glenux/vagrant-lxc-ng
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Add warning about the sudo wrapper script

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This commit is contained in:
Fabio Rehm 2013-07-31 22:48:00 -03:00
parent 2082a5a81d
commit b301ee8e0f
1 changed files with 6 additions and 2 deletions
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README.md
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@ -99,8 +99,8 @@ For other configuration options, please check the [lxc.conf manpages](http://man
This plugin requires **a lot** of `sudo`ing since [user namespaces](https://wiki.ubuntu.com/UserNamespace)
are not supported on mainstream kernels. In order to work around that we can use
a really dumb Ruby wrapper script like the one below and add a `NOPASSWD` entry
to our `/etc/sudoers` file:
a really dumb (**AND INSECURE**) Ruby wrapper script like the one below and add
a `NOPASSWD` entry to our `/etc/sudoers` file:
```ruby
#!/usr/bin/env ruby
@ -115,6 +115,10 @@ and add the line below to your `/etc/sudoers` file:
USERNAME ALL=NOPASSWD:/usr/bin/lxc-vagrant-wrapper
```
*__WARNING__: the `/usr/bin/lxc-vagrant-wrapper` + `/etc/sudoers` combination
above allows `USERNAME` to run any privileged command without a password. You
might want to think twice before using that on a machine with sensitive data.*
In order to tell vagrant-lxc to use that script when `sudo` is needed, you can
pass in the path to the script as a configuration for the provider: