ds9a.nl

Some random non-Linux stuff

• How to transmit and receive information using vocal cords, throat, tongue and ears, unfinished but interesting (NEW!)
• HOWTO give a good technical presentation to technical people (NEW!)
• Thoughts on the (non-)utility of DNSSEC
• Explanation of DNSSEC-bis, thoughts on its (non-)utility (NEW!)
• Project to document human metabolism
• DNA seen through the eyes of a coder
• Basic Metabolic Rate calculator (in 'mars bar equivalents'!)
• Oldest proof of me on the internet (1992)
• Some rambling about the state of physics (written some time ago but not yet listed earlier)
• Two articles on Steorn, a company which claims to have invented a free energy source.

Food

• HOWTO make a decent pizza
• HOWTO make 'Hmmm, lekker' (in dutch)
• Indiaas eten koken (dutch!)

Linux/Unix stuff

• The perfect error message - required reading for programmers
• Ottawa Linux Symposium 2005 Presentation 'On faster application startup times: Cache stuffing, seek profiling and adaptive preloading' (NEW!).
• How to make your DocBook HTML output pretty (NEW!).
PowerDNS.com, my company. And their downloadable product: the PDNS nameserver.
• Tips om Rabobank internetbankieren goed te laten werken met Firefox, Mozilla of Netscape 7 (Dutch) (NEW!).
• Some notes on floating point programming with UNIX and Linux
• HOWTO use SIMD (SSE, SSE2, SSE3, 3DNow!, MMX) instructions with gcc (NEW!).
• Linux 2.4 Advanced Routing & Traffic Shaping HOWTO
• Getting Linux 2.6 to work on a Dell Latitude D800
• Dreambox satellite receiver, some perhaps useful remarks
• Futex manpages I authored (with help from Rusty). Futexes are high performance locking primitives in the 2.6 kernel.
• How to get the linenumber from a linux kernel oops
• Ottawa Linux Symposium 2002 Presentation 'Traffic Control for the User and Developer'.
• Linux Kongress 2001 Presentation on CBQ/HTB
• Linux Logical Volume Management HOWTO (unmaintained)
• Lex & YACC HOWTO
• Simple Packet Signing aka 'Lightweight IPsec' :-)
• Some evil ideas about decentralised loadbalancing/clustering, with no single point of failure
• Beginnings of an rrdtool HOWTO (unfinished, but useful)
• dontdiff for 2.6 kernel development, updated to exclude .ko, mod.c etc
• 'Advanced' Debian Tips & Tricks HOWTO
• At one point, I got all fired up about synchronous webservices

Linux/Unix software

• Splitpipe, a tool to spread the output of, say, tar over multiple volumes (DVDs, CDs, hard disks etc).NEW!
• Tool to display your logical volumes (unmaintained)
• Tool to display 'cachedness' of files: cinfo. FreeBSD, recent OpenBSD, Linux, Solaris
• The Wonder Shaper for lag-less uploading & downloading over ADSL/Cablemodem
• PowerDNS nameserver
• PowerMail mail receiver & popserver
• MTasker, very simple cooperative multitasking in C++ for people, like me, who are not smart enough for state machines
• vmloader, tool to load a virtual memory system in various ways and report stats. Unmaintained, but might be useful

Friend & family pages

• "Dit jaar wel"Studiebegeleiding, afstudeerbegeleiding by my lovely wife Mirjam
• Jasper Spaans
• Con Kolivas' Anaesthesia Information Page - the medical specialist with his own kernel patch set