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Don R. Crawley
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Paul R. Senness
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The Accidental Administrator: Cisco ASA Security Appliance
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The Accidental Administrator: Linux Server Step-by Step Configuration Guide
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The Accidental Administrator: Cisco Router Step-by Step Configuration Guide
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The Compassionate Geek: Mastering Customer Service for IT Professionals
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Tweeting Linux: 140 Linux Configuration Commands Explained in 140 Characters or Less
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