ubuntu package management with dpkg

# dpkg --list
# dpkg --info packageName
# apt-get remove packageName

how to view swf video on ubuntu linux

sudo apt-get install gnash
gnash 123.swf

rxvt configuration

rxvt -fg yellow -bg black -geometry 128x50 -fn "8x13" -j -si -sw -sr -sk -bc -sl 4000

how to install latest version of transmission bit torrent client on ubuntu linux

following instructions from : http://forum.transmissionbt.com/viewtopic.php?f=13&t=5604

for 9.04 / jaunty :

sudo gpg --keyserver keyserver.ubuntu.com --recv 976b5901365c5ca1
sudo gpg --export --armor 976b5901365c5ca1 | sudo apt-key add -

sudo vim /etc/apt/sources.list
# add the lines
deb http://ppa.launchpad.net/transmissionbt/ubuntu jaunty main
deb-src http://ppa.launchpad.net/transmissionbt/ubuntu jaunty main
:wq

sudo apt-get install transmission
OR
sudo apt-get update
sudo apt-get upgrade

how to convert web page to pdf in ubuntu

sudo aptitude install htmldoc
htmldoc

edit pdfs :
sudo apt-get install pdfedit

print to pdf :
sudo apt-get install cups-pdf

save web page to pdf :
https://addons.mozilla.org/en-US/firefox/addon/636