Yeah, with sudo is especially bad. In the old days (20 years ago), I remember some things (ircII maybe) offered by an easy installer command line like: telnet

Yeah, with sudo is especially bad. In the old days (20 years ago), I remember some things (ircII maybe) offered by an easy installer command line like: telnet host.domain.com 12345 | sh And then for a very long time that sort of thing fell out of favor because people got appropriately cautious about security. But I've seen it a lot more lately, starting with Homebrew: http://brew.sh/ http://brew.sh/