ipython3-notebook is in the backports repository, apt is not smart enough to figure out it needs to pull more from it, specifically it needs ipython-notebook-common. You can install it via: apt-get install ipython3-notebook -t precise-backports
I also have a ppa with a 1.2.1 backports for precise: https://launchpad.net/~jtaylor/+archive/ubuntu/ipython ** Changed in: ipython (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1361944 Title: I can not install ipython3-notebook in 12.04.5 amd64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ipython/+bug/1361944/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs