The script has been moved to byobu package in Ubuntu 16.04. Extract from https://github.com/dustinkirkland/byobu/blob/master/debian/changelog :
-- Dustin Kirkland <kirkl...@ubuntu.com> Sun, 28 Feb 2016 23:46:22 -0600 byobu (5.103-0ubuntu1) xenial; urgency=medium * usr/bin/Makefile.am, usr/bin/manifest, usr/bin/tmpfsffs, usr/share/man/man1/Makefile.am, usr/share/man/man1/manifest.1: - added the manifest command * debian/control, usr/bin/Makefile.am, usr/bin/purge-old-kernels, usr/share/man/man1/Makefile.am, usr/share/man/man1/purge-old- kernels.1: - move purge-old-kernels over from bikeshed into byobu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1484376 Title: purge-old-kernels doesn't work when minor kernel version numbers add a digit To manage notifications about this bug go to: https://bugs.launchpad.net/byobu/+bug/1484376/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs