Range-Keyed Queries Dan Tow, author of SQL Tuning, ran into a rather interesting dilemma on an Oracle mail group regarding a recurring class of SQL tuning problems. Dan presents the original single-row query problem and shows the route to the most viable solution. [LinuxDevCenter.com]
Ten Tips for Building Your First High-Performance Cluster Been meaning to build your very first high-performance Linux cluster, but fear the trials and tribulations? Joseph D. Sloan, author of High Performance Linux Clusters with OSCAR, Rocks, OpenMosix, and MPI, saves you the trouble with ten very helpful tips. Now you can get all of the cost effectiveness of high-performance clusters without all of the frustration. [LinuxDevCenter.com]
Clever Tricks with MythTV Building your own personal video recorder means that you can avoid manufacturer- or broadcaster-enforced restrictions. That's not all, though. John Littler presents some clever ideas on what you can accomplish with a MythTV box, some free time, and a little work. [O'Reilly Network]
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Security Alerts
Linux AMD64 Kernel Bug
Noel Davis looks at a Linux 2.4 kernel bug on AMD64 machines, problems in Samba, changepassword.cgi, MPlayer, the MIT Kerberos 5 administration library, logcheck, Sybase Adaptive Server Enterprise, Konqueror, Debian debmake, Xpdf, and xzgv.
[LinuxDevCenter.com]
Freedom, Innovation, and Convenience: The RMS Interview Since 1984, Richard M. Stallman has fought for software freedom as a coder, a project leader, and a philosopher. The GNU GPL and GNU/Linux projects are just two results of that work. Federico Biancuzzi recently interviewed rms about his views on freedom, the GNU project, and the Linux kernel and GNU/Linux distributions. [LinuxDevCenter.com]
Excerpt from Linux Cookbook, Part 2 In the second part of this two-part series, Carla Schroder, author of Linux Cookbook, offers two more recipes, including tips on running different window managers simultaneously with Xnest and hosting multiple domains with Apache. [LinuxDevCenter.com]
Security Alerts
J2SE Woes
Noel Davis looks at problems in the Java 2 Runtime Environment, wget, FreeBSD's procfs and linprocfs, OpenSSL, OpenSSH, AbiWord, Blogtorrent, scponly, rssh, and kfax.
[LinuxDevCenter.com]
Adding Permissions Using SELinux As an SELinux administrator, one of the most frequent SELinux policy customizations you're likely to perform is adding permissions to coax the security engine into accepting an operation. In today's excerpt from SELinux, author Bill McCarty considers an actual situation based on Fedora Core 2's SELinux implementation and shows how it's resolved. [LinuxDevCenter.com]
Linux Music Blossoms with Rosegarden No kidding: many software geeks are also music geeks. It should be no surprise that free software music programs have started to rival their commercial counterparts. Howard Wen walks through Rosegarden, a Linux-based music sequencer and scoring package. [LinuxDevCenter.com]
The Watchful Eye of FAM If you've ever written code waiting for a file to appear or change, you've likely done the select/sleep loop dance. How'd you like to never again experience that? SGI's File Alteration Monitor API can help. Ethan McCallum demonstrates how to watch files and directories on Linux, Irix, and probably your other favorite, Unix. [LinuxDevCenter.com]
Excerpt from Linux Cookbook, Part 1 Carla Schroder, author of Linux Cookbook, has three tasty recipes to share in this week's excerpt. Whether you want tips on installing a program for easy uninstall, killing user processes, or better logins without passwords, Carla poses the problems and offers solutions. Too bad not all recipes can be this clear, quick, and painless. [LinuxDevCenter.com]
True Stories of Knoppix Rescues A battle-hardened sysadmin shares his near-death tales ... of Knoppix rescue. Kyle Rankin, author of Knoppix Hacks, is a true Knoppix veteran with endless stories of broken systems and machines in distress. In this article, he shares a few of his favorites, complete with outcomes and weapons of choice. Not for the faint of heart. [LinuxDevCenter.com]
Security Alerts
ELF Trouble
Noel Davis looks at problems in the Linux kernel, sudo, TWiki, phpBB, cscope, Cyrus IMAP, Bugzilla, ProZilla, unarj, libxml2, and fetch.
[LinuxDevCenter.com]
Feather Linux: The Swiss Army Knife of LiveCDs Bootable LiveCDs have made the lives of Linux dabblers easier. They're also good for administrators and people facing system recovery woes. Among LiveCDs, Feather Linux is a lean and powerful tool. KIVILCIM Hindistan demonstrates how it can make backing up and restoring partitions easy. [LinuxDevCenter.com]
Advanced Linux Installations and Upgrades with Kickstart Unix is beautifully scriptable. That applies to installations and upgrades, too. Fedora's Kickstart utility can automate installing entire labs of computers, installing custom RPMs, and even upgrading old versions. Ethan McCallum explains advanced Kickstart techniques. [LinuxDevCenter.com]
Security Alerts
Media-Tool Trouble
Noel Davis looks at problems in libgd, mtink, zip, ruby, Samba, freeamp, Kaffeine and gxine, Portage, zgv, shadow, and BNC.
[LinuxDevCenter.com]
Security Alerts
Trouble in iptables
Noel Davis looks at problems in Linux iptables, OpenSSL, PuTTY, rssh, Quake II Server, libmagick6, HP Serviceguard, Xpdf, FreeRadius, WVTFTPD, GNU tftp, and pppd.
[LinuxDevCenter.com]
A Firm Foundation for the Linux Desktop Nearly every advance of Linux, open source, and free software on the desktop owes a debt to the X Window System. Too often, this debt goes unacknowledged. With the birth of X.org earlier this year, a foundational but once-stagnant project prepares to improve itself and its code to help free desktops everywhere. Andy Oram reports. [LinuxDevCenter.com]
Security Alerts
mod_ssl Problems
Noel Davis looks at problems in mod_ssl, LibTIFF, mpg123, LessTif, the Cyrus SASL library, MySQL, CUPS, ProFTPD, and the Squid web proxy cache.
[O'Reilly Network]
PC Hacks for Linux PC Hacks author Jim Aspinwall handpicks two Linux-specific hacks to share from his new book. Whether Linux just won't boot or it isn't as zippy as you'd expect, help is merely a hack away. Jim will teach you how to recover your system's boot-ability as well as how to test and optimize Linux's settings for the best hard drive performance. [LinuxDevCenter.com]
Storming the Microsoft Edifice In the battle for open source and open standards on user desktops, applications such as OpenOffice.org and Mozilla Firefox are stealthily winning small skirmishes. Sam Hiser describes the situation in terms of Monty Python's "Trojan rabbit." [LinuxDevCenter.com]
A Day in the Life of Dave the Dollar In the world of Linux financial software, GnuCash stands out as a powerful but esoteric project. For users who never learned financial bookkeeping (and many who did), double-entry accounting is a difficult subject to master before using the program. As Breckin Loggins explains, though, it's much easier than it first appears. [LinuxDevCenter.com]
Security Alerts
Temporary-File Race Conditions
Noel Davis looks at a collection of temporary-file race conditions, and problems in Samba, GNU sharutils, JRun, Subversion, imlib, IBM AIX ctstrtcasd, YahooPOPs, and OpenOffice.org.
[LinuxDevCenter.com]
Devil Whiskey: From Fan-Made to Self-Made The golden age of computer RPGs saw classic 2D, party-based dungeon crawls in series such as Wizardry, Might and Magic, and The Bard's Tale. The recent open-source-friendly Devil Whiskey tries to pay homage to those days and find a way to compensate its developers at the same time. Howard Wen explores a modern classic in the making. [LinuxDevCenter.com]
Security Alerts
New Apache
Noel Davis look at problems in Apache 2.x, GNU Radius, libXpm, CUPS, gdk-pixbug, cdrtools, SUS, and Webmin.
[LinuxDevCenter.com]
Defining the Linux Enterprise Linux users often call into question decisions by major vendors who increase innovation in the enterprise at the expense of the desktop. In this article, Tom Adelstein, coauthor of Exploring the JDS Linux Desktop, defines the market and discusses the business reasons why Linux companies pursue the enterprise market while limiting their initiatives for consumers. Tom also examines possible ways enterprise advances and the community can benefit consumer products. [LinuxDevCenter.com]
The Best Tips from the Great Linux Desktop Migration Contest What's the best way to move an organization to a Linux desktop? Here's a collection of the best tips we received from our Great Linux Desktop Migration contest. [LinuxDevCenter.com]
Open Source and Free Documentation Licenses, Part 1: The GNU FDL The same principles that apply to open source licenses also apply to licenses for documentation and works other than software. In part one of a two-part series, Andrew St. Laurent looks at the first of three such licenses, the GNU Free Documentation License (FDL). He reviews the FDL section by section, and concludes with a look at some minor problems and ambiguities in definitions. Andrew is the author of Understanding Open Source and Free Software Licensing. [ONLamp.com]
Improving Linux Driver Installation The availability and quality of hardware support has a huge effect on Linux adoption. With the Linux revolution fully under way, the philosophical underpinnings of the kernel's approach to device handling have come into question. Linus is unlikely to budge. As Jono Bacon explains, this leaves two new projects to bridge some of the gaps between philosophical purity and practical support. [LinuxDevCenter.com]
Security Alerts
Linux Kernel Exploitation
Noel Davis looks at problems in the Linux kernel, Oracle Database Server, Oracle Application Server, DB2 Universal Database, vpopmail, MIT Kerberos 5, cfengine, CDE libDtHelp, Anonymous CVS, Samba, the zlib library, Courier-IMAP, and Python.
[LinuxDevCenter.com]
Scribus: Open Source Desktop Publishing Desktop publishing came of age in the '80s, but open source options concentrated mostly on TeX and LaTeX. For users who want a friendlier interface, Scribus aims squarely at PageMaker and QuarkXPress. Howard Wen explores the features of Scribus and talks to its developers. [LinuxDevCenter.com]
Dave Whitinger: Inventing Linux News Reporting In 1997, Dave Whitinger began collecting and spreading news about the adoption of the still-fledgeling Linux operating system. It grew into the immensely popular Linux Today. Dave retired from the Linux news scene, but he's returned now with a new site and fresh ideas. Tom Adelstein interviewed Dave recently on promoting Linux worldwide. [LinuxDevCenter.com]
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This directory of Linux commands is from Linux in a Nutshell, 4th Edition. |
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NewsForge: Building a Command-Line Generator for RSS Feeds "While there's no shortage of Web-based programs that output RSS, sometimes all you want to do is generate and serve a quick-and-dirty feed, perhaps as part of a script, or using the output of some other program..." [Source: Linux Today] Free Software Magazine: The Magic of Live CDs "Why would anyone want to have to carry around a CD, rather than having a desktop or laptop computer, which is fully installed and ready to go...?" [Source: Linux Today] SearchEnterpriseLinux: How-to: MS-to-Linux Desktops with Alacos' Migration Tool "When a new product is announced, the word goes out about its features. If the product sounds like a good thing, then you wonder, 'What would it be like to use it?' Our new product how-to series answers that question..." [Source: Linux Today] Security Digest: January 18, 2005 Today's security advisories: twiki (Conectiva Linux); gatos, queue, chbg, playmidi, and gallery (Debian GNU/Linux); Squid (Gentoo Linux); cups (Mandrakelinux); and php4, mod_php4 (SUSE Linux). [Source: Linux Today] Release Digest: KDE, January 18, 2005 Today's KDE apps: Luma - LDAP Editor/Application Framework 2.0, bksys 0.9.9, Misfit Model 3D 1.1.4, and OpenC6 0.9.7-beta. [Source: Linux Today] Release Digest: GNOME, January 18, 2005 Today's GNOME apps: Cornfed SIP User Agent 0.5.1, graveman 0.3.0, Bond 2.0.7, Paymaster 0.4.0, Timer Applet 0.3, gtk-send-pr 0.4.2, and Liferea 0.9.0b. [Source: Linux Today] Release Digest: Distributions, January 18, 2005 Today's distributions: Hakin9 Live 2.4, Berry Linux 0.52, Xfld 0.2, Hikarunix 0.3, Navyn OS 2005.01, Knopperdisk 0.2.1, and Litrix 2.1. [Source: Linux Today] BigTux Shows Linux Scales To 64-Way [Source: geeknews] CoolTechZone: Linux: A Brave GNU World "In this article, we will attempt to give a broad introduction to the world of Linux..." [Source: Linux Today] Community: Spreading the Two-Panel Paradigm "What really got me wondering while reading through blogs, forums, and news sites was what makes a program a widespread success and what makes different programmers work together..." [Source: Linux Today] IT-Director: The Prospect for 2005 "Linux and Windows are the only two that currently qualify as major players here although other platforms could conceivably emerge from the mobile device market or even the gaming world..." [Source: Linux Today] internetnews.com: Mandrake Targeting US Linux Market "The United States market for Linux support got more crowded Tuesday after French Linux vendor Mandrakesoft announced a partner program and a new line of Linux servers for the SMB (small to medium business) market in the U.S..." [Source: Linux Today] |
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