Published at LXer:

There are many a diagnostic program/system/framework/architecture out there to help the systems administrator/programmer/network administrator along with their day to day lives. Ultimately almost all of the good pieces of software that exist allow for easy interaction: that is send back a signal and/or a message. The problem: writing the original diagnostic scripts to begin with. In this text a look at writing shell scripts to check on conditions from many points of view - that is from the perspective of local checks only versus remotely executing checks using secure shell.

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