Author archive

Tips and tricks: Choosing the password hashing algorithm for /etc/shadow during installation

This is a new feature that has been requested in the Red Hat Enterprise Linux product line. The supported algorithms are DES, MD5, and SHA-256/512. They will be available after the upcoming updates releases as well as in Rawhide. The new algorithms will be configurable via Kickstart only. Here is the correct code. » Read more


Tips and tricks: Memory storage on PostgreSQL

Introduction

PostgreSQL is very sophisticated and powerful database server to use with Red Hat Enterprise Linux. However, many people argue that one of the features it lacks is the memory storage engine of MySQL. » Read more


Tips and tricks: How to get the Mac OS X look and feel on the GNOME desktop

In his article “Painless dual-booting with Red Hat Enterprise Linux 5 and a MacBookPro,” Noah Gift shows how to install RHEL 5 on a Mac. This article shows you some customizations that will make your newly installed Red Hat system look like Mac OS X. » Read more


Workrave–listen to the sheep

Once I was asked what the funny little icon in the notification area of my screen was. I replied, “This is a sheep that is telling me when to stop typing and have a break.” The sheep is the mascot of Workrave, a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI). It does so by reminding you to take little breaks every few minutes and a longer one every hour. » Read more


Dual password encryption with EncFS

This article is a step-by-step guide to using two passwords with EncFS. The primary password is required and may be used to secure all data; the secondary password is optional and may be stored on USB stick or other removable media and used to secure more sensitive data. EncFS can also be combined with block device encryption for maximum security. Block device encryption is described in a previous article by Michael Petullo, Disk encryption in Fedora: Past, present, and future.
» Read more