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

…ewall Unnecessary Traffic from Affecting the Server Before you begin performance tuning, please consider using a stateful packet inspection (SPI) firewall & login failure daemon (LFD) for your server: ConfigServer Firewall is an excellent free firewall & 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 mal… 2, 0, 1, 0 and 935.96

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Apache config for Worker MPM vs Prefork MPM

…determine which MPM is running: /usr/sbin/apachectl -l If you see worker.c in the list of loaded modules, your Apache is running Worker MPM. If prefork.c, it is running prefork. To determine if apache has Worker MPM compiled in: /usr/sbin/httpd.worker -l If you see worker.c in the list of compiled-in modules, Apache can run Worker MPM. Here is some useful info to help if your installation of Apache will work with Worker MPM: http://www…. 9, 1, 3, 0 and 688.95

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SoccerNews.com website

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

…dware 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 Tracking in the firewall now limits the amount of res… 1, 0, 0, 0 and 545.97

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

…dmin /usr/share/phpMyAdmin <Directory /usr/share/phpMyAdmin/> <IfModule mod_authz_core.c> # Apache 2.4 <RequireAny> Require ip 127.0.0.1 Require ip ::1 </RequireAny> </IfModule> <IfModule !mod_authz_core.c> # Apache 2.2 Order Deny,Allow # comment out Allow from All and add your own static IPs here for security # Allow from All Allow from 123.456.7… 7, 1, 0, 0 and 467.97

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APC INFO Monitor

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

…alled W3 Total Cache. First Things First Please read my posts about APC on commodity virtual hosting servers and Apache and MySQL performance tuning before you begin. If you are running your virtual servers under FCGId, then you should do so for all virtual servers on your machine. Why? Because then you do not need apache’s mod_php (php module). Less modules loaded, less wasted memory. Comment out: LoadModule php5_module modules/libphp5.so… 7, 0, 1, 0 and 402.97

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

…n your server, and set up a clean install of Virtualmin with Nginx as the Alternative Web Server. Switching from Apache to Nginx later is difficult, as is transferring apache virtual server backups. Best to 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… 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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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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