how to update atheros ath9k.ko driver to the latest on ubuntu linux

Download the latest compat-wireless-2.6.tar.bz2 from :
http://linuxwireless.org/en/users/Download
open it and :

find . -name "*" -exec touch {} \;
make
sudo -s
make install

modinfo ath9k
filename:       /lib/modules/2.6.28-15-generic/kernel/drivers/net/wireless/ath9k/ath9k.ko
...
mv /lib/modules/2.6.28-15-generic/kernel/drivers/net/wireless/ath9k/ath9k.ko /lib/modules/2.6.28-15-generic/kernel/drivers/net/wireless/ath9k/ath9k.ko.bak

make unload

cat > ~/wifi_reset.sh
#!/bin/bash -x
sudo modprobe -vr ath9k
sudo modprobe -vr ath5k
sleep 1
sudo modprobe -v ath9k
#sudo modprobe -v ath9k btcoex_enable=1
#sudo modprobe -v ath5k
sudo iwconfig wlan0 power off

#sudo iwconfig wlan0 rate 48M auto
#sudo iwconfig wlan0 txpower off
#sudo iwconfig wlan0 txpower auto
#sudo iwconfig wlan0 txpower 20dBm
sudo iwconfig wlan0 txpower 19dBm
<ctrl>-d

chmod +x ./wifi_reset.sh
./wifi_reset.sh

how to enable & disable emerald on ubuntu linux

In CCSM search for "window decorations" -> change the "command" to :
enable emerald : /usr/bin/emerald
disable emerald : /usr/bin/compiz-decorator

how to edit animated gifs on ubuntu with gifsicle to reduce size

mkdir 66213
cd 66213
gifsicle --explode ../66213.gif 
# delete the frames that that dont hurt the animation
gifsicle -O2 --colors 64 --dither --delay=100 --loop *.gif* > ../66213-o.gif
# or
gifsicle --optimize --colors 170 --delay=100 --loop *.gif* > ../66213-o.gif

view animated gifs in ubuntu

sudo aptitude install gthumb

asssocuate gif files with gthumb

how to install hdaps on ubuntu / lenovo t60

sudo apt-get install build-essential module-assistant
sudo /etc/init.d/hdapsd stop
sudo modprobe -vr hdaps
sudo modprobe -vr tp-smapi
sudo m-a a-i -f tp-smapi
sudo -i
rm /lib/modules/$KVER/kernel/ubuntu/misc/thinkpad_ec.ko
rm /lib/modules/$KVER/kernel/ubuntu/misc/tp_smapi.ko
rm /lib/modules/$KVER/kernel/drivers/hwmon/hdaps.ko
modprobe tp_smapi
modprobe hdaps
# install hdapsd from : https://launchpad.net/~jonasped/+archive/ppa
/etc/init.d/hdapsd start
hdaps-gl

# refrence : 
#    https://launchpad.net/~jonasped/+archive/ppa
#    http://meandmyubuntu.blogspot.com/2009/05/getting-hdasp-to-work-on-jaunty.html
#    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/297213/comments/15

Burn XBox 360 & PS2 games on Ubuntu Linux

$ growisofs -use-the-force-luke=dao 
-use-the-force-luke=break:1913760 
-dvd-compat -speed=2 
-Z /dev/scd0=xboxgame.iso

Notes :
/dev/scd0 is the dvd-rw device name - 
find it with cat /etc/fstab or dmesg

Note 2 :
to burn mdf/mds files use :
sudo apt-get install mdf2iso

rsync how-to tutorial

Update :
rsync -azCPvv src user:xxx.xxx.xxx.xxx:/tmp/
Note : no / after src (not src/)

Based upon :
http://www.cyberciti.biz/tips/linux-use-rsync-transfer-mirror-files-directories.html

Example :
rsync -vvrhzP -e ssh ./dir user@192.168.0.5:Downloads
^ NO trailing /
Will copy local files to remote machine & recreate ~/Downloads/dir on the remote machine

Example 2 : copy file/s with progress indicator instead of cp
rsync -vvrhP [src] [dest]