Any danger using apt-get upgrade?

[eton]

Is there any danger to the system using apt-get upgrade?
Can the system be incompatible with never programs? How stable and flexible is ReadyNAS?

[mdgm-ntgr]

Don't do it. It will break the OS.

[eton]

mdgm wrote:
Don't do it. It will break the OS.

Thanks mdgm!
I had that feeling.

But it's a bit sad. It would be useful.