This how-to is about installing VirtualBox on CentOS/Scientific Linux/RHEL 6.2 using the official yum repositories instead of rpm packages.

Ubuntu's use of sudo to simplify Linux administration is ingenious, but barely scratches the surface of what sudo can do. Follow along as Yvo Van Doorn of Likewise Software unlocks the powers of sudo.

This tutorial shows a quick way of installing a LAMP server (Linux + Apache + MySQL + PHP/Perl together commonly known as LAMP Server.) on CentOS and RHEL server systems.

I recently read a blog posting that denounced the use of sudo as insecure. My first reaction was that the author had no idea how to use sudo properly or why you would want to.

The past few months a bunch of very cool CentOS community members (and I am not including myself here) spend their time creating kernel modules for the stock RHEL5 2.6.18 kernel to extend hardware support. The result is now known as: ELRepo

BoxGrinder is a tool that allows you to build virtual machines (with RedHat, CentOS, Scientific Linux or Fedora as the OS) for multiple virtualization techniques. Currently it supports KVM, VMware, Amazon EC2, VirtualBox, and VirtualPC. This tutorial shows how to use BoxGrinder to create a CentOS 6 KVM guest on Fedora 17 and also how to deploy it to a remote KVM host.

A typical GNU/Linux installation for server doesn't really need a GUI, however if you need a GUI in the future for some reasons, its easy to install. This tutorial assumes a basic knowledge of the Linux Command Line. This tutorial applies to CentOS and other Red Hat-based distro.

If you are using GNOME and a distribution that supports either sudo or su, then we have a quick tip for you.

Is sudo really needed everywhere ? Of course not ! This article tries to explain why sudo is worse than su for most desktop *nix users out there.