Ubuntu
Contents
ofBook installation ideas
Upstart to launch/respawn installation
- create this in /etc/init/facegraft.conf:
#!upstart
description "Face Swap"
# Start job via the daemon control script. Replace "gert" with your username.
exec su -l rtwomey -c 'export DISPLAY=:0; /home/rtwomey/code/openFrameworks/apps/oftwomey/graft-tracker/bin/graft-tracker'
# Restart the process if it dies with a signal
# or exit code not given by the 'normal exit' stanza.
respawn
# Give up if restart occurs 10 times in 90 seconds.
respawn limit 10 90
- starting and stopping the service. from the command line:
start faceswap
stop faceswap
./ls
#do some linux commands here
sudo reboot
Disable Screen Dimming
gsettings set org.gnome.desktop.session idle-delay 0
source: http://askubuntu.com/questions/430384/turn-screen-off-when-inactive-setting-from-terminal
run ofApp on local screen
export DISPLAY=:0
~/code/of... command
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:
- <code>guvcview
- 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
- download refind flashdrive http://sourceforge.net/projects/refind/files/0.7.4/refind-flashdrive-0.7.4.zip/download
- use diskutil to find number for partition on your external:
diskutil list- my EFI partition on external drive is /dev/disk2
- unmount:
diskutil unmountDisk disk2
- use dd to copy flash image to external partition:
sudo dd if=refind-flashdrive-0.7.4.img of=/dev/disk2s1 bs=1m
Using H2 with Ubuntu
Recording from H2
arecord -D "hw:2,0" -f S16_LE -c 2 -r 44100 test2.wav