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W3 Total Cache Not Showing Config Tabs for WordPress Multisite Network

We’ve been using the WordPress W3 Total Cache plugin to speed up our WordPress sites. It rocks. And after a long hiatus, the author Frederick Townes finally updated it and now he’s giving it lots of attention. Thanks Frederick. Now

What is the Apache directive order of precedence?

I am trying to implement some mod_rewrite RewriteRules using WordPressMU. I tried putting them in the Virtural Host file, but they did not appear to work. Since WPMU has a set of mod_rewrite RewriteRules in a .htaccess file, I wondered

Setup WordPress or WPMU to make an atomic version switch — AND allow you...

I have a new WordPress MU (WPMU) install and I am ready for my first upgrade. I couldn’t get automatic upgrade to work, and all the forums said: do it by hand manually. This is fine, but I didn’t want

PHP APC: How to Monitor Usage and Config for Optimum Performance

APC is the Alternative PHP Cache. It’s a handy caching utility for use with PHP. We use it with W3 Total Cache on our WordPress installations. It runs OK “out of the box.” But you likely need to tune the

Restarting Apache Gracefully

If you are restarting the web server on a live website, you should do it gracefully. A graceful restart tells the web sever to finish any active connections before restarting. This means that active visitors to your site will be

How to install PHP GD2 Library on Ubuntu

I needed to install the PHP GD2 library to support the WordPress captcha plugin SI CAPTCHA Anti-Spam.  I found the right library and installed it with this apt-get command: But SI CAPTCHA Anti-Spam test page still said GD Support: No. 

How to Password Protect WordPress Admin (or Any) Apache Directory

If you are running WordPress, it’s a good idea to lock down the WordPress admin. Sure, it’s password protected already. But you can (and should) add some extra security to lessen your vulnerability to any newly discovered PHP or WordPress

How to Upgrade APC on Ubunutu

APC — the Alternative PHP Cache — is a handy caching utility for use with PHP. We use it with W3 Total Cache to speed up our WordPress sites. I recently had a little trouble remembering how to upgrade APC