Sys Admin Guides, How To's, etc by Marios Maravelias

Exporting/Backing up your Certificate/Private Key in IIS (.pfx file format)

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The easyiest way is this:

find {path} -type f -exec grep -l {string_to_search} {} \;

in which you only replace {path} with the path you want to search , and {string_to_search} with the string you are looking for inside the files.

During the life of a website, its quite common for pages to move around or to ‘re-structure’ your site’s files and folders. However, you can come across issues when people linking to your page go to their ’stale’ bookmark of your site, and find that page is missing – in fact, they’ll get a ‘404 Page Not Found‘. The same will go for search engines like google and yahoo, and will adversely affect your rankings within their results.

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Not only do I block all accesses from libwww-perl, I also log what they were looking for which turns up an amazing amount of botnet hits on a daily basis just randomly hitting websites trying to find a way inside.

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You can use a group policy to protect your server from known viruses that require an executable to run. For example, Sobig.F and Blaster are two fine examples.

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Focus: Linux, Apache 1.3+, [PHP], [MySQL]
Notes: Use at your own risk.

Summary
If you are reaching the limits of your server running Apache serving a lot of dynamic content, you can either spend thousands on new equipment or reduce bloat to increase your server capacity by anywhere from 2 to 10 times. This article concentrates on important and poorly-documented ways of increasing capacity without additional hardware.

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