How to run an application using sudo without a password?

Posted by tutuca on Ask Ubuntu See other posts from Ask Ubuntu or by tutuca
Published on 2011-05-02T15:42:00Z Indexed on 2012/10/03 21:56 UTC
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... but still be required for applications that need admin privilegies?

In order to allow the following:

$ apache2ctl restart
httpd not running, trying to start
(13)Permission denied: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
Unable to open logs

$ sudo !!
sudo apache2ctl restart             #no password asked
$                                   #works!

For reference I've seen this setup on amazon's e3 instances

Any idea?

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