cranfan wrote:try to install them from the Community Repository
can you please explain this a bit better? exactly from here and how are you trying to install those 2 app?
they are both available in the repos so the only thing you need to do is open synaptic, do a search for them and mark to install.
though be aware that because there's a backlog of updates for maya at this moment you should first of all update your system: there's a little shield in the panel, click on it, enter your p/w and let it do its job; after that the installation of those app should easy.
trying to do all of this in a live-session, dunno