From: Morten <useless@...>
Date: 2007-06-13T21:05:08+09:00
Subject: Re: executing sudo from ruby

anansi wrote:
> hi,
> I wanna execute in a script of mine commands like: "sudo apt-get clean" 
> or "sudo nano /etc/X11/xorg.conf". The difference is:
> 
> The first command needs to be executed without influence to the main 
> process of the ruby scipt. It should simply be started as a second 
> process totally independent from the ruby-script which invokes it.
> I think system("sudo apt-get clean") would be the right command.
> 
> The second command should be this way that it is the only one after it 
> has been executed. So the ruby-script should be stopped and therefor in 
> the same console nano should be opened.
> I think exec("sudo nano /etc/X11/xorg.conf") would be the right command.
> 
> But my problem is the password of sudo? How can I make my ruby-scipt 
> give the password to sudo so I don't have to give it in every time?
> 
> 

Set NOPASSWD in your sudoers file for the given commands, eg.:

sudoeruser ALL=(ALL) NOPASSWD: /usr/bin/nano,/usr/bin/apt-get


Morten