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.
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| From Scrapbook Photos |
Sunday, July 15, 2012
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
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
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)
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
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