Linux tutorials

The Effect of IT Compliance on Cloud Security

Cloud computing is valuable to businesses that want to increase productivity and become more efficient because it...

How To Configure A High Available Load-balancer With HAProxy And Keepalived

This tutorial explains how to set up a two-node load balancer with HAProxy and keepalived on CentOS 7. The load balancer sits between the user and two (or...

How to install ownCloud 9.1.4 on CentOS 7

Introduction OwnCloud 9.1.4 is an open source software for file sharing and data synchronization that is very useful in the enterprise sector, with an easy...

Install Squirrel Mail on Ubuntu Server

SquirrelMail  is an Open Source project that provides both a web-based email application and an IMAP proxy server. The webmail portion of the project was...

A Complete Guide to Check If File Exists in Bash

A Shell script might demand that you check whether a file exists before doing a task.  You could always assume that the programmer or user...

How To Use NGINX Proxy Manager: A Beginner’s Guide

NGINX is an open-source web server software with reverse proxy functionalities that allow you to redirect traffic to another server. It boasts great features...

Installing Invoice Ninja on CentOS 7 w/ NGINX & MariaDB –...

Introduction In the first part of this tutorial, we configured a CentOS 7 server with all the prerequisites required by Invoice Ninja. Now, let's look...

How to Master Regex in Bash

What is a Regular Expression (Regex)? The term Regex or in full - ...

Network Analysis: How To Install Bro On Ubuntu 16.04

Introduction: Bro Network Analysis Framework Bro is an open source network analysis framework with a focus on network security monitoring. It is the result of...

Linux Commands Every Sysadmin Must Know

If you are a system administrator, then Linux commands are what you use everywhere, you know what they are for and how to use...

How to upgrade to Centos 6.1

Question : How  to upgrade  from  centos 6.0 to centos 6.1 ? Answer   Centos  6.1  has  been released to fix some known issues on the  affected   packages...

Creation of Virtual Machine in Linux using KVM

KVM the Kernel based Virtual Machine is an open source virtualization infrastructure for the Linux Kernel. It requires a processor with hardware virtualization extension...

Cybersecurity And Its Importance For Businesses

It seems that more of our lives are starting to take place online. We use the internet for business, shopping, entertainment, socializing, and so...

Install – Configure WordPress with NGINX and HHVM

Introduction HipHop Virtual Machine (HHVM) is an open-source virtual machine designed for executing programs written in Hack and PHP. It uses a just-in-time compilation to...

QEMU / KVM: Using the Copy-On-Write mode

The mode "Copy-On-Write", often referred by the acronym COW, is available on some formats of virtual machine disk as QCOW2. Specifically, when using the COW...

Visual Database Design – with Oracle Database Designer

Mastering database design with Oracle Database Designer Oracle Database Designer is a data modeling tool that allows users to create, modify and manage database models...

Script to install Nvidia driver in Debian Squeeze with one click

This is a nice script that will allow you to install Nvida driver in Debian Squeeze the easy way . . . . . . #!/bin/bash # NVIDIA-Installer-Squeeze # Enrique Molina # # GNU Public...

How to install and configure Ghost Blog on Ubuntu 16.04

Introduction Ghost blog is a blogging and publishing platform, totally open source and written in JavaScript, using the Node.js framework. As stated on the official website,...