• Check package version using apt-get/aptitude?
  Unix & Linux Stack Exchange
  in tech > OS with apt-cache apt-get linux ubuntu unix version
• Gnome Encfs Manager
  sudo add-apt-repository ppa:gencfsm && sudo apt-get update && sudo apt-get -y install gnome-encfs-manager
  in tech > OS with add-apt-repository apt-get encoding gencfsm gnome-encfs-manager install ppa ubuntu

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