Linux tutorials

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...

How To Recover Default Openbox Config Files On Crunchbang

CrunchBang is a Debian GNU/Linux based distribution offering a great blend of speed, style and substance. Using the nimble Openbox window manager, it is...

How To Install MongoDB On CentOS 7

From Wikipedia, MongoDB (from "humongous") is a cross-platform document-oriented database. Classified as a NoSQL database, MongoDB eschews the traditional table-based relational database structure in favor...

Some Basic Linux Commands I Have Used During My Linux Journey...

It has been a very long time since I started using a linux distribution for the first time. There have been many cases when...

How To Move Crunchbang Panel To Bottom

Crunchbang can be styled to sweet your needs which ever way you want. If you are an Crunchbang user, you will admit that tweaking...

Install and configure SaltStack server in Ubuntu x64

SaltStack - is a python-based open source management software. This is such as puppet and ansible. Saltstack as puppet, needs agent software. Client nodes...

Centreon: A Free Alternative To Nagios Xi Monitoring Platform

Introduction Centreon is an Open Source software package that lets you supervise all the infrastructure and applications comprising your information system. Centreon is the system and...

How To Setup PostgreSQL Replication On CentOS

Nowadays, services can't stop, and is system's administratos reponsability keep applications, services and servers on line. Let's make an scenario with 2 virtual machines...

Understanding SU – Installing and Configuring SUDO

Who is the Superuser (SU)? The SuperUser (SU) – usually known as root in my Unix-like systems is the first user created at the installation...

How To Install Oracle Express In CentOS

Oracle Database XE is a great starter database for: Developers working on Node.js, Python, PHP, Java, .NET, XML, and Open Source application DBAs who need a...

Introduction To Gentoo Linux

About Gentoo Gentoo Linux is a free open source linux distribution and comes with some precompiled large packages such as Mozilla Firefox and LibreOffice. But...

How to Secure Your Home Network with OpenDNS

OpenDNS is a free DNS alternative to your ISP DNS. It helps you to get faster and as well as safer browsing at absolutely...

10 Practical Examples Of Linux ‘nmap’ Command

About Nmap Nmap is a tool used for determining the hosts that are running and what services the hosts are running. Nmap can be a...

How to customize your VLC hot keys!

VLC is indeed the king of multimedia players, yet light in weight and free. As in our previous post that discussed about the best...

How To Install FreeNAS 9.3

Introduction FreeNAS is a Network Attached Storage operating system. It is freeBSD based and support CIFS, NFS, iSCSI, FTP, RSYN along with RAID support. It...

Upgrade to KDE 4.6

  Today KDE has released 4.6.0, containing compelling new features and improvements to the Plasma Workspaces. KDE  is  comming  with  many  features  like  : Plasma Workspaces Put...

How to install Gitlab on Debian 8

What is Gitlab? As stated in official website, "GitLab is an application to code, test, and deploy code together. It provides Git repository management with...

Install OTRS on Ubuntu 16.04 with Apache

Introduction OTRS (Open-Source Ticket Request System) is a web-based ticketing system, widely used by businesses for services like customer support, help desks and call centres....

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