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APC INFO Monitor

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

…owSymLinks Includes IncludesNOEXEC -Indexes MultiViews SymLinksIfOwnerMatch RemoveHandler .php RemoveHandler .php5 IPCCommTimeout 12 You must “babysit” the configuration: use the APC monitor (apc.php) to see how many files are being cached, and how much memory (apc.shm_size) is needed to avoid fragmentation, which will cause the 500 errors. If fragmentation rises quickly to 100%, memory usage is […]

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

…ge number, because each will consume the amount of memory specified in apc.shm_size. You may need to experiment with this value, depending on your server’s memory and potential traffic. Virtualmin explains: “When PHP scripts for this domain as run via FCGId, the number of PHP processes set in this field will be kept running at […]

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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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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…e for this, as it allows individual accounts to be configured with individual php.ini and fcgiwrapper, or even different versions of PHP. Of course, because this will require greater management, it should be charged as a premium service. If you wish to enable APC on a commodity web hosting server, you may try the following […]

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

…om/rackerhacker/MySQLTuner-perl (or for the script only) MySQL Tuning Primer: phpMyAdmin 3.5+: Status Monitor and Advisor are excellent tools, but require proper phpMyAdmin setup These scripts will analyze MySQL performance and make suggestions regarding your my.cnf configuration. mysqltuner is now deprecated, but it still widely used and is very simple. Tuning Primer is the […]

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

…64/epel-release-6-8.noarch.rpm On Amazon Linux, epel-release is already loaded. Edit /etc/yum.repos.d/epel.repo to enabled=1 Edit /etc/yum.repos.d/epel.repo to only include necessary software packages: includepkgs=phpMyAdmin php–php-gettext I have removed RPMforge repo due to some recent problems, but if you still need rpm forge repo: exclude=phpMyAdmin php–php-gettext Install PMA: yum install phpMyAdmin Apache Edit… 11, 0, 0, 0 and 735.34

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

…very high traffic. With World Cup Brazil coming up in 2014, the site will definitely see a huge amount of users. Future plans include changing the architecture of the server to simplify the background processes and implement APC Alternative PHP Cache, or a caching web server front end. Results? I’ll let the publisher speak to […]

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Chris Gilligan Web Developer, Information Architect, Web Server Administrator, Media Producer web • video • print 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 Front-end UI design, HTML, PHP, LESS Linux Apache […]

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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): ^%(__prefix_line)sAuthentication failure for .* from <HOST>$ […]

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