diff --git a/website/source/docs/provisioners/shell.html.markdown b/website/source/docs/provisioners/shell.html.markdown index ffed1e442..41653abf5 100644 --- a/website/source/docs/provisioners/shell.html.markdown +++ b/website/source/docs/provisioners/shell.html.markdown @@ -148,20 +148,20 @@ on reboot or in your shell script. For example, on Gentoo: *My shell script doesn't work correctly on Ubuntu* -* On Ubuntu the /bin/sh shell is +* On Ubuntu, the `/bin/sh` shell is [dash](http://en.wikipedia.org/wiki/Debian_Almquist_shell). If your script has -[bash](http://en.wikipedia.org/wiki/Bash_(Unix_shell\)) specific commands in it +[bash](http://en.wikipedia.org/wiki/Bash_(Unix_shell))-specific commands in it, then put `#!/bin/bash` at the top of your script. Differences between dash and bash can be found on the [DashAsBinSh](https://wiki.ubuntu.com/DashAsBinSh) Ubuntu wiki page. *My shell works when I login but fails with the shell provisioner* -* See the above tip. More than likely your login shell is using /bin/bash -while the provisioner is using /bin/sh. +* See the above tip. More than likely, your login shell is using `/bin/bash` +while the provisioner is using `/bin/sh`. *My installs hang when using `apt-get` or `yum`* -* Make sure you add a "-y" to the command to prevent it from requiring +* Make sure you add a `-y` to the command to prevent it from requiring user input before proceeding. *How do I tell what my shell script is doing?*