Bonnie is a simple benchmark which measures how fast it can read and write to a filesystem. These are the results of bonnie runs that I've made on various machines ...
Introduction Model view controller is a pattern that defines a structure that works well for user interface programming. It came out of the Smalltalk community and ...
(TobyCabot 08 Nov 2003) Why send XML to browsers? Semantic web, efficiency, ... How do you send XML to browsers? Mimetype Attach xslt and css documents using processing ...
HP 9350i 10x4x32 IDE, slave on ide0 As of Linux 2.6 you don't seem to need to use SCSI emulation anymore as long as you tell cdrecord what to do using dev ATAPI ...
One of the companies I worked for shut down quickly and gave some of their hardware to the staff. I ended up with a Compaq DL380 server, which is a 3U rackmount machine ...
CVS is the Concurrent Versions System, a file revision control system. It works nicely for distributed development, but is weak in branching and merging. It's by ...
Cygwin is a unix emulation environment for Windows. If you must use a Windows machine to write code then Cygwin will help. http://www.cygwin.com/ After installing ...
(Back to ProgrammingBookmarks) Relational databases aren't cool, but they are hugely important to businesses around the world. I've been involved with databases for ...
(back to TechNotes) OracleBasics OracleOnDebian PostgresOracleInteroperability MySqlNotes Here's a shallow but interesting article on Oracle performance ...
(other DebianTips) Multiple IP's on one ethernet port Multi home hosts are possible, make sure that the kernel has "IP: aliasing support" built in. It appears as ...
(other DebianTips) I once had a problem where apt get and dselect started seg faulting when they were "Building Dependency Tree". Moving /var/cache/apt/pkgcache ...
(other DebianTips) In order to administer printers your userid needs to be in the lpadmin group. Debian Squeeze Slightly peculiar setup using an old nop LaserJet ...
One thing that I consider fun but wouldn't necessarily recommend to other people is running GNU/Linux on "interesting" hardware. Most of the time it's old 386 stuff ...
Debian GNU/Linux is the computer operating system that I use when I get to choose. It's a version of the GNU/Linux operating system that's developed cooperatively ...
The Minolta Dimage S304 is a nice digital camera. It takes very crisp pictures and has a movie mode which can take 60 second movies. The only problem I have with ...
"Back in the day" I used to spec disk storage (e.g. EMC Symmetrix) for customers who paid around $1000/GB. Then I spent about 2 years away from the system sizing ...
(back to TechNotes) nop DocBook is a structured document format that allows you to write a document in SGML (or XML) and then convert it to many different formats ...
(back to ProgrammingNotes) Emacs is more than an editor it's a lifestyle. I spent years using vi but have fairly recently started to make the investment to join ...
To enable the VT1211 chip (at least for Linux 2.6.18) you need to apply a patch: http://ftp.ntu.edu.tw/ftp/pub/linux/kernel/people/gregkh/i2c/2.6/2.6.18/hwmon vt1211 ...
I like Fedora GNU/Linux since it's split from Red Hat. It appears to be moving in Debian's direction, i.e. it's a community driven distribution. The key difference ...
Introduction In the physical world, entropy is the unavoidable consequence of the 2nd law of thermodynamics. In theory the 2nd law doesn't hold in cyberspace, but ...
What is Free Software? Quoting from the Free Software Foundation: ``Free software'' is a matter of liberty, not price. To understand the concept, you should think ...
(other TechNotes) GDB is the GNU project debugger. help gets help. b sets a breakpoint, i.e. b class::function or b filename:linenum . run (with optional ...
The Apache group's j2ee server is called Geronimo. Here are some notes. The home page is http://geronimo.apache.org/ and there's a wiki at http://wiki.apache.org ...
(see also UbuntuInstallationNotes) Non profit organizations increasingly depend on computers to help with day to day activities. Computers are very useful devices ...
(see also GnuLinuxForTecsChange for a page that I wrote to lobby Tecschange to use GNU/Linux) Take I A few people, working under the aegis of TecsChange, gave an ...
(back to GnuLinuxIntro) GNU/Linux Overview Introductions Teachers introduce themselves, ask the class to introduce themselves. Why Do You Want To Learn About GNU ...
AC RAID.edu Disk I/O Benchmarks http:/ ...
BonnieResults CdWriter SoundBlaster VaioTips ThinkpadTips DimageS304Tips CompaqDl380Tips HpIpaq1940 EpiaMiiTips A great site for ...
Interesting page talking about building a touchscreen appliance: http://www.cdp1802.org/touch/ TobyCabot 05 Oct 2001
The hp iPAQ 1940 is a small Pocket PC with a very nice screen. It's inexpensive and very thin and light. People are working on getting Linux running on it: http: ...
nop JHotDraw is a framework for building Swing drawing applications. It's descended from a toolkit written in nop SmallTalk by one of the "gang of four" patterns ...
An Entity Bean is persistent. The persistence can be CMP (container managed persistence) or BMP (bean managed persistence). Each bean has a primary key which ...
http://java.sun.com/javase/6/docs/technotes/guides/security/ Chapter J2EE.3 of the j2ee 1.4 spec http://java.sun.com/products/j2ee/ (includes a simple example) Chapter ...
(over to JavaProgrammingBookmarks) Java is a popular programming language written by Sun Microsystems. It's an object oriented language that runs inside a "virtual ...
(over to JavaNotes) EJB Containers A list of commercial and free EJB servers: http://www.mgm edv.de/ejbsig/ejbservers.html ...
(back to JavaNotes) Example database datasource configs are in docs/example/jca. Give jboss more memory than the java default you'll be glad you did (or sorry if ...
Most folks buy their TV's at places like Sears or Best Buy, and there's a lot to be said for plunking your credit card down and driving home with a functional television ...
Going Further: Where to Find Support and Documentation Once you have GNU/Linux installed, how do you learn more? online help: "man", "apropos" commands, CDROM ...
Mandrake Linux 8.0 uses RPM 4.0 http://www.rpm.org/ as its package manager but does some things a little differently. The man pages for rpm indicate that you can ...
(back to TechNotes) I use Mandrake Linux on my Vaio; I don't like it as much as Debian but it seemed like the easiest to install on machines that already have Windows ...
font config note that I should follow up on: http://lists.debian.org/debian devel/2003/debian devel 200304/msg01763.html http://www.logilab.org/narval/ looks very ...
The January 2001 edition of http://www.linuxgazette.com/ (in "the answer gang" column) solved an issue that's been nagging me for quite some time now. The original ...
I'd like to make TBL's Semantic Web happen, so I'm helping out in a small way: I converted my resume to XML. I'm using the dtd at http://xmlresume.sourceforge.net ...
http://www.mysql.com/ Small, fast database for simple tasks like providing services to web servers. http://www.mysql.com/doc/en/index.html manual mysql host host ...
This seems like an interesting project, still in its infancy. http://openejb.exolab.org/ to build: 1. Get a fresh checkout of the source (see website for details ...
I once worked for a company (Kenan Systems) that wrote billing software for telcos, and I'm a big fan of Free Software and Open Source software. So I've been casually ...
These are ideas I have for little hacks to open source projects: TWiki it would be cool to translate to XML instead of HTML and use a style sheet to transform ...
The Oracle graphical console is called oemapp . You'll most likely want to run oemapp dbastudio , make sure that X is working first. Get a list of tables: select ...
(back to DatabaseTips or DebianTips) During Black Ink Systems' restructuring I hosted our software in my basement on a small VA Linux server. Since I like Debian ...
Several years ago my boss and friend gave me a Palm III for a present. I had a Psion series 5 already, so it sat in the box for a few years until the psion bit the ...
I like perl, but I don't use it enough to really get it. To manipulate dates use the Date::Manip package. It's big and slow but the most functional date handling ...
Introduction I'd like to write a tool to manage my personal data about contacts, appointments, recurring events, notes, etc. Years ago I used a very slick "PIM" program ...
Pluggable Authentication Modules is the mechanism that Linux uses to decide whether you can log in or not. Here's a crude picture: login \ ...
AOL Sucks! Those bastards arbitrarily decided to stop receiving email from machines with dynamic IP addresses. Many GNU/Linux users (like me) like to have their machines ...
(back to TechNotes) In general I like to use Postgresql for development because it's light, quick, and the tools are very developer friendly. It's not really suited ...
Sun's reference j2ee server (j2sdk1.2.1 and j2sdk1.3) will work with Postgresql, although it's not a supported configuration and therefore probably not a great idea ...
Prevayler http://www.prevayler.org/ is an interesting tool that allows you to manage a tree of Java objects persistently. It's basically a combination of Java serialization ...
UnixProgrammingBookmarks WebProgrammingBookmarks JavaProgrammingBookmarks DatabaseProgrammingBookmarks XmlProgrammingBookmarks Source Code Control ...
RestWebServicesNotes SoapWebServicesNotes EmacsTips GdbTips PythonTips JavaNotes PerlTips CygwinNotes CvsTips XmlNotes ...
I used to have a Psion Series 5. It was a cool little computer and I really liked it, but it eventually bit the dust when the flexy cable that fed signals to the ...
(back to ProgrammingNotes) Python is a very interesting programming language. It's object oritented, very high level, interpreted, and has a clean syntax. It's ...
descend a tree full of ogg/mp3 files and build html pages and m3u playlists. m3u playlist should have all of the files in the current directory and all of the files ...
Representational State Transfer is the software architecture of the world wide web. You can use this architecture to build distributed systems it's an alternative ...
Current disk layout: Filesystem 1K blocks Used Available Use% Mounted on /dev/ida/c0d2p4 13268472 6885540 5708916 55% / tmpfs ...
My company (Riverton) sent me to the 2003 Server Side Symposium in Wakefield, MA on the last weekend in June. It was scheduled for Friday Sunday but I went Friday ...
(back to GnuLinuxIntro) This week's class introduces the students to the GNU/Linux filesystem, command line tools, and graphical tools. This intro to Linux looks ...
Definition: A Web service is a software system designed to support interoperable machine to machine interaction over a network. It has an interface described in a ...
SB16 in a debian 2.2 system: configure kernel build "Soundblaster" support as a module. use pnpdump to dump soundcard pnp values /etc/isapnp.conf, then edit ...
Tutorial: http://java.sun.com/docs/books/tutorial/uiswing/index.html Architecture overview: http://java.sun.com/products/jfc/tsc/articles/architecture/ Pretty much ...
ProgrammingBookmarks HardwareBookmarks (Other non technical WebBookmarks) http://www.conglomerate.org/ client server xml document management system. The ...
Tips UnixNotes HardwareTips DocBookTips DatabaseTips ProgrammingNotes TelephonyTips Misc UserInterfaceDesign JavaEntityBeans ...
I've spent quite a while in the telecom industry specifically, writing software used by telcos to do their thing. Here are some resources that you might find helpful ...
I got an IBM thinkpad A30 at work. It's huge, and probably the ugliest laptop I've seen singe the GRIDpad. Of course the first thing I wanted to do was install Linux ...
A bunch of folks from TecsChange are experimenting with the process of installing Ubuntu on a variety of laptops. Here are some notes from the process. General 128M ...
Universal Description, Discovery, and Integration. How's that for a pretentious name? Home: http://www.uddi.org/ Intro white paper: http://www.uddi.org/pubs/Iru UDDI ...
DebianTips MandrakeTips FedoraNotes UnixPerformanceTips PostfixComcastAol PluggableAuthenticationModules I don't know why, but the mouse (trackpoint ...
(back to UnixNotes) On a GNU/Linux system you actually perform a write operation for each read because the filesystem tracks the last access time for each file. ...
(back to WebBookmarks) The Art of Unix Programming (a/k/a TAOUP) Eric Raymond has been a fixture in the Unix community for a long time, and has a keen interest ...
Start here: http://www.asktog.com/basics/firstPrinciples.html TobyCabot 03 Apr 2001
I have a Sony VAIO PCG N505VE notebook computer. It's very small and chic, and reasonably powerful (enough for most office tasks) but the battery life stinks (Update ...
Over the past few years I've taken some snapshots of the family. My Dad's a very competent photgrapher; he's grabbed some amazing candids of people for many years ...
This is where I store notes on technology. There are few enough topics that your best bet is probably to scan the list of them in the WebIndex, or you can see the ...
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The Caboteria.Tech Web Preferences The following settings are web preferences of the The Caboteria.Tech web. These preferences overwrite the site level preferences ...
(Back to ProgrammingBookmarks) The root of all things WWW is the nop W3C: http://w3.org/ Open Web Application Security Project (OWASP) is an Open Source community ...
(back to GnuLinuxIntro) Web Server Overview Different options for establishing a presence: hosting (shared, dedicated), co location, in house. Cost/benefit. Professional ...
Statistics for The Caboteria.Tech Web Month: Topic Views: Topic Saves: Attachment Uploads: Most Popular Topic Views: Top Contributors for ...
Web Service Definition Language "an XML grammar for describing network services as collections of communication endpoints capable of exchanging messages." http: ...
(TobyCabot 11 Nov 2003) Everybody complains about the weather, but nobody does anything about it. Same with HTML. XML is the future, but can XML be sent to browsers ...
XmlSchemaNotes XsltNotes http://www.snee.com/xml/nscomments.html an XSL stylesheet that shows the namespace values of each element and attribute in a document. ...
(back to ProgrammingBookmarks) http://www.xml.com/pub/a/axml/axmlintro.html the annotated XML spec http://www.xml.org/xml/registry.jsp Oasis' XML schema/DTD registry ...
Overview http://www.w3.org/XML/Schema XML Schema is used to assess the validity of XML documents. 2 parts: 1 local validity: is each element valid? 1 overall ...
(TobyCabot 12 Nov 2003) We found out from the XmlCssExperiment that we can't expect to send XML and CSS to browsers and get good cross browser results. Mozilla does ...
Reverse Order Sometimes you want to display a list of items in the reverse order than they appear in the document. http://www.biglist.com/lists/xsl list/archives ...
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