Linux – Why does sudo command take long to execute

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I've been picking up Linux (Fedora 10, then 11) over the past few months (and enjoying it immensely– it's like discovering computers all over again, so many things to learn).

I've added my user to the last line of the /etc/sudoers file as shown below, so that I don't get asked for my password when I execute the sudo command:

MyUserName ALL=(ALL) NOPASSWD:ALL

Now every time I execute a command using sudo, it pauses a noticeable amount of time before actually performing the task (~10 seconds). Why might this be and how might I fix this? I'm running Sudo version 1.7.1 on Fedora 11 x86 64.

Best Answer

I asked this question over on SO and it got moved here. That said I no longer have the ability to edit the question as if I owned it, or even accept the correct answer, but this turned out to be the true reason why and how to solve it:

Found here User "rohandhruva" on there gives the right answer:

This happens if you change the hostname during the install process.

To solve the problem, edit the file /etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 <ADD_YOURS_HERE> 
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 <ADD_YOURS_HERE>
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