It is not installed automaticly by upgrade from ubuntu 10.4 to 10.10 I think it should, since it is pretty essential if you want to keep your system up to date.
In another bugreport I found this workaround: apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 16126D3A3E5C1192 which works fine for me -- source NEW ubuntu-extras-keyring and upload new ubuntu-meta https://bugs.launchpad.net/bugs/645436 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs