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Tuning Apache and MySQL for Best Performance in a Shared Virtual Hosting Environment

…ic guide… but does not take into account PHP memory requirements… see Ovidiu’s comment below). MySQL Tuning Is More Difficult: Trial and Error To test your MySQL server performance, you may try: mysqltuner: https://github.com/rackerhacker/MySQLTuner-perl (or http://mysqltuner.pl for the script only) MySQL Tuning Primer: https://launchpad.net/mysql-tuning-primer phpMyAdmin 3.5+: Status Monitor and Advisor are excellent tools, bu… 20, 1, 1, 0 and 2464.77

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Install phpMyAdmin with SSL on CentOS, Amazon Linux, RedHat (Apache or NginX)

…IP blacklisting. For Amazon EC2, a good practice is to create a discrete database server, and only allow access to it inside a VPC security group, or from specific IP addresses enabled in that security group. That way, you can safely Allow from ALL hosts, because the VPC firewall will prevent other access. Install phpMyAdmin on a separate web server, and restrict access to PMA’s directory (see below). # phpMyAdmin – Web based MySQL brow… 1, 0, 0, 0 and 830.24

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Remote publishing to WordPress from Facebook via RSS

…Press posts. It is somewhat complex to set up properly, so I won’t go into that here. It’s up to you to figure it out, but it is very useful for adding non-copyright or permitted content to your site or a client’s site. For instance, I use it to publish bicycle manufacturer’s RSS feeds to a local bike shop’s WordPress site. You can also use it to create a scraper site, but you wouldn’t do that, would you? Conne… 3, 0, 1, 0 and 544.85

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APC INFO Monitor

How to Configure APC Cache on Virtual Servers with PHP running under FCGId

…. APC is somewhat challenging to configure properly with fcgid-enabled virtual domains, but it is quite helpful to optimize system resources and prevent traffic surges on one site from affecting overall server performance. Joomla and PHPbb have code that is pre-optimized with hooks for APC, but WordPress requires a plugin called W3 Total Cache. First Things First Please read my posts about APC on commodity virtual hosting servers and Apache and… 2, 0, 0, 0 and 415.12

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Apache and MySql Performance Tuning for High Traffic WordPress Website on Cpanel

…rver. I did an assessment of the software, hardware and traffic load and found that there were many improvements to be made. Among the changes: Implemented a Stateful Packet Inspection firewall and Login Failure Daemonto block malicious IP addresses, malware servers, bad bots, content scrapers, etc. Many of the problems leading to site crashes were due to constant bad bot traffic, security probes and Denial of Service attacks. Connection Trackin… 3, 1, 0, 0 and 259.45

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Web Hosting

Decades of experience hosting websites, from small local sites with only a few html pages, to high-traffic sites with thousands of users and pages.  Website hosting, evolved Web hosting has changed dramatically in the last few years. The majority of accounts are now running PHP scripts and MySQL, whereas in the past most accounts were only […]

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WordPress Fail2Ban RegEx for RedHat, CentOS, Amazon Linux

VacantServer WordPress sites are getting hammered with bad logins and probes. We’ve implemented a plugin to log failed login attempts to syslog, and a Fail2Ban filter for the same. If you run these on RedHat, you’ll need some additional configuration info… here it is: WordPress login failure regex (error_log):

Apache nohome regex (error_log):

[…]

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Résumé

Chris Gilligan Information Architect, Web Server Administrator, Media Producer web • video • print chris@chrisgilligan.net chrisgilligan.com I design and produce information and communication media for university, corporate, small business, manufacturing and non-profit clients: web sites Information architecture and design for open source content management systems Linux Apache MySQL PHP web server administration Postfix Dovecot Sendmail […]

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Social Media Integration

…forms that can seriously improve the reach of your website content. Content Management Systems can be configured to automatically send new content to Facebook and Twitter via RSS feeds, with linkback to your website, which improves traffic. WordPress Sites $500 per site Install Facebook Connect and Twitter Connect plugins Optionally, add Facebook feed and fans, Facebook Comments & Sharing Create basic Twitter account and Facebook Page Joo… 2, 0, 0, 0 and 103.78

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