I have installed a few apps from the Terminal by adding repositories and running commands but how do I access them? They aren't in the launcher and I can't see them in the Dash either.

I'm running Ubuntu 12.10.

I ran the following lines of code:

sudo add-apt-repository ppa:yorba/ppa
sudo apt-get update && sudo apt-get install geary

You can create a custom dash icon:

How to create custom dash icons?

In your case, you should use:

[Desktop Entry]
GenericName=Generic name you want
Comment=Your comments about this file

If you want to launch it from the terminal, just type:

geary &

It sounds like you've hit a known bug in Geary 0.2.1. For now you can launch Geary as follows:

  1. Press Alt-F2
  2. Type "geary" (all lower case, no quotes)
  3. Press Enter

Keep in mind this is just a temporary workaround; the Geary 0.2.2 package should become available very soon as an update for you and make this unnecessary.

There's a couple of other points I'd like to address about your question:

  • There's no need to add the Yorba PPA in this case, since it doesn't contain a Geary package for your version of Ubuntu. In fact, the default Ubuntu 12.10 repository hosts Geary 0.2.x. If you're interested you can view the Yorba PPA contents here.
  • Terminal commands are generally referred to as "commands" rather than "lines of code." I mention this because it may confuse people (especially us software developers!)

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