Getting sub domains and domain from a url

How to get the sub domain and domain from a URL in PHP

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SSL testing and SHA-1 Sunsetting

Notes on testing ssl and SHA-1 being depricated for certificate signatures

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atop quick start: an introduction to atop snapshotting

A howto on using atop

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Compile NGINX with PageSpeed and ModSecurity on CentOS

A script to compile and install NGINX with PageSpeed and ModSecurity on CentOS

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SELinux and connecting to Mysql databases on Red Hat based distributions

Connecting to a mysql database when using SELinux

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PHP error checking in Vim with Syntastic

Get PHP error checking in Vim

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