RPM can also install over the net. If you happen to know the full url of your rpm file then just enter the following to get and install the package. If the site requires a valid login and password pair then you can enter that in the url too. Updating Updating your current package installation. If you come across a updated package then upgrading would be the right choice.
Syntax is pretty much the same as installation.
The default behaviour of this command is that rpm will first check for a older version of the package. If one is found then that package is updated otherwise normal installation is done. This is the recommended command to use because it prevents you from installing multiple versions of the same package. The package name would be the name of the package at installation. Occasionally you might get dependency errors when removing packages that are required by other packages.