Oct 24 2012

Count and Visualize Traffic Sources (by IP) using shell commands in Linux.

While suspecting to be victim of a DoS or DDoS Attack, could be useful to identify TOP Source of Connections.
This information can be retreived “On-The-Fly” by using some shell commands.
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Aug 15 2012

How To Fix WordPress: “Briefly unavailable for scheduled maintenance. Check back in a minute.”

After some upgrade work on WordPress sites, sometimes the following message appears:
“Briefly unavailable for scheduled maintenance. Check back in a minute.”
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May 8 2012

osTicket: Reset User Password.

Password lost for admin user in osTicket?

This can be solved by setting a new password in the DB.
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Mar 22 2012

Character Entity References in HTML 4 and XHTML 1.0.

Here is a set of tables containing the 252 allowed entities in HTML 4 and XHTML 1.0, as described in section 24 of the official HTML 4 specifications, published by the W3C.
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Feb 13 2012

Perl: Compact Regular Expressions (RegExp) Reference.

Quick reference to Perl’s regular expressions.
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