If you are an Ubuntu user, that’s simple. Run this command in your terminal:
$ sudo apt-get install byzanz
Of course, if you are using other Linux distributions, you can install Byzanz from source. After download source package of Byzanz from here, run the following commands:
$ tar zxvf byzanz-0.1.1.tar.gz
$ sudo make install
Now right click on GNOME panel, select Add to Panel. Then select Desktop Recorder item to add to the panel.
OpenSuse user can use 1-click installer to install Byzanz
OpenSuse 11.0 -- here
OpenSuse 10.3 -- here
This should download the YaST MetaPackage file (YMP) for Byzanz and launch the YaST Package manager for installation. Click next on the window showing the selected repositories and next again on the package selection window and finally click Next on the installation proposal window. This should add the required repositories (click import when prompted to import the GPG Keys) and install byzanz package and the required dependencies. Click Finish when the installation is completed succesfully.