YOU Dangers

It is important to realize that if for some reason you have installed third-party versions of packages having the same name as SUSE packages, a careless YOU update could overwrite them.

When running a mission-critical system, although you should always be aware of security issues and be ready to apply relevant security patches to any publicly available machine as a matter of priority, you should also be extremely careful not to apply all patches without serious thought. Some kernel patches in particular can totally break the functionality of third-party commercial software, which may at best mean that you need to reconfigure the software and at worst could lead to a situation where you have real difficulty in getting back to a working system.

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