I performed the purging steps exactly as descibed in http://tex.stackexchange.com/a/95502/46339, and did "sudo apt-get install texlive" afterwards.
Still getting the same error, unfortunately. Installing xzdec or perl-tk did not improve the situation either. output of whereis tlmgr: "/usr/bin/tlmgr /usr/bin/X11/tlmgr /usr/share/man/man1/tlmgr.1.gz" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1242914 Title: tlmgr unable to set up TLPDB To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/texlive-base/+bug/1242914/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs