http://www.tipcache.com TipCache.com :: Your source for tech tips en-us Copyright 2006, Judd Vinet TipCache.com http://www.tipcache.com/tip/Build_PHP_as_a_static_binary_15.html How to build PHP (from source) as a static binary. http://www.tipcache.com/tip/Build_PHP_as_a_static_binary_15.html 2008-03-27 TipCache http://www.tipcache.com/tip/Regular_Expression_to_Validate_a_URL_13.html This regular expression can validate most HTTP/FTP URLs http://www.tipcache.com/tip/Regular_Expression_to_Validate_a_URL_13.html 2008-01-15 TipCache http://www.tipcache.com/tip/Regular_Expression_to_Validate_an_Email_Address_14.html This regular expression can validate most email addresses. http://www.tipcache.com/tip/Regular_Expression_to_Validate_an_Email_Address_14.html 2008-01-15 TipCache http://www.tipcache.com/tip/Convert_a_static_library_(.a)_to_a_shared_object_(.so)_12.html A quick recipe on how to convert a static library (archive) to a dynamic one (shared object) in Linux. http://www.tipcache.com/tip/Convert_a_static_library_(.a)_to_a_shared_object_(.so)_12.html 2007-12-06 TipCache http://www.tipcache.com/tip/Setup_your_own_Certificate_Authority_(CA)_11.html A quick rundown on how you can create a basic CA to self-sign your own certificates. http://www.tipcache.com/tip/Setup_your_own_Certificate_Authority_(CA)_11.html 2007-11-28 TipCache http://www.tipcache.com/tip/Protect_a_web_area_with_Basic_HTTP_Authentication_10.html Outlines the basic steps involved in protecting a web directory with basic HTTP authentication in Apache. http://www.tipcache.com/tip/Protect_a_web_area_with_Basic_HTTP_Authentication_10.html 2007-11-06 TipCache http://www.tipcache.com/tip/Reuse_an_existing_ssh_connection_9.html Speed up additional SSH connections to the same server http://www.tipcache.com/tip/Reuse_an_existing_ssh_connection_9.html 2007-10-24 TipCache http://www.tipcache.com/tip/Setup_SMTP_AUTH_and_TLS_with_Exim_8.html This mini HOWTO shows you how to enable TLS and SMTP Authentication for your Exim 4.x server. http://www.tipcache.com/tip/Setup_SMTP_AUTH_and_TLS_with_Exim_8.html 2007-10-11 TipCache http://www.tipcache.com/tip/How_to_avoid_ISP_blocks_on_port_25_(SMTP)_7.html Some ISPs will block outgoing connections to port 25 (SMTP) in attempt to curb spam delivery. Nowadays, unprotected Windows machines can quickly become part of spam-delivering botnets, and blocking access to third-party SMTP servers can curtail this. http://www.tipcache.com/tip/How_to_avoid_ISP_blocks_on_port_25_(SMTP)_7.html 2007-06-25 TipCache http://www.tipcache.com/tip/How_to_Balance_Database_Load_Across_Multiple_MySQL_Servers_6.html This is a poor man's method of using multiple MySQL servers (all replicating off a single master) to balance database load. http://www.tipcache.com/tip/How_to_Balance_Database_Load_Across_Multiple_MySQL_Servers_6.html 2007-06-05 TipCache http://www.tipcache.com/tip/Manipulate_the_Return-Path_of_outgoing_emails_in_Exim_5.html Some MTAs require a valid email address in the Return-Path header. Here's how to set it explicitly. http://www.tipcache.com/tip/Manipulate_the_Return-Path_of_outgoing_emails_in_Exim_5.html 2007-05-03 TipCache http://www.tipcache.com/tip/Prevent_Exim_from_adding_a_Sender_header_to_outgoing_mails_4.html Exim likes to add a "Sender" header to outgoing emails. If this differs from the "From" header you set, some email clients will note this. http://www.tipcache.com/tip/Prevent_Exim_from_adding_a_Sender_header_to_outgoing_mails_4.html 2007-04-30 TipCache http://www.tipcache.com/tip/Convert_an_if_elseif_else_statement_into_a_switch_case_3.html Sometimes a switch statement can be neater than a bunch of if/elseif/else lines. Here's a simple way to do it. http://www.tipcache.com/tip/Convert_an_if_elseif_else_statement_into_a_switch_case_3.html 2007-04-29 TipCache http://www.tipcache.com/tip/Set_up_Virtual_Hosts_in_Exim_with_Separate_Aliases_1.html This is a basic outline of how to setup virtual hosts in Exim with separate aliases for each domain. http://www.tipcache.com/tip/Set_up_Virtual_Hosts_in_Exim_with_Separate_Aliases_1.html 2007-04-28 TipCache http://www.tipcache.com/tip/Encode_a_video_into_XVid_format_2.html Cameras and other digital devices can often capture video, but they don't use a space-friendly format. This script uses open source tools to encode an AVI into XVid and MP3. http://www.tipcache.com/tip/Encode_a_video_into_XVid_format_2.html 2007-04-28 TipCache