Linux Logical Volume Manager

The Linux Logical Volume Manager The second generation of the Linux Logical Volume Manager (LVM2) is a logical volume manager c...

Linux Boot Process

 Step 1. BIOS (Basic Input Out System) System power on, hardware transfer control to BIOS . BIOS is the first program to run and it’s...

Download: Endian Firewall 2.5.2

1. Introduction Endian Firewall is a Unified Threat Management (UTM) Appliance that protects networks and improves connectivity. Base...

Open Source PHP Gets Updates for Stability, Security

This past week, two important updates were issued for PHP, providing both security and bug fixes. Like many things in the open-source ...

Linux and Disk Forensics

Introduction: A digital forensic investigation generally consists of five major steps [Figure-1]: Identification Data Acquisition ...

How to install denyhost on CentOS 6.4/RHEL block SSH Attack

1. Introduction  DenyHosts is an open source and free log-based intrusion prevention security program for SSH servers developed...

Install Clam Antivirus on Linux CentOS 6.3

1. Introduction ClamAV is an open source (GPL) antivirus engine designed for detecting Trojans, viruses, malware and other malicious th...

How to install Linux Malware Detect (LMD) in CentOS 6/Redhat/Fedora

  1. What is Malware? Malware is called malicious software, script or code which is created and used by hackers to retrieve informa...

Runlevels on Centos/Redhat/Fedora

1. Introduction Runlevels define what services or processes should be running on the system. The Linux operating system can make use of...

Shell Scripting:Linux Random Password Generator With Bash Script

#!/bin/bash # Under RedHat / Centos if [ $# -gt 0 ] then MIN=$1 else MIN=8 fi DEL=`expr $RANDOM % 5` LEN=`expr $MIN + $DEL` cat /dev/ur...

How to Install Rootkit Hunter on CentOS 6.4

  1. Overview rkhunter (Rootkit Hunter) is a Unix-based tool that scans for rootkits, backdoors and possible local exploits. It does...

Best Linux Cheat Sheets

 1. Linux Command Line Linux Reference Card – Great reference published on FOSSwire website One page Linux Manual – Great one page ...

How to Setup Lynis Linux Auditing Tool on Linux CentOS 6.3

1.Introduction Lynis is a free and open source auditing tool for Unix-based operating system. It will provide report and makes suggest...

How to Clear Memory Cache on Linux Server

By default the Linux OS has a very efficient memory management process that should be freeing any cached memory on the machine that it ...