Private By Default – Tim Bray’s thoughts on why you should turn TLS/SSL on by default for your websites.
Setting Apache MaxClients for small servers – A guide to configuring Apache for use in environments with low memory, such as virtual machines.
Apache’s fallbackresource: your new .htaccess command – A simpler way to pass all incoming requests to a single file, instead of several mod_rewrite rules. Useful if you are using the single frontend controller model with a PHP framework such as Silex.