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Sams Teach Yourself Network Troubleshooting in 24 Hours, Second Edition by Jonathan Feldman

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Hour 9. Overcoming Hardware Phobia

We only truly learn by destroying.

——Usenet post, comp.sys.unix (circa 1980)

Network geeks don’t live in a vacuum; we all have to learn how to deal with the things our networks live on. Whether it’s a bad circuit board or a corrupt spot on a hard drive, network functions are picky, picky, picky; they stop working when underlying pieces and parts (collectively called the infrastructure) stop working. Networkers have been fixing (and accidentally breaking) hardware for years. (People might think all we do is stare at blinking lights all over our network command center and stroke our chins thoughtfully, but sadly, no; we’ve actually got to roll up our sleeves and actually work on pieces of the system more often ...

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