secure pages containing password and credit card input fields as Not Secure in...

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Everything you should know about RHCSA Certification

Things you should know about RHCSA Certification Exam RHCSA or Red Hat Certified System administration exam is designed to test your knowledge and skills which...