Ubuntu (and its derivatives – Xubuntu, Lubuntu, Kubuntu) normally come with hibernation disabled by default, mostly due to possible hardware compatibility issues.
Re-enabling it is not a simple thing to do, despite logic dictating the opposite. Start by testing out whether or not your system is capable of hibernation…
When using a system to host your important (or critical) operations, being able to get informed of issues while you’re away is a very handy function. Email is good for notifications, but it isn’t always fast enough (and constant checks drain battery power).
SMS on the other hand, is an almost instant alert method and although length-limited, should do the job just fine for those very important, must have alerts. For this setup you will need…
