Linux试用（2）安装 mplayer, g++.
unfortunately, i broken the the mbr so i cannot start my system, now i 'm use ubuntu-9 live CD to run linux.
and i learnt some useful tips:
install g++:
sudo aptitude update && sudo aptitude install g++
install mplayer:
(a) - You need to add the following lines to /etc/apt/sources.list file
gedit /etc/apt/sources.list
enter these two lines and save your file
deb http://archive.ubuntu.com/ubuntu edgy universe multiverse
deb-src http://archive.ubuntu.com/ubuntu edgy universe multiverse
(b) Now you need to run the following command to update the source list
sudo apt-get update && sudo apt-get install mplayer
(c) gmplayer
or
You can Open from Applications—>Sound&Video—> Mplayer Movie Player
Once you open the mplayer you should see the mplayer opened in the following screen
(d) If you want to install Mplayer with plug-in for Mozilla Firefox run the following command
sudo apt-get install mozilla-mplayer
mount an iso file
mount -o loop xx.iso <folder>
install use root
sudo passwd root
su