Friday, August 31, 2012

Pi exercise

Using scratch to control an LED from a raspberry pi (link). Looks easy enough for me to do.

Wednesday, August 29, 2012

Bring out your old 3D glasses

I made this image from two photos of a pine tree at Anne and Danny's place.
From Scrapbook Photos

Sunday, July 15, 2012

Install utils for ext support on Mac OS X


  1. OSXFuse – Download link
  2. Fuse-ext2 – Download link
From post "Access Ext3/Ext2 file system" link

SD card setup on Mac for RP

From xterm run
df -h
to get
 /dev/disk1s1   3.8Gi  124Mi  3.7Gi     4%    /Volumes/CASIO-DSC

Check where the img file is...

 ls ~/Downloads/debian6-19-04-2012
 debian6-19-04-2012/     debian6-19-04-2012.zip

Unmount the SD card
 diskutil unmount /dev/disk1s1


use dd to copy image to SD card
 sudo dd bs=1m if=~/Downloads/debian6-19-04-2012/debian6-19-04-2012.ig of=/dev/rdisk1

link to relevant eLinux.org post

Thursday, December 29, 2011

Cocos Keeling Islands

A relatively recent and rare arial picture of the Cocos Keeling Islands, Indian Ocean.

(link)

Wednesday, July 27, 2011

Notes on troubleshooting Apple Macs

Eject disk in DVD drive: hold eject button on startup or restart
Force Quit [Option][Command][Escape]
Restart [Control][Command][Power]
Force Shut Down: press the power button for 10 seconds
PRAM reset [option][command][P][R]
Safe mode [shift] on startup
Safe mode with console [shift][command][V] on startup
SMC reset: shutdown, power cord out, hold power button for 5s, cord back in, restart]
The nuclear option [command][R] to initiate OS X Recovery...

AppleCare support in Dublin: Typetec, Unit G6, Calmount Business Park, Ballymount D12. ph: 5009000

Links to relevant stuff.
support.apple.com/kb/HT1149#trouble1 (basic information)
https://discussions.apple.com/docs/DOC-4571 (very informative if a bit old)
www.apple.com/support/mac101/help/ (for complete novices)

Tuesday, July 26, 2011

Ephemera around me (0001)

A morning plunge at the forty foot yields this snippet.