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Ubuntu Unleashed 2014 Edition: Covering 13.10 and 14.04,Ninth Edition by Paul Hudson, Andrew Hudson, Matthew Helmke

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Polite System Reset using REISUB

Sometimes computer systems freeze. I’m not talking about the times when one program starts acting weird and the program freezes, but everything else works fine. In those cases, you can use kill to terminate the program and move on, as described in the section earlier in this chapter on using top or by using the kill command described in Chapter 15, “System-Monitoring Tools.” I’m talking about those times when nothing will work. Nothing responds to any keyboard or other input, not even a Ctrl+Alt+Del key combination. What then? The absolute worst case scenario is to perform a power cycle, which is a fancy way of saying, “Turn it off and back on again.” The problem is that power cycling can cause you to lose data ...

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