@Daniel: I don't think it is possible to install the version of unity from your PPA any more. The latest version is now 4.24.0-0ubuntu2.1, which supersedes 4.24.0-0ubuntu2b1vv5.
@Daniel: I don't think it is possible to install the version of unity from your PPA any more. The latest version is now 4.24.0-0ubuntu2.1, which supersedes 4.24.0- 0ubuntu2b1vv5.