I have a couple of dedicated servers running the latest ISPconfig but they are a bit old and I have not been updating the packages via "yum". I am wanting to update things for security, etc, but want to make sure I do so safely as these are production boxes. Can you give me any helpful hints on the best/safest way to do this? I was specifically wondering as I see "firmware" and "kernel" updates available but also just in general. I assume I'll need to reboot after kernel updates. Thanks in advance.