[CentOS] Completely automatic yum updating on Centos 6

[Mike Burger]

>> I am about to set up a computer with Centos 6 that I'll probably never
>> see
>> again.  I don't want to give out the root password, but I would like to
>> have it
>> automatically and transparently update itself.
>>
>> What is the best way to do this?  I have been looking at webpages about
>> yum-cron
>> and yum-updatesd but nothing directly addresses Centos 6 and it appears
>> that at
>> least one of those two methods is now obsolete.
>
> While you could certainly set a regular cron job I wouldn't recommend
> doing this. While a great many updates are non-intrusive, some could cause
> applications to stop working properly until restarted.
>
> Then there's kernel updates, which require reboots, but which do not
> happen automatically upon installation...and if the system does not
> reboot, properly after that update, someone is going to have to lay hands
> on the keyboard.
>
> Point being that it's probably better if someone plans on running an
> attended, periodic update.

However, if you're bound and determined to perform unattended updates, a
simple Google search for "unattended yum update" turned up this link:

http://syamsul.net/2011/01/02/unattended-updates-on-centos/

Which even includes a comment with a link to an updated process for CentOS 6.