O | S | D | N NEWSLETTER November 10, 2002 DEVELOPER SERIES
The 'Developer Series' Newsletter is developed to bring Open Source related content to a user with a focus for development with Open Source If you'd like to receive more content relating to Open Source subscribe at http://www.osdn.com/newsletters/ ============================================================== Sponsored by Thinkgeek http://www.ThinkGeek.com/ ============================================================== Thinkgeek Cube Fodder: Tangle Desktop Toy http://www.thinkgeek.com/stuff/fun-stuff/5a38.shtml Gadgets: Sharp Zaurus Linux PDA http://www.thinkgeek.com/stuff/gadgets/5a3c.shtml Gadgets: Key Katcher http://www.thinkgeek.com/stuff/gadgets/5a05.shtml Tshirts: Kids: newbie http://www.thinkgeek.com/stuff/apparel/59cc.shtml Caffeine: Energy Gum http://www.thinkgeek.com/stuff/caffeine/5a35.shtml Gadgets: Super Bright GREEN Laser Pointer! http://www.thinkgeek.com/stuff/gadgets/5a1d.shtml Gadgets: SoundBug - Turns Glossy Surfaces Into Speakers! http://www.thinkgeek.com/stuff/computing/5a15.shtml Tshirts: It Must Be User Error http://www.thinkgeek.com/stuff/apparel/59fe.shtml Gadgets: Key Katcher Privacy Device http://www.thinkgeek.com/stuff/gadgets/5a05.shtml Gadgets: Mini Wireless Color Video Cam (for RC rovers) http://www.thinkgeek.com/stuff/fun-stuff/59eb.shtml Cube Goodies: Levitron Desktop Levitation Toy http://www.thinkgeek.com/stuff/fun-stuff/59a9.shtml Tshirts: Bug Off, I'm On My Break http://www.thinkgeek.com/stuff/apparel/5a00.shtml Watches: onHand PC Watch http://www.thinkgeek.com/stuff/gadgets/5a1a.shtml Caffeine: Hyperglow Caffeinated Beer http://www.thinkgeek.com/stuff/looflirpa/beer.shtml Gadgets: Desktop Zero Point Infinite Power Generator http://www.thinkgeek.com/stuff/looflirpa/zero.shtml Cube Fodder: New Desktop Mini Fridge/Warmer http://www.thinkgeek.com/stuff/fun-stuff/5991.shtml Mods: New Lian-LIi Cases http://www.thinkgeek.com/stuff/computing/cases-mods.shtml Cube Fodder: LED Binary Clock http://www.thinkgeek.com/stuff/fun-stuff/59e0.shtml Cube Fodder: Rogers Connection Magnetic Set http://www.thinkgeek.com/stuff/fun-stuff/59b4.shtml Caffeine: Warp Mints In Cinnamon Flavor http://www.thinkgeek.com/stuff/caffeine/59de.shtml Sourceforge Automated Security Tools http://sourceforge.net/project/showfiles.php?group_id=51027 Release Candidate 1 phpLotto http://sourceforge.net/project/showfiles.php?group_id=53340 phpLotto 1st Release Legend of the Wonderer TCG http://sourceforge.net/project/showfiles.php?group_id=44698 battle system in the project Docs Advanced Simlulation Toolkit http://sourceforge.net/project/showfiles.php?group_id=48818 Recruiting PHPortal http://sourceforge.net/project/showfiles.php?group_id=28568 PHPortal version 0.1.9 released! PCGen -- A d20 Character Generator http://sourceforge.net/project/showfiles.php?group_id=25576 PCGen 2.6.3 is available MySQL Objective C API for Cocoa http://sourceforge.net/project/showfiles.php?group_id=42424 SMySQL version 0.7.0 i810 Framebuffer Device Driver http://sourceforge.net/project/showfiles.php?group_id=39579 Video Overlay Support for the Intel 810 and 815 Framebuffer 'Just For Fun' Network Management System http://sourceforge.net/project/showfiles.php?group_id=46041 JFF Network Management System 0.6.4 VietPad http://sourceforge.net/project/showfiles.php?group_id=46758 VietPad 1.0.2 Release Slashdot W3C Releases Drafts For DOM L2 And More http://slashdot.org/article.pl?sid=02/11/10/0334248 TobiasSodergren writes "People at W3C seem to have had a busy Friday, according to their website. They have released no less than 4 working drafts ([0]Web Ontology Language (OWL) Guide, the QA Working group - [1]Introduction, [2]Process and Operational Guidelines, [3]Specification Guidelines) and 2 proposed recommendations: [4]XML-Signature XPath Filter 2.0 and [5]HTML DOM 2. Does the this mean that one can expect browsers to behave in a predictable manner when playing around with HTML documents? Hope is the last thing to leave optimistic people, right?" Links 0. http://www.w3.org/TR/2002/WD-owl-guide-20021104/ 1. http://www.w3.org/TR/2002/WD-qaframe-intro-20021108/ 2. http://www.w3.org/TR/2002/WD-qaframe-ops-20021108/ 3. http://www.w3.org/TR/2002/WD-qaframe-spec-20021108/ 4. http://www.w3.org/TR/2002/REC-xmldsig-filter2-20021108/ 5. http://www.w3.org/TR/2002/PR-DOM-Level-2-HTML-20021108/ Edgar Allan Poe, Cosmologist http://slashdot.org/article.pl?sid=02/11/10/0318219 [0]David Mazzotta writes "Bet you didn't know Edgar Allen Poe pre-discovered the Big Bang and Black Holes. [1]This article at the NYT discusses the concept of pre-discovery, or theorhetical anticipation of eventual scientific discoveries. Most of these come from forward thinking physicists, but occasionally they come from a morbid, alcoholic, poet." Links 0. http://www.damsite.blogspot.com 1. http://www.nytimes.com/2002/11/02/arts/02TANK.html?pagewanted=all&position=top More Fun Than You Can Shake A Stick At http://slashdot.org/article.pl?sid=02/11/10/0311213 BrokenPipe writes "When I was in Japan last summer I bought a PlayStation 2 in anticipation of a game that was just released a couple of weeks ago. It is only available in Japan and it will probably never be released in the US. It is called "Taiko no Tatsujin". The game has been in the arcades in Tokyo for a while but it has just been released for the PlayStation 2. Apparently it is the [0]number 3 game in Japan right now and many places are sold out. Luckily, mine arrived this past Monday. So what is the hype all about? Well, the game is based on Japanese traditional drums which are called 'taiko' drums. Basically, you need to drum along with a song, hitting the drum at just the right moment. Most of the songs are either Japanese pop songs (J-Pop) or more traditional Japanese songs. It is a great game for all ages. The [1]official website is here." For more information, here are several more sites to puzzle over: [2]one, [3]two, [4]three, [5]four, [6]five. Links 0. http://www.gamers.com/news/1262964 1. http://www.namco.co.jp/home/cs/ps2/taikonotatsujin/ 2. http://ps2.ign.com/articles/363/363631p1.html 3. http://xengamers.com/sections/news/8768/ 4. http://xengamers.com/sections/reviews/9093/ 5. http://forums.ddrei.com/viewtopic.php?t=1739 6. http://www.happypuppy.com/features/editorials/tuneintoky-ed-1a.html Sensors Gone Wild http://slashdot.org/article.pl?sid=02/11/10/008246 tulanian writes "[0]forbes.com has an interesting [1]article on networked, intelligent sensors. It mentions an experiment done by DARPA where several dozen magnetic sensors were scattered along a road and passing vehicles could be identified by their magnetic signatures." Links 0. http://www.forbes.com/ 1. http://www.forbes.com/global/2002/1028/076.html The Pentagon Wants Your Secrets http://slashdot.org/article.pl?sid=02/11/09/2242250 [0]Teknogeek was one of the many readers to point out today's New York Times report on what one submitter dubbed "Son of Carnivore." "This should scare you: Vice Admiral John [1]Poindexter wants to create a supercomputer capable of hunting through electronic databases all over the world, looking for suspected terrorists. According to the article, Poindexter outlines a need to '"break down the stovepipes' that separate commercial and government databases, allowing teams of intelligence analysts to hunt for hidden patterns of activity with powerful computers.'" Links 0. mailto:technogeek@;@@mindlessbile...com 1. http://www.azstarnet.com/star/today/21109NPENTAGON-COMPUTER-11.html Theoretical Physics Breakthrough or Hoax? http://slashdot.org/article.pl?sid=02/11/09/2120244 Brooklyn Bob writes "Ever get the feeling that some theoretical physics papers just don't make sense? According to this [0]New York Times article, you may be right. Genius or gibberish? Who knows?" This belongs on your virtual refrigerator with nice big virtual magnet. Links 0. http://www.nytimes.com/2002/11/09/arts/09PHYS.html Hard Drive of the Future: Ram Drive http://slashdot.org/article.pl?sid=02/11/09/2037208 [0]benzick writes "[1]3d Retreat has posted a [2]hands on look at a 2gig ram drive called the Rocket Drive. Article blurb: Overall the rocket drive is the best in I/O performance I have seen. It outperforms U160 SCSI drives by almost a factor of two. Yet there are some drawbacks to the Rocket drive, foremost is the price, although listed at the end of the review is some alternative pricing options to make it less expensive. And the rocket drive can not act as a boot drive. Also, if you have some extra money to spend, you can use multiple rocket drives in parallel." Links 0. mailto:snicker@;3dretreat.com 1. http://www.3dretreat.com/ 2. http://www.3dretreat.com/reviews/rocketdrive/ EU Anti-Hate Laws On The Web http://slashdot.org/article.pl?sid=02/11/09/1920226 [0]coupco writes "The European Union's Council of Europe passes a measure that would make hate speech on the web illegal, and subject to banning and filtering. A story on Wired News [1] explains the How and Why." Links 0. mailto:coupco_wwjd@;sasktel.net 1. http://www.wired.com/news/business/0,1367,56294,00.html Online Game Cluster http://slashdot.org/article.pl?sid=02/11/09/1355204 axehind writes "Carlo Daffara [0]posted to the [1]openMosix mailing list about his game cluster. It's a 6 node cluster using Athlon XP cpus and running linux & openmosix (with some qdisc trickery) for the OS. It is used to host approximately 1000 users playing online games, like Jedi Knight and Quake III. [2]Here's a link (italian) to the pictures." Links 0. http://sourceforge.net/mailarchive/forum.php?thread_id=1287441&forum_id=7897 1. http://openmosix.sourceforge.net/ 2. http://www.cybergames.it/cyb.php?pagid=krk_shw PA ISP to Restrict P2P Uploads http://slashdot.org/article.pl?sid=02/11/09/1520237 Maleko writes "[0]PenTeleData, once an innovator in broadband internet service, (was one of, if not the first cable internet providers in the USA) has decided that their customers need to disable P2P uploads or face possible filtering to stop uploads. [1]DSLReports has [2]the story." While an interesting solution on the part of the ISP, it will definitely increase the number of "leechers" on file-sharing systems. Links 0. http://www.ptd.net/ 1. http://www.dslreports.com/ 2. http://www.dslreports.com/shownews/23358 Freshmeat Maximum Linux Security http://freshmeat.net/articles/view/599 Maximum Linux Security's author is clearly ignorant of cryptographer Bruce Schneier's claim that "Security is a process, not a product." At its best, this book is a catalogue of useful security tools. However, very little context is provided for these tools. There is no discussion of particular vulnerabilities and how they are exploited, of network architecture and the difficulties inherent in TCP/IP networking, or of application-level problems. Arch Revision Control System 1.0pre10 http://freshmeat.net/releases/102942/ Arch is a distributed revision control system that features distributed databases, fancy merging, support for renaming, unobtrusive operation, a Web interface, and revision libraries. It consists of a collection of shell scripts and C code, and brings together many shell utilities, SSH, HTTP, diff, and patch. Clock randomness gathering daemon 1.0.0 http://freshmeat.net/releases/102879/ The Clock randomness gathering daemon gathers system randomness from fluctuations between different physical high-frequency clocks in a system. The randomness is tested with FIPS, and if this is successful, fed into the system entropy pool. It is especially useful for systems without real hardware random number generators. Firewall by Jim 1.30 http://freshmeat.net/releases/102950/ This is a firewall that takes advantage of tcp_wrappers information to block users. It also uses separate files for configuration ease. It is designed to work out of the box with eth0 for internet and eth1 for the LAN. Fopps 0.12a http://freshmeat.net/releases/102935/ FOPPS (Feature Oriented Product Planning System) is a tool that helps you to design your software product line. It provides different views such as a project plan and feature tree to help maintain your core assets and applications. GnomeICU 0.99 beta http://freshmeat.net/releases/102954/ GnomeICU is a Gnome application which allows one to communicate with other GnomeICU users or others who use ICQ (Windows, Java, Mac, etc). With GnomeICU, one can send and receive messages, change online modes, send and receive URLs, and much more. Grande 0.5 http://freshmeat.net/releases/102946/ Grande is a "ZANAC"-esque 2D scrolling shooting game. Enemies must be attacked with a variety of weapons. Hollywood Plus/DXR3 Linux Drivers 0.13.0 http://freshmeat.net/releases/102952/ The Hollywood Plus/DXR3 Linux Drivers provide kernel drivers for MPEG/DVD decoders based on the em8300 chipset. This includes the DXR3 from Creative Labs and the Hollywood Plus from Sigma Designs. libferris 0.9.50 http://freshmeat.net/releases/102953/ libferris is a virtual filesystem that exposes hierarchical data of all kinds through a common C++ interface. Access to data is performed using C++ IOStreams and Extended Attributes (EA) can be attached to each datum to present metadata. Ferris uses a plugin API to read various data sources and expose them as contexts and to generate interesting EA. Current implementations include Native (kernel disk IO with event updates using fam), xml (mount an xml file as a filesystem), edb (mount a berkeley database), ffilter (mount an LDAP filter string) and mbox (mount your mailbox). EA generators include image, audio, and animation decoders. LiVES 0.2.0 http://freshmeat.net/releases/102951/ LiVES (the Linux Video Editing System) is intended to be a simple yet powerful video effects and editing system. It will use commonly available tools (mplayer, ImageMagick, and GTK+, and in the future possibly gstreamer or xine), so it should work on most systems. It is currently usable for small video files. Tcpreplay 1.3-Beta5 http://freshmeat.net/releases/102955/ Tcpreplay is a set of Unix tools which allows the replaying of captured network traffic (pcap or snoop format). It can be used to test a variety of network devices including routers, firewalls, and NIDS. Xchat_speak.pl 0.3.1 http://freshmeat.net/releases/102949/ xchat_speak is a small Perl script designed to be used with xchat to act as a bridge between it and the Festival Speech Synthesis System. Using it allows you to listen to IRC conversations rather than just reading them. This turns out to be quite useful if you want to get on with something else while IRCing. Slashcode Show Domains: Explain, please. http://slashcode.com/article.pl?sid=02/11/10/057254 On the user comments options page, an option exists to "Show the links domain only in recommended situations". What are the "recommended situations", exactly? How does this differ from the option to "Always show link domains"? Upgrading to MySQL 4? http://slashcode.com/article.pl?sid=02/11/03/015232 In order to support some other projects I need to roll out on my server, I need to upgrade to a real ACID database, which supports transactions. Has anybody yet tried using Slash running on MySQL 4.0, which now supports transactions? Are there any caevats or tricks to doing the switchover, beyond the general upgrade notes for MySQL? Slash plugins and version 2.3 http://slashcode.com/article.pl?sid=02/11/01/0552241 I've been looking at a lot of modules (specifically email.pm and Galleria), and it appears that they all require Slash version 2.3. Is upgrading from 2.2.6 to one of the 2.3 versions dangerous? Is it as simple as compiling and installing? Are there places to get these plugins written for the release version of Slash? Or am I being a nincompoop? How to Make Users Authors? http://slashcode.com/article.pl?sid=02/10/30/200220 What is the proper way to turn users into authors? I'm interested in this because I would like to use Slash as something my group uses to communicate with each other and the world. I would like the people in the group to function as the authors since it is their site. I've been looking around in documentation and FAQs but can't find this documented anywhere. SubnetID is masked using what? http://slashcode.com/article.pl?sid=02/10/30/1959257 When Slash stores the SubnetID in the database, what Subnet mask is it using? I was hoping to find this in the vars table, but no luck. Any ideas? www.vorlonspace.org http://slashcode.com/article.pl?sid=02/10/29/2232226 It's still in development for other things, but vorlonspace.org is now up and running (for the most part). Thanks to the guys on the irc channel that helped me with some of the configuration issues I had. This site is going to be a nexus of Babylon 5 information stemming from the television show to the out of print customizable card game. www.toborguru.com http://slashcode.com/article.pl?sid=02/10/28/037201 I have a new site up and running, not Much in the way of content but I do have some information about one of my projects up at this point. Enjoy. Code for Moderator Status Headline on Front Page? http://slashcode.com/article.pl?sid=02/10/26/1952222 Slashdot is now running a very useful banner on the front page when the user is a moderator: "You have X Moderator Points! Use 'em or lose 'em!". My users have been asking for something like this for weeks. Can someone point me to the appropriate template mod please? Comment Status "Read-only" means what, exa http://slashcode.com/article.pl?sid=02/10/24/1558218 There are 3 posible commentcodes defined in the default installation of the code_param table: "Comments Enabled", "Comments Disabled", and "Read Only". The first two options are fairly obvious, either allowing or disallowing comments in the discussion (I presume). But what is the "Read Only" option for? How does it differ from "Comments Disabled"? Unable to start slashd? http://slashcode.com/article.pl?sid=02/10/24/0723238 I have an up and running slash site ToborGuru.com I have been playing with the templates and the general look and feel of the site and am very happy with the capabilities of slashcode. However I have had a couple of problems and I think I MAY know what is causing them now. First off the index page is not displaying an "X comments" link in the linkStory Template, and portald boxes are not updating/ being displayed (they show up if they had content before (slashdot, slashcode) but they have old stories, and the new ones are not getting any content at all and are not being displayed). After reading some of the earlier questions to this site and looking at it myself it SEEMS as though slashd is not actually starting (would my site still run at all?). I have no running slashd processes, and when I run "slashd start" by hand this is the message I get: "DBIx::Password returned *nothing* for virtual user start DSN (is the username correct?) at /usr/local/lib/perl5/site_perl/5.8.0/i586-linux/Sl ash/DB.pm line 46.". I JUST tested DBIx::Password with the following results: "##################Note!######################### If you are not on the machine that will be using these passwords this will most likely fail. Now, lets test getDriver() by itself Finding driver:mysql Now, lets see if we can make create objects Trying: virtual_userFinding driver:mysql ok 2" So everthing appears to be working correctly there. I have also noticed that I do not have any slashd log entries for more than a month, I installed slash JUST over a month ago, and am curious as to what I may have broken since the site IS still working other than the symptoms listed above. Any help would be greatly appreciated. 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