The Guide Show How-to Install Firefox 23 Nightly Browser on Linux Rosa/Mandriva 2012 Marathon KDE4 i686 Desktop.
The Firefox Nightly Version can Coexist with the Others Firefox Versions without Troubles, this Mean that Once Fired Up it Will Just Load the Default Firefox Environment.
More than this Once Installed it Will Plug-In the Firefox Nightly Channel and Like Every Other Firefox Version in the Future will Follow to be Automatically Updated to the Newest Firefox Nightly Release. So it is Not a Wasting Time because You Install It Once and Keep Forever Freshly Updated :)
Inside the Instructions you will Find also a Link to How-to Create a Launcher for Firefox Browser on Linux Rosa 21012 Marathon KDE Desktop.
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Download Firefox Nightly for Linux:
Firefox 23 i686 tar.bz2 - Double-Click on the Archive and Extract into /tmp Directory
- Open a Terminal Window
Start Menu Search Terminal

- Relocate Firefox Nightly
Login as SuperUser
su
Make a Firefox Directory
mkdir /opt/firefox
Move Firefox Into firefox-Nightly so to Prepare for a Possible Firefox Multi-Version Coexistencemv /tmp/firefox /opt/firefox/firefox-nightly
Make a Symlink for Easy-Starting
ln -s /opt/firefox/firefox-nightly/firefox /usr/local/bin/firefox-nightly
Next you Can Start Firefox from Terminal withfirefox-nightly
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Create an Firefox Launcher for Rosa 2012 Marathon Desktop
Rosa Marathon 2012 Launcher
How-to Install Evernote Linux Clone on Rosa: