Install prog. in ubuntu

lets supose the program name firefox-xx.xx.tar.bz2

After you download the file in the downloads folder

Next, run the commands below to extract the downloaded file. Remember to specify the current version number.   eg. firefox-xx.xx.tar.bz2


tar xjf ~/Downloads/firefox-12.0b4.tar.bz2

 

firefox_precise_1

 

After extracting, move the extracted folder to the /opt/ directory.

sudo mv firefox/ /opt/firefox12

 

firefox_precise_2

 

Next, rename the your current Firefox executable by running the commands below.

sudo mv /usr/bin/firefox /usr/bin/firefox-old

 

firefox_precise_3

 

Finally, run the commands below to create a symbolic link to the newer version.

sudo ln -s /opt/firefox12/firefox /usr/bin/firefox

 

firefox_precise_4

 

Now, try typing firefox in terminal or opening your Firefox launcher icon. You do not need to edit your current firefox launcher to use the newer version.

Enjoy!

 
 
 
 
 
Abdelouafi Omar Taoufik