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LAMP-linux-apache-mysql-php

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

…MySQL configuration to disable InnoDB Run OPTIMIZE TABLE to defragment tables for better performance Enable the slow query log to troubleshoot bad queries When making adjustments, make tmp_table_size/max_heap_table_size equal Reduce your SELECT DISTINCT queries without LIMIT clauses Variables to adjust: query_cache_size (> 16M) tmp_table_size (> 16M) max_heap_table_size (> 16M) I suggest you NOT enable the […]

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wordnish

Varnish VCL and Config for WordPress with W3 Total Cache

…IPv4 dotted quad, or an IPv6 address in brackets. # VARNISH_LISTEN_ADDRESS= VARNISH_LISTEN_PORT=80 # # # Telnet admin interface listen address and port VARNISH_ADMIN_LISTEN_ADDRESS=127.0.0.1 VARNISH_ADMIN_LISTEN_PORT=6082 # # # Shared secret file for admin interface VARNISH_SECRET_FILE=/etc/varnish/secret # # # The minimum number of worker threads to start VARNISH_MIN_THREADS=1 # # # The Maximum number of worker threads […]

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Screen Shot 2013-04-19 at 6.32.51 PM

Fail2Ban Regex for RedHat, Fedora, CentOS and Amazon Linux 2013

…the box,” Fail2Ban for CentOS & other RedHat downstream distros only provides protection against SASL login failures. But with a little work and research, one can successfully configure many more “jails” for the malicious traffic. To take full advantage of Fail2Ban, the admin will need to become familiar with RegEx: regular expressions. Amazon Web Services […]

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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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Screen Shot 2012-09-07 at 11.09.50 AM

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

…s you require: localhost, your local workstation, etc.) For a hosting server with open access, you should have a login failure daemon to block offending IP addresses with multiple failed HTTP logins. ConfigServer Firewall works well, and has modules for cPanel and Webmin. OSSEC is another reactive IPTables firewall with Apache login failure IP blacklisting. […]

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logo-mailman

Cpanel Mailman mailing lists: cannot manage lists after migrating to new host

…r, when cpanel user clicks Manage link, the following message appears: cpanel1.hosting.com mailing lists – Admin Links No such list listname_domainname.com There currently are no publicly-advertised Mailman mailing lists on cpanel1.hosting.com.To visit the administrators configuration page for an unadvertised list, open a URL similar to this one, but with a ‘/’ and the right list […]

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APC INFO Monitor

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

APC INFO Monitor My Virtualmin CentOS 5.6 Virtual Private Server runs several virtual domains with PHP under FCGId using APC for opcode caching: Joomla, PHPbb, WordPress, etc . 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 […]

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SoccerNews.com website

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

SoccerNews.com is a high traffic WordPress site with over 600,000 unique visitors and over 2,000,000 page impressions per month. It is a content republisher and aggregator, presenting custom XML feeds for (what else?) soccer news from all over the world. The site has a very active user base, providing content in the forms of editorials and […]

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