I'm trying to install Libreoffice 4.0 on Ubuntu 12.04. I try to begin with add the repository.
sudo add-apt-repository ppa:libreoffice/libreoffice-4-0
I get this output:
sudo: apt-get-repository: command not found
Tested to run
sudo apt-get install software-properties-common python-software-properties
Reading package lists... Done Building dependency tree Reading state information... Done python-software-properties is already the newest version. software-properties-common is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.