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If the system user Nobody
runs UpdateDB, only files that Nobody has access to are updated.
. Magic SysRq??”The SysRq key is usually located next to the Scroll Lock key on your
keyboard. When used with the Alt key, it can permit an orderly shutdown of a
crashed system. The bad news is that someone with remote access to your healthy
system can bring it down instantly. Given the rarity of system crashes, it is better to
leave this disabled.
Monitoring User Activity
Monitoring user activity is part of the sysadmin??™s duties, and an essential part of tracking
how system resources are being used. If you have multiple users on your openSUSE system,
and especially if you don??™t, you should become familiar with some of these monitoring tools.
As the all-powerful sysadmin, you can monitor nearly everything your users do on the
computer, held back only by the hours in the day. Fortunately for all concerned, even the
Bastard Operator From Hell doesn??™t have time to do this. Any good sysadmin will check
in periodically, just to keep the invaders at bay.


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