How To's Tutorials

How To Replace Defective HDD On Software RAID5 In Windows Server

If you're using software RAID 5, you have three or more dynamic disks should be configured. If you lose a single disk from the set, no data is lost. Because of data and parity information stored on the remaining disks. If you need to replace the disk follow the procedure below.

How To Install and Configure phpMyAdmin in CentOS 6/RHEL 6

phpMyAdmin is a free and open source software written in PHP and used to handle the administration of MySQL with the use of a Web browser. It can perform various tasks such as creating, modifying or deleting databases, tables, fields or rows; executing SQL statements; or managing users and permissions

How To Install and configure VirtualBox in CentOS/RHEL

VirtualBox is an x86 virtualization software package, created by software company Innotek GmbH, purchased in 2008 by Sun Microsystems, and now developed by Oracle Corporation as part of its family of virtualization products. Oracle VM VirtualBox is installed on an existing host operating system as an application; this host application

Send E-mails from linux command line or terminal using Mutt ,Mail & Telnet

Mutt is a small but  powerful text-based e-mail client for Unix like operating systems. With mutt command one can send and read emails. Mutt supports both maildir & mbox mail formats. Mutt is compatible with POP & IMAP protocols.

Difference Between Qemu and KVM

QEMU :  It is a generic and open source machine emulator and virtualizer. When used as a machine emulator, QEMU can run OS and programs made for one machine (e.g. an ARM board) on a different machine (e.g. your own PC). By using dynamic translation, Qemu achieves very good performance.

What is RCRON.. & How to Setup High Availability of cron Jobs Using RCRON

rcron is a  powerful  tool that helps  system administrators  in setting up cron jobs redundancy and failover over groups of machines.


RCRON ensure that a job installed on several machines will only run on the active one at any time.