Upstart to launch/respawn installation
- create this in /etc/init/facegraft.conf
# face graft - face graft job file
description “face grafting installation”
author “Robert Twomey <mail@roberttwomey.com”
# Stanzas
#
# Stanzas control when and how a process is started and stopped
# See a list of stanzas here: http://upstart.ubuntu.com/wiki/Stanzas#respawn
# When to start the service
start on runlevel [2345]
# When to stop the service
stop on runlevel [016]
# Automatically restart process if crashed
respawn
# Essentially lets upstart know the process will detach itself to the background
expect fork
# Run before process
pre-start script
[ -d /var/run/facegraft ] || mkdir -p /var/run/facegraft
echo "Put bash code here"
end script
# Start the process
exec /home/rtwomey/launch_grafter.sh
UVC / webcam control in ubuntu
v4l2-ctl
Installing
sudo apt-get install v4l-utils
Using
- set max zoom with c920:
v4l2-ctl -c zoom_absolute=200
- set max tele with c920:
v4l2-ctl -c zoom_absolute=100
- list all controllable settings:
v4l2-ctl --list-ctrls<code>
guvcview
- comes installed.
- launch it:
- should give you full access to your camera controls.
Make a Portable UBUNTU installation
- make a live ubuntu usb disk in os x. directions
- IN OSX: attach your new portable drive, partition it as an OSX Extended Journaled drive.
- IN UBUNTU: start install. select "something else", create three partitions (boot, root, and swap), leaving existing partition from OSX.
- Install Refind to first partition.
Install rEFInd to partition of external drive
Using H2 with Ubuntu
Recording from H2
arecord -D "hw:2,0" -f S16_LE -c 2 -r 44100 test2.wav
pocketsphinx-continuous with H2