Archives for technovelty

Wed 28 December 2022: Redirecting webfinger requests with Apache
Mon 09 August 2021: nutdrv_qx setup for Synology DSM7
Thu 05 August 2021: Lyte Portable Projector Investigation
Fri 27 July 2018: Local qemu/kvm virtual machines, 2018
Mon 09 July 2018: uwsgi; oh my!
Mon 13 March 2017: Thunderbird 54 external editor
Tue 21 June 2016: Zuul and Ansible in OpenStack CI
Tue 05 April 2016: Image building in OpenStack CI
Wed 30 March 2016: Durable photo workflow
Fri 15 January 2016: Australia, ipv6 and dd-wrt
Tue 22 December 2015: Platform bootstrap for OpenStack Infrastructure
Fri 06 March 2015: Acurite 02032CAUDI Weather Station
Fri 06 March 2015: On VMware and GPL
Sun 08 February 2015: Netgear CG3100D-2 investigation
Fri 28 November 2014: rstdiary
Fri 08 August 2014: Bash arithmetic evaluation and errexit trap
Tue 05 August 2014: Finding out if you're a Rackspace instance
Wed 18 June 2014: ip link up versus status UP
Wed 18 June 2014: Non-stick tortilla technique
Sat 12 April 2014: Gyro Wheel Battery Pack
Thu 10 April 2014: Tenvis IP391W meta-page
Wed 05 March 2014: Skipping pages with django.core.paginator
Tue 06 August 2013: Running cloud images locally
Mon 05 August 2013: Skipping bash history for command-lines starting with space
Fri 26 July 2013: Converting an American propane appliance to Australian gas bottles
Thu 23 May 2013: Stuck keyboard with Fedora 17 under VirtualBox
Tue 14 May 2013: Debugging puppetmaster with Foreman
Wed 06 February 2013: Shared libraries and execute permissions
Sat 05 January 2013: Position Independent Code and x86-64 libraries
Thu 03 January 2013: Tagging handbrake output for iTunes
Wed 21 November 2012: Upgrading Samsung Series 9 Laptop BIOS without Windows
Fri 19 October 2012: Blog format update
Tue 06 March 2012: Investigating the Python bound method
Wed 08 February 2012: Python and --prefix
Thu 26 January 2012: pylint and hiding of attributes
Wed 21 September 2011: Exploring $ORIGIN
Fri 29 July 2011: The quickest way to do nothing
Fri 01 July 2011: Debugging __thead variables from coredumps
Tue 10 May 2011: PLT and GOT - the key to code sharing and dynamic libraries
Thu 28 April 2011: Toolchains, libc and interesting interactions
Mon 14 March 2011: Converting DICOM images, part 2
Wed 02 March 2011: Pyblosxom Recaptcha Plugin
Sat 05 February 2011: Comcast self-setup with Netgear routers
Sat 22 January 2011: Adding a javascript tracker to your Docbook document
Mon 03 January 2011: easygeotag.info
Fri 19 November 2010: Symbol Versions and dependencies
Thu 21 October 2010: Logging POST requests with Apache
Tue 24 August 2010: Split debugging info -- symbols
Tue 11 May 2010: A short tour of TERM
Mon 10 May 2010: Cook's Illustrated v Food52 Cookie Challenge
Sun 09 May 2010: This laptop has Super Cow Powers
Thu 06 May 2010: How much slower is cross compiling to your own host?
Mon 22 March 2010: What exactly does -Bsymblic do? -- update
Tue 16 March 2010: Handling hostnames, UDP and IPv6 in Python
Fri 05 March 2010: RFC3164 smells
Sat 27 February 2010: DIG Jazz Applet, V3
Thu 25 February 2010: Building a quiet, cool media/house server
Fri 22 January 2010: Separate debug info
Mon 11 January 2010: Salton (Sim)City
Fri 08 January 2010: vi backup files considered harmful
Wed 23 December 2009: Stripping shared libraries
Tue 22 December 2009: An open letter to Harvey Norman, Norwest, Castle Hill
Sun 06 December 2009: Distance to 1 million people
Fri 20 November 2009: Go L4!
Fri 11 September 2009: Django toolchain on Debian
Fri 21 August 2009: SIGTTOU and switching to canonical mode
Thu 23 July 2009: Using frozen chocolate to visualise microwave heat distribution
Wed 15 July 2009: Review : The Race for a New Game Machine
Mon 18 May 2009: Dig Jazz Applet, V2
Thu 07 May 2009: Quickly describing hash utilisation
Thu 12 March 2009: Relocation truncated to fit - WTF?
Mon 02 March 2009: YUI ButtonGroup Notes
Thu 26 February 2009: rdtsc - now even less useful!
Sun 08 February 2009: Converting DICOM images
Wed 04 February 2009: On Complexity
Wed 04 February 2009: NoMachine NX - the missing non-manual
Fri 09 January 2009: Facebook, API's, photos and IPTC data
Tue 23 December 2008: Streaming various radio streams to FStream on the iPhone
Tue 11 November 2008: When craziness wraps around...
Fri 07 November 2008: Spot the bug!
Wed 08 October 2008: Why symbol visibility is good
Fri 03 October 2008: Poking around in AUXV, part 2
Mon 29 September 2008: Kernel Development Course
Sat 23 August 2008: Spice hacking
Fri 08 August 2008: How to find the current glibc version
Mon 07 July 2008: Whoda' thunk it!
Sun 06 July 2008: Netgear WG311 shielding
Thu 22 May 2008: Sending arbitrary keys through xtightvnc
Sat 26 April 2008: Conditional Operator Harmful ? yes : no
Thu 10 April 2008: Tips and tricks for your E3 Visa
Fri 21 March 2008: Grace Wifi Radio Review
Tue 04 March 2008: Setting up an iPhone via prepay
Tue 04 March 2008: Forwarding VNC via ssh, or finding the PID of a running ssh
Wed 06 February 2008: How not to move an iTunes library
Tue 05 February 2008: CDBS and .install files
Fri 01 February 2008: Compare and Swap with PIC
Tue 29 January 2008: A cool laptop
Mon 21 January 2008: 5 Second VPN
Thu 03 January 2008: 24 Technobabble
Fri 21 December 2007: Playing with the x86 PMU
Thu 15 November 2007: Truth in names
Thu 08 November 2007: Shared memory on Linux
Mon 29 October 2007: Non-thread safe C
Fri 12 October 2007: Scrambled text
Thu 04 October 2007: POWER5 Graffiti
Thu 27 September 2007: The stamp idiom with make
Wed 05 September 2007: Short review of guarded page-tables
Wed 22 August 2007: Fun with -funroll-loops
Tue 21 August 2007: On incorrectly utilising "utilising"
Wed 15 August 2007: Function Pointers and Addresses of Functions
Fri 20 July 2007: What actually happens when you plug in a USB device?
Fri 22 June 2007: exim4 with ssmtp on Debian
Tue 22 May 2007: Dig Jazz Applet
Thu 17 May 2007: Iceweasel to Firefox User-Agent
Wed 16 May 2007: Stopping at program at exit
Fri 11 May 2007: Big Bands are Back!
Fri 11 May 2007: CDBS + Autotools + Python
Fri 04 May 2007: Offline status: online
Fri 13 April 2007: 2007 Honda Civic Hybrid Review
Wed 04 April 2007: Crikey Cleaner
Fri 30 March 2007: The incredible generosity of Microsoft
Wed 28 March 2007: tinymap.net - now with embedded maps
Fri 16 March 2007: Simple accordion style menu with YUI
Thu 01 March 2007: tinymap again
Wed 21 February 2007: tinymap.net
Wed 07 February 2007: Easy geotagging
Tue 06 February 2007: Review of Brother HL-2040
Mon 22 January 2007: LCA Speakers
Fri 12 January 2007: Network Manager, PPTP
Fri 12 January 2007: Inside the Machine - Jon Stokes
Wed 10 January 2007: Stressing the TLB with matrices
Tue 26 December 2006: LCD Scroller
Fri 15 December 2006: Set-bit Population Counts
Wed 06 December 2006: Telstra mobile internet pricing considered harmful
Sat 25 November 2006: Django setup notes
Sat 25 November 2006: IE, YUI and rendering
Tue 14 November 2006: If you are reading this ...
Fri 27 October 2006: Investigating Byzantine Failure
Thu 05 October 2006: Software Engineering via Balkanisation
Thu 28 September 2006: IA32 segments and fast system calls
Thu 14 September 2006: Commodore 64 and BASIC
Thu 31 August 2006: Kernel Process Walker
Mon 24 July 2006: Rusty Russell's "Hard to Misuse" rules
Wed 19 July 2006: Getting a tick in LaTeX
Fri 30 June 2006: Checking users of typedefs
Mon 26 June 2006: Work for Gelato@UNSW
Thu 15 June 2006: Exploring cmp8xchg16
Wed 14 June 2006: The Science of Scientific Writing
Fri 09 June 2006: Virtual Linear Page Table
Mon 22 May 2006: Al Gore on his new movie
Fri 19 May 2006: The Datapoint 2200 - why we're stuck with little endian?
Mon 15 May 2006: GCC Trampolines
Wed 05 April 2006: Chronology of a waste of time
Thu 30 March 2006: JavaScript Captcha
Thu 30 March 2006: xfig and colours
Fri 24 March 2006: Unrolling and Duff's Device
Tue 28 February 2006: GCC beats the Intel compiler at cracking Enigma?
Wed 22 February 2006: moinmoin RSS import macro
Wed 15 February 2006: Linux powered ice cream
Fri 10 February 2006: numbers2ppm
Tue 07 February 2006: Poking around inside the compiler
Wed 01 February 2006: How Linux on IA64 boots, roughly
Thu 26 January 2006: Import a patch into subversion
Wed 18 January 2006: Comparing Montecito and Prescott cores
Tue 17 January 2006: How to cancel a pending CVS remove
Fri 13 January 2006: Nibble frequencies in a kernel image
Fri 13 January 2006: A handy tip
Wed 11 January 2006: Terse guide to getting a cross compiler on Debian
Mon 09 January 2006: Diamond Princess v Titanic
Fri 06 January 2006: The Innovators Dilemma
Wed 04 January 2006: Comments
Wed 04 January 2006: Creating webforms quickly
Sat 24 December 2005: Debian wireless menu
Mon 19 December 2005: on computer science
Sun 18 December 2005: Airmen of Note MP3's
Thu 15 December 2005: inline functions
Wed 14 December 2005: How to annoy customers looking to spend multiple thousands of dollars
Wed 14 December 2005: On Changes
Tue 13 December 2005: hexdump format strings
Thu 08 December 2005: how to do max and min properly
Fri 02 December 2005: L1 Bookshelf
Thu 24 November 2005: Life on the edge with Mercurial
Thu 24 November 2005: NICTA and Qualcomm
Tue 22 November 2005: Jack Gale - 12 Jazz Duets for Trombone
Wed 16 November 2005: git workflow
Thu 10 November 2005: What exactly does -Bsymblic do?
Wed 09 November 2005: Stripping unused functions
Fri 04 November 2005: A 10 second guide to creating a DocBook document
Wed 02 November 2005: cdecl
Fri 28 October 2005: Frodoangelo?
Mon 24 October 2005: how not to print a newline
Fri 21 October 2005: Horus
Thu 20 October 2005: Investigating floats
Thu 20 October 2005: IEC 60027-2 Units
Wed 19 October 2005: printf tricks
Thu 13 October 2005: ERTOS Systems Administrator/Web Guru Job
Thu 13 October 2005: Google Maps - Lars Rasmussen
Wed 12 October 2005: Printing files side-by-side
Mon 10 October 2005: Speeding up a very slow apt-get update
Thu 29 September 2005: Upgrading the Opentel ODT4200 Firmware via Linux
Thu 29 September 2005: Passcard
Wed 28 September 2005: Sun's Niagara
Wed 28 September 2005: On optimisation
Sun 25 September 2005: Making the Philips DVDR77 Region Free
Thu 15 September 2005: Getting a decent font with Gnome terminal
Wed 14 September 2005: Even numbers
Wed 07 September 2005: Directory stacks in bash
Wed 31 August 2005: Mighty Mouse with udev and horizontal scrolling on Debian
Fri 26 August 2005: Buffering with streams
Wed 24 August 2005: running X applications in your debootstrap chroot
Tue 23 August 2005: sched_yield considered harmful
Mon 15 August 2005: A little tour of linux-gate.so
Mon 08 August 2005: MAC Address to Producer String
Mon 01 August 2005: David v Goliath
Mon 01 August 2005: Spam cleaning an mbox file
Mon 25 July 2005: Convert an IP address to hexadecimal
Fri 22 July 2005: valuable reading
Wed 20 July 2005: on structure alignment
Tue 19 July 2005: const with functions
Fri 15 July 2005: A few notes from an NFS debugging session
Tue 12 July 2005: goodbye to an old friend
Thu 07 July 2005: Why does mdadm drop a drive when creating a RAID 5 array?
Thu 30 June 2005: Hey, you can see my house from here!
Fri 24 June 2005: Looking at the Top500
Tue 21 June 2005: On Genius
Mon 20 June 2005: Control Key Intercepted when using Gimp
Fri 17 June 2005: Using LD_PRELOAD to override a function
Sat 11 June 2005: x86 Architecture manuals from Intel
Thu 09 June 2005: moo
Wed 08 June 2005: Zeller's Congruence
Mon 06 June 2005: Jonathan Schwartz really is a funny guy
Thu 02 June 2005: Spectral Analysis of Network Traffic
Mon 30 May 2005: Super Co-Contributions
Thu 26 May 2005: the magic of netrc
Mon 23 May 2005: Detecting SEGV read/write on IA64
Fri 20 May 2005: Gordon Bell IEEE Lecture
Tue 17 May 2005: Tracking an ABI change
Wed 11 May 2005: Rotate the Y-axis label in gnuplot
Thu 05 May 2005: Superblock scheduling and tail duplication
Mon 02 May 2005: remap_file_pages example
Fri 29 April 2005: Xnest for remote Gnome session
Thu 28 April 2005: It's always nice to get a new toy ...
Tue 26 April 2005: bouncing via mutt
Tue 19 April 2005: magic sysrq via /proc
Sat 16 April 2005: PPC to i386 Cross Compiler
Fri 15 April 2005: Discontiguous Memory
Fri 15 April 2005: Death to trailing whitespace
Tue 12 April 2005: Finding the parent function in emacs
Tue 12 April 2005: The "truth" about BK and the kernel
Mon 11 April 2005: Fun with floating point
Fri 08 April 2005: google + bloglines = cool
Thu 07 April 2005: rel v rela relocations
Wed 06 April 2005: Think outside the box
Tue 05 April 2005: on asterisks in Python
Mon 04 April 2005: Changing the default emacs font
Mon 04 April 2005: How to reparent a CVS tree
Thu 17 March 2005: on open source bigots
Wed 16 March 2005: Great Service
Wed 16 March 2005: (one reason) why gcc has a hard time on IA64
Wed 16 March 2005: Rob Pike Talk - "Interpreting the Data"
Sun 13 March 2005: Some notes on ptrace for IA64
Tue 08 March 2005: Debian usage by Architecture
Tue 08 March 2005: Yamaha TSS-15W
Mon 07 March 2005: more on config imports
Fri 04 March 2005: Python gallery generator
Wed 02 March 2005: Importing a python file as a config file
Mon 28 February 2005: Decoding binary objects
Thu 24 February 2005: On the Linux development model
Thu 24 February 2005: On swig and size_t
Thu 24 February 2005: Pthreads mutex subtleties
Tue 22 February 2005: Comparing some of the 386, AMD64 and IA64 ABI
Mon 21 February 2005: Debian release checklist
Sat 19 February 2005: Python SocketServer class
Fri 18 February 2005: Uninitalised Variables and Optimisation
Thu 17 February 2005: Mandrake 10 for Itanium 2
Wed 16 February 2005: Unimplemented Address Bits
Wed 16 February 2005: Half baked Python Mutex
Mon 14 February 2005: PowerPC char nuances
Mon 14 February 2005: removing mbox duplicates
Fri 11 February 2005: Opentel ODT4200PVR
Fri 11 February 2005: Naughty Hits
Thu 10 February 2005: on threads under linux
Thu 10 February 2005: checking for NPTL
Thu 10 February 2005: inkscape
Tue 08 February 2005: reading rdtsc on amd64
Sun 06 February 2005: xchat notifier plugin
Sat 05 February 2005: .Xresources
Fri 04 February 2005: undefined functions
Thu 03 February 2005: xchat notifier
Thu 03 February 2005: gnome-notify
Wed 02 February 2005: Jazz Piano Comping for the Beginning Jazz Improvisor
Wed 02 February 2005: unlimited-space.com
Wed 02 February 2005: hnb - bad code
Tue 01 February 2005: weex
Tue 01 February 2005: junkcode repository
Tue 01 February 2005: setting up pyblosxom
Tue 01 February 2005: on motivation
Tue 01 February 2005: about my blog

Collected writings by Ian Wienand around various systems topics and anything else I find interesting.

ian@wienand.org