Dpkg -i debianpackage.deb-2. dpkg -install debianpackage.deb-there are two different options -i or -install. convention is short option starts from - and long option starts from - . if you have a package file containing a package you want to install, the simplest way to install the package is to use the dpkg command: dpkg -install packagefile where packagefile stands for the name of the package file, which generally ends with the characters .deb. if all the prerequisite packages have already been installed and if the package does not conflict with any installed packages, the command will unpack the package files, move them to their proper locations, and execute the scripts necessary to configure the package.