Just don't use bashisms when your default shell is not bash. The default shell is not interpreting &> as redirection of stdout and stderr, but as background character and runs *two* processes, fist php without redirection and second with empty command (so it probably barfs), but redirected to >/dev/null.
** Changed in: php5 (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to php5 in Ubuntu. https://bugs.launchpad.net/bugs/1265983 Title: php5 cli one instance/process limit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1265983/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs