How to install package from launchpad

Question

I would like to install this in my ubuntu: https://launchpad.net/ubuntu/+source/ttfautohint

but I don't know how.

I did sudo apt install ttfautohint and ttfautohint --version gives 0.97.

Answer 1

If you want to upgrade the version, you must first remove the package from your system:

$ sudo apt-get remove ttfautohint

After making sure that the package is removed, do a:

$ sudo add-apt-repository ppa:ubuntu/ttfautohint

It'll ask for your confirmation and verification of the GPG signed key. This will add the desired ppa to your sources file, and make it visible. Then, you must do a:

$ sudo apt-get update

For it to see the changed package location. Then you can simply install it as you've just typed, with apt-get:

$ sudo apt-get install ttfautohint --verbose-versions

The '--verbose-versions' will show you what version will be installed, and you can check if the desired version is being installed.