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Linux: GRUB Bootloader

Terrence T. Cox — Wed, 12 Jun 2013 07:41:20 PDT

Most of us simply install our favorite distribution, accepting many/most of the defaults, including the boot loader setup, without a second thought. However, there has been a lot of time and effort spent on the bootloader over the years, GRUB taking the place of the venerable LILO. GRUB offers a lot of flexibility in controlling [...] Related posts:

IPv4: DeMystified

Terrence T. Cox — Tue, 11 Jun 2013 06:49:41 PDT

We all ‘know’ what an IP address is and what it’s significance in the age of the internet is. What remains a mystery to a large number of people however (surprisingly even those in the technology industry) is exactly what an IP address is, in detail, and what the component parts represent and the significance [...] Related posts:

Ping – The Common Man’s Network Tool

Source Control: Fast Start With Subversion

Terrence T. Cox — Tue, 04 Jun 2013 15:11:14 PDT

There are many source control mechanisms in use for all types of projects, large and small. Some tools are much more complex than others and better suited to large distributed teams. However, what about an easy to setup, easy to configure, easy to manage tool that can offer version control for a large number of [...] Related posts:

How To Display A Custom Password Requirement Message For Linux Password Changes

Anthony James — Mon, 20 May 2013 12:40:03 PDT

I have implemented a new passwd policy and am forcing users to change their password. The problem I’m facing is I don’t they dont’ know what the password requirements are. How can I communicate this to them before they change their password using passwd? That’s a great question, and it’s actually really simple. What we have to do [...] Related posts:

Linux Commands For Beginners: SUDO

Richard Layton — Thu, 16 May 2013 19:06:40 PDT

Sudo, the one command to rule them all. It stands for “super user do!” Pronounced like “sue dough” As a Linux system administrator or power user, it’s one of the most important commands in your arsenal. Have you ever tried to run a command in terminal only to be given “Access Denied?” Well this is [...] Related posts:

Ubuntu: Bumblebee, Optimus and Multi-Monitor Support

Terrence T. Cox — Tue, 14 May 2013 06:50:25 PDT

For those people who have made the switch to a laptop as their primary system, Linux has presented a bit of a problem. Some integrated devices have less than stellar support and even the proprietary binary graphics drivers have left something to be desired. Worse, modern laptops that contain the ‘Optimus’ technology (multiple GPU configurations [...] Related posts:

CentOS Version 6.4: What You Need To Know

Terrence T. Cox — Wed, 08 May 2013 19:02:09 PDT

In March of this year, CentOS gathered all of the Red Hat Enterprise Linux upstream packages released and created the latest version of CentOS for distribution. We are going to talk about some of the changes and additions to this version so you can decide when is the right time for you or your organization [...] Related posts:

Ping – The Common Man’s Network Tool

Anthony James — Tue, 07 May 2013 10:00:58 PDT

The network tool ‘ping’ has been used by almost everyone who regularly uses a PC at one point or another. The tool is so ubiquitous that it is installed by default on every modern networkable operating system and has been for some time. It is both simple to use and can be a powerful means [...] Related posts:

New Linux Training Courses At The Linux Academy

Anthony James — Mon, 29 Apr 2013 07:38:07 PDT

The Linux Academy brought to you by Pinehead.tv is happy to announce two new premium courses to take our total number of lessons to 114 as of today! The first of the two courses is Enterprise Amazon Web Services. This course focuses on advanced Amazon Web Service concepts such as: Running large scale web applications [...] Related posts:

Ubuntu 12.10 – Spice Up Your Desktop

Terrence T. Cox — Fri, 26 Apr 2013 07:36:01 PDT

One of the most common complaints about Ubuntu since the launch of version 11.04 (Natty Narwhal) is the inclusion of Unity as the default user desktop. Although version 12.10/13.04 has come a long way since then in terms of stability and useability, many people miss some of the ‘eye candy’ that was so easy to [...] Related posts: