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CentOS Howtos and Tutorials

Centos Linux tutorial for beginners and advanced users with special focus on security, firewall, web, mail, file and proxy servers in an enterprise environment (rss feed).

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Vi / Vim: Save And Quit The Editor Command

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Linux/Unix: Cat Command Display Line Numbers

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Vi / Vim: Quit Without Saving Command

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Squid Proxy Server Change Outgoing IP Address

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What Is SELinux?

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