install .rpm file in ubuntu code example
Example: install rpm ubuntu
sudo add-apt-repository universe #Add the Universe Repository
sudo apt-get update
sudo apt-get install alien #Install Alien package
sudo alien <name of package>.rpm #Convert .rpm package to .deb
sudo dpkg -i <name of package>.deb #Install the Converted Package
sudo alien -i <name of package>.rpm #Install RPM Package Directly Onto the System on Ubuntu