pam_tally2 command – lock & unlock ssh failed logins in linux
Overview: pam_tally2 command is used to lock and unlock ssh failed logins in linux like operating system. To implment a security feature like a user’s...
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How to extend & reduce Swap Space on LVM2 Logical Volume
Overview: By default all Linux(RHEL,CentOS,Fedora & Ubuntu) like operating system uses all available space during installation. If this is the case with your system, then...
Adding Static Routes On Various *NIX (Linux,AIX,HP-UX)
Overview: Static routes are generally required for traffic that must not, or should not, go through the default gateway. In this article we will discuss...
Basic Linux File system tutorial – ext2,ext3,ext4,JFS & XFS
The original Linux system used a simple file system that mimicked the functionality of the Unix file system. In this tutorial we will discuss basic...
How To Run Chromium OS in Virtualbox VM
Overview : ChromiumOS is a lightweight, lightning-fast operating system from Google for your netbook, laptop or even desktop. With the familiar environment of Chromium/Chrome, the...
Hadoop Installation using a single Node cluster
Overview: Hadoop is a technology which enables distributed processing of large set of data sets across clusters ranging from 1 server to thousands of server...
Detect & Scan New Luns in Redhat Linux & CentOS
Overview: While Working on the Linux boxes , some times linux admin have to scan new storage or LUNs assign to the server from the...
Install & configure Zimbra Open Source Mail Server on CentOS & RHEL
Overview: Zimbra is a Free Email Server and Calendar & collaboration solution, built for the both public and private cloud . It is also considered...
Wallch ( Wallpaper Changer ) – Rotate Ubuntu Desktop Wallpapers
Overview: Wallch is a free and open-source Wallpaper Changer for Ubuntu Desktop. Wallch rotates desktop wallpapers from the set of favourite wallpapers at particular interval of...
KVM Virsh Command Examples on CentOS & RHEL
Overview: virsh is the interface or command for managing the virtual machines based on KVM hypervisor. On virsh interface virtual machines are identified by their...
Install & Configure KVM Virtualization On CentOS 6.X / RHEL 6.X
Overview : KVM stands for Kernel Based Virtual Machine. KVM is a Linux kernel module that allows a user space program access to the hardware...
Ubuntu 13.10 Desktop Installation Guide Step by Step
Overview: Ubuntu 13.10 is also known as the Saucy Salamander, Ubuntu is most popular open source or free operating system for your desktop and Servers....
