I added yum, but this can be related to any Linux system. I am personally working on CentOS7 now.
"For the most part, it's best to upgrade incrementally; that is, upgrade only those parts of the system that need upgrading, and then only when you think an upgrade is necessary. For example, if you never use Emacs, there is little reason to continuously install every new release of Emacs on your system. Furthermore, even if you are an avid Emacs user, there is usually no reason to upgrade it unless you find that a missing feature is in the next release. There is little or no reason to always be on top of the newest version of software."
So just dont run something like yum update && upgrade every now and then? I read to do it on some other website: