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Apache config for Worker MPM vs Prefork MPM

…t HTTPD=/usr/sbin/httpd.worker in /etc/sysconfig/httpd restart apache do some performance testing and raise your worker server and thread limits to sane levels in httpd.conf If you need to recompile Apache and PHP, then you should do more research. Recompiling is not a trivial process. I found that my server had much better memory usage under Worker MPM, however: some scripts (squirrelmail, phpmyadmin) do not work on a per-domain basis and mus… 16, 1, 1, 0 and 4640.78

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APC INFO Monitor

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

…etc/httpd/conf.d/php.conf Remove any php_memory_limit lines in httpd.conf’s virtual hosts section. restart apache do some performance testing and raise your server and thread limits to sane levels in httpd.conf If possible, you may wish to run Apache with Worker MPM instead of Prefork MPM. More information about Apache Worker MPM vs. Prefork MPM » Installation Suggestions and Modification of Defaults Be sure to install the newest versio… 2, 0, 0, 0 and 1104.94

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

…LFD. This will help prevent brute force probes, port flooding, DDOS, etc. If you have 600 virtual hosts running on a server, it is very likely that the server is experiencing constant malicious exploits, especially if you are also running email servers on the same IP addresses. If your host does not support ConfigServer (e.g. Amazon AWS and some VPS may not play well with CSF), you may use Fail2Ban. Tune Apache the Sane Way (Requires Basic Math… 1, 0, 0, 0 and 753.96

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

…EPEL repo, which maintains the latest version of phpMyAdmin. This post will teach you how to install phpMyAdmin on CentOS, Amazon Linux, or Redhat. Configuration instructions are provided for Apache and NginX web servers. For this to work properly and safely, you should be running SSL on your host. Otherwise, change the ForceSSL line in the config file provided below… Install phpMyAdmin from EPEL repository Uninstall current PMA: yum eras… 7, 1, 0, 0 and 467.97

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

…nfigured Apache web server, PHP and MySQL to better utilize the server’s horsepower. Cpanel’s efault Apache and MySQL configurations were limiting the number of concurrent user sessions the server could handle. Changed PHP to run as FastCGI (fcgid) and recompiled Apache to better handle the needs of a high traffic WordPress site. Configured a large MySQL table and query cache based on performance and load testing. Configured Amazon Cl… 0, 0, 1, 0 and 415.97

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Varnish VCL and Config for WordPress with W3 Total Cache

I have been working on a Varnish front-end for Apache, to be used with WordPress sites. I described the architecture in Load Balancing Virtualmin WordPress Hosting Server with Varnish on AWS. I now have a configuration that seems to work for all WordPress features, including logged-out commenting. This configuration also works well with W3 Total Cache. This configuration is for Varnish on a separate server, but should also work on a single serve… 3, 0, 0, 0 and 363.98

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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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WordPress with W3 Total Cache on Nginx with APC (Virtualmin)

…o start fresh and build from scratch. Testing the Virtualmin Nginx Modules Virtualmin does not support Nginx and Apache together, and there is no easy migration from Apache to Nginx, so it is suggested to begin with a fresh install of Virtualmin with no existing accounts. If you would like to experiment with Nginx, and you already have a Virtualmin Pro license, you are permitted to set up Virtualmin on a second server for testing and migration. I… 6, 0, 0, 0 and 311.98

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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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