How to install a package

  1. Download the package file PACKAGEFILE.deb
  2. Double-click the package. It will be opened in the Ubuntu Software-Center.
  3. Click Install to install the package.

How to install a package from the command line

  1. Download the package file PACKAGEFILE.deb
  2. Start a Terminal: Menu ApplicationsAccessoriesTerminal.
  3. Run command: sudo dpkg -i PACKAGEFILE.deb

How to add this software repository

  1. Open Menu ApplicationsUbuntu Software-Center.
  2. Open Menu EditSoftware Sources….
  3. A new window Software & Updates opens → select the Other Software tab.
  4. Click Add… to add a new repository.
  5. Enter the APT line for this repository:
    deb http://hepp.gmxhome.de/ubuntu precise main non-free
  6. Click Add Source and then click Close to save your changes.
  7. You will be notified that the information about available software is out-of-date. Click Reload.
  8. Packages from this repository should now be available in your package manager.
  9. To check the integrity of the digitally signed repository this GPG key should be downloaded.
  10. Open Menu ApplicationsUbuntu Software-Center.
  11. Open Menu EditSoftware Sources….
  12. A new window Software & Updates opens again → select the Authentication tab.
  13. Click Import Key File… and select the GPG key to be imported and then click Close to save your changes.
Impressum - GnuPG Public Key