Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
Utility programs like cp have new features you may not have seen. Here’s the third in a series about some of the handiest.
Just in the last week, 3 proprietary software companies informally discussed with me on how to open source their products. I suggested the following migration approach and thought would share the same for wider community consumption.
Years ago, there was a saying that Unix beginners use grep because it's all they know about, intermediate users use fgrep because it's supposed to be faster, and advanced users use egrep because they've tested it. Each of those three variations used to be its own separate program that did different searches. But no more.
"Klipper is the KDE clipboard utility. It stores clipboard history, and allows you to link clipboard contents to application actions. That's the common explanation you get from most people and online manuals when seeking information about Klipper. But what else can Klipper do? Is that ALL it does? Can we empower it to be what cut and past is in Windows? (ducks the possible flames) Perhaps. Grab a pen and paper Klip...let's see what this thing can do. Please note that this article is written with the assumption that you are using KDE 3.4 or higher.
Linux's record for reliability may be the polar opposite of what critics consider the crash-a-day life of Windows. Yet, the fact that Linux crashes are rare means that an unexpected outage throws many in unmapped territory. Learning the proper steps to prevent such crashes can help Linux admins avoid many headaches over the long term.
Linksys WRT54GS + OpenWRT + ChillSpot + FreeRadius (with Mysql authentication and accounting ) + PHP/Perl = Wireless HotSpot
Looking for more ways to secure your system? Try the GrSecurity kernel patch and gain greater control over files, resources and who sees them.
Wireless cards can be quite a bit of trouble for Linux users. Very few manufacturers have any interest in writing Linux drivers or releasing information about their cards so other people can use this information to write Linux drivers.
If you use charts to represent relationships between data or objects in presentations or project reports, try Graphviz. Graphviz is visualization software is designed to help you easily create structural information.
As a result of articles referring to the threat of Worms and Viruses attacking Linux systems, many new Linux users are in a panic. They are running around wildly, weaping to their mothers for help...
So you need a lot of computing power but don't want to spend tens of thousands of dollars on a commercial cluster? You can build a powerful and scalable Linux cluster using only free software and off-the-shelf components. Here's how.
When faced with making Linux and Windows work together securely, system administrators can run into trouble if they don't understand or can't correctly use the administrative security controls that are present in the Microsoft Windows operating system (OS) and the Samba-3 equivalents of those controls.
Is your server as secure as it could be? Sure, you use a firewall, mandate strong passwords, and patch regularly. You even take a proactive approach by performing security audits with tools such as nmap and Nessus. Yet you may still be vulnerable to zero-day exploits and privilege escalation attacks.
Last month I introduced the ABC music notation system. This month, I continue our tour of notation programs for Linux with a look at the Common Music Notation system from composer/programmer Bill Schottstaedt.
In the simplest terms, netcat is a utility that reads and writes data across the network. Here then is an introduction to netcat for Linux users who may not be familiar with the "TCP/IP Swiss Army knife."