Fixing the bashism would involve changing all lines of the form: DEFAULTS=${DEFAULTS/db_server/db_host}
... to: DEFAULTS="$(printf %s "$DEFAULTS" | sed 's/db_server/db_host/')" (Test this first!) -- mythweb.postinst: 31: Syntax error: Bad substitution (fix is to use Bash instead) https://launchpad.net/bugs/63493 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs