[en] Ubuntu Made Easy No Starch Press
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[en] Mastering Linux Security and Hardening, Second Edition Packt Publishing
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[en] Understanding the Linux Kernel O'Reilly Media
[en] Linux Networking Cookbook O'Reilly Media
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[en] The Linux Command Line · A Complete Introduction No Starch Press
[en] The Linux Command Line No Starch Press
[en] MySQL Pocket Reference O'Reilly Media
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[en] Raspberry Pi · A Quick-Start Guide Bookpal
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