How to install a .tar.gz (or .tar.bz2) file?
I had already tried many things but none of them worked.
tar xzf file.tar.gz(replacing file by the package name).
I'm using 12.04.1 precise pangolin.
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Untar the file using command
If there is a .deb(Precompiled binaries) file in the extracted package. You can install it using command
If its a source file then you need to compile it using the following commands.
For more information read this Ubuntu help page