I also needed to add sudo apt install gcc-6-base
and after this, Felix' workaround was effective. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764450 Title: pdftk missing in 18.04 (bionic) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pdftk/+bug/1764450/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs