Install software | Directly to machine Direct install processes. No docker or any other type. .deb, .ssh ect. Install .deb Packages are  manually  installed via the  dpkg  command (Debian Package Management System).  dpkg  is the backend to commands like  apt-get  and  aptitude , which in turn are the backend for GUI install apps like the Software Center and Synaptic. Install a package: To install a downloaded Debian ( Ubuntu ) package (.deb): Open Terminal and type sudo dpkg -i DEB_PACKAGE To remove a Debian (Ubuntu) package (.deb): sudo dpkg -r PACKAGE_NAME To Reconfigure/Repair an installed Debian (Ubuntu) package (.deb): sudo dpkg-reconfigure packagename