Let’s face it, most technical and computer books are boring, and reading the texts cover-to-cover is nothing less than a slog. However, there are some exceptions, including a number of books apropos for system administrators. In fact, there are three books I highly recommend and are mandatory reading for my staff.
Read more »Three Books Every System Administrator Should Read
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Ksplice Executives Share New Ways to Make Linux More Secure,
Helping Linux administrators and enthusiasts prepare for a new era in software upgrades and systems management, senior executives from Ksplice, an enterprise software company offering to make systems more secure, reliable, and maintainable through seamless updates, will speak this week at two of the world’s most prominent Linux conferences–LinuxTag 2009 in Berlin and Fórum Internacional de So
Read more »An Open Source Recipe for the iPhone
The platform that has defined “cool” for years has not had a reputation for being an open platform, but that hasn’t discouraged a number of open source projects for iPhone/iPod Touch.
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How to Crack a Wi-Fi Network's WEP Password with BackTrack
You already know that if you want to lock down your Wi-Fi network, you should opt for WPA encryption because WEP is easy to crack. But did you know how easy? Take a look.
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Practical Programming: An Introduction to Computer Science Using Python
According to wordnetweb.princeton.edu, Computer Science is "the branch of engineering science that studies (with the aid of computers) computable processes and structures". It's the study of computer architectures, languages, and mathematical structures as applied to the process of computing. So what have Campbell, et al produced in this book...a Computer Science textbook that teaches Python?
Read more »Tech Tip: Determining What's Been Changed on RPM Based Systems
As a consultant, I am often faced with an unfamiliar Linux system (usually RHEL). I always find it useful to understand which files that shipped with rpm packages have been modified, since it's usually a good indicator of what customizations have been performed on the system. To determine the modified files, I simply run...
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Speeding up boot on an upgraded system
So I have a laptop that I've been upgrading since Hardy (currently on Karmic Alpha) that I would like to boot faster. It has probably accumulated a lot of crufty daemons along the way that probably aren't being pre-loaded into memory. I picked up this tidbit from the fast boot expert. Add profile to your kernel command-line (at the grub prompt, press Esc e and then edit the line).
Read more »Opengear Goes Remote for Power Management
Managing power locally can be as simple as flipping a switch, but what happens when you've got hundreds of sites geographically dispersed?
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Scalix gains mobile device synchronization
Xandros-owned email and groupware vendor Scalix released Scalix ActiveSync 1.0, a push email and synchronization add-on to Scalix Server that implements Microsoft's Exchange ActiveSync protocol for wireless message synchronization. Scalix also released Scalix Server 11.4.4, touted for its over 200 improvements.
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7 of the Best Free Linux Revision Control Tools
Version control systems play an essential role for developers. First up, they allow developers to safely store successive versions of source code. Besides providing a secure backup of the source code, this type of software lets developers revert back to a stable release if subsequent code changes have unforeseen consequences.
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My simple rsync backup scripts for Ubuntu 8.04 (also good for just about any Linux or BSD)
I'm no coding guru. And I feel like having to write my own scripts to get stuff done in Unix/Linux is all too much like reinventing the wheel. Be that as it may, I hacked together these two short scripts to back up my /home files in Ubuntu 8.04 to an external USB drive. I put the scripts in /usr/local/bin and made them executable. I'm lazy enough that I used the Nautilus file manager to do this.
Read more »Using IP And MAC Address Objects In Firewall Builder
This article continues the series of articles on Fireall Builder, a graphical firewall configuration and management tool that supports many Open Source firewall platforms as well as Cisco IOS access lists and Cisco ASA (PIX).
Read more »Mandriva, it’s all about packaging
I would suggest Mandriva to try to move all its technology to Debian-like packaging and make the system 99.9% percent compatible with Debian.
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Python experiences, or: Why I like C++ more ;-)
So I’ve been coding some Python lately, because this is the language of choice for the “Computational Physics” course I’m attending. As the name says, it is more about physical and numerical problems than about programming, and the instructors chose Python as it’s easy to get into.
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ext4 on Ubuntu 9.04
It all started back in the good ol’ days of the Jaunty development cycle when I heard this new fangled filesystem thingy called ext4 was going to be an option in Jaunty. It claimed to be faster with much shorter fsck times. So, like any good Ubuntu developer, I tried it.
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