[CentOS] Any problem of auto updating using yum?

Fri Jun 12 09:20:40 UTC 2009
John Doe <jdmls at yahoo.com>

From: MontyRee <chulmin2 at hotmail.com>
> My systems are centos 4.x or 5.x(i386 and x86_64) and various services(apache, mysql, java, sendmail... etc..).  
> and I would like to set auto update using yum.
> But some staffs didn't agree my auto update plan, 
> because some services can be effected by auto update.
> There were no side effects just yum updating until now, 
> and it seems impossible for me to check all packages whether side effects or not before updates. 
> How about your opinions about this?
> Anyone who have experienced troubles by auto update?
> Is there any good way to solve this problem?

Maybe you have to watch out for special cases like new configuration files (with maybe new syntax) saved as .rpmnew or the original (your) configuration saved as .rpmsave; and also upgrade orders like install <this> package before the rest of the update...

JD