Practical Unix and Internet Security, Second Edition

This book amounts to a survey course that covers everything from the basics to the advanced topics, not always to equal depth, but more than well enough to get you started in the right direction when you need to tackle a new topic or one you are a little rusty on.

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The DevOps Toolbox

Tools and Technologies for Scale and Reliability
by Linux Journal Editor Bill Childers

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8 Signs You're Beyond Cron

Scheduling Crontabs With an Enterprise Scheduler
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