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APC INFO Monitor

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

…l number of users. Joomla 1.5 and phpBB3 are much easier to work with, as their caching systems are built to use APC and other opcode caches. Apparently, Gallery3 now also supports opcode caching. More advice: turn on apc.stat (documentation says, “not for production servers”, but W3TC requires stat polling to monitor file status, post […]

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virtualmin-nginx-wordpress-permalinks-apc

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

…pc.slam_defense = 0 apc.use_request_time = 1 apc.mmap_file_mask = /tmp/apc.XXXXXX apc.file_update_protection = 2 apc.enable_cli = 0 apc.max_file_size = 2M apc.stat = 1 apc.write_lock = 1 apc.report_autofilter = 0 apc.include_once_override = 0 apc.rfc1867 = 0 apc.rfc1867_prefix = “upload_” apc.rfc1867_name = “APC_UPLOAD_PROGRESS” apc.rfc1867_freq = 0 apc.localcache = 1 apc.localcache.size = 256 apc.coredump_unmap = 0 apc.stat_ctime = 0 Reloading […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

APC cache does not work well in a virtual hosting environment unless PHP is running as FCGID, and every individual virtual host has a unique PHP.ini and a unique fcgiwrapper. This is not the case with many virtual hosting environments because the memory and CPU requirements are too great. I suggest using Virtualmin for a […]

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wordnish

Varnish VCL and Config for WordPress with W3 Total Cache

…for ulimit -c). Default in Fedora is 0 # DAEMON_COREFILE_LIMIT=”unlimited” # # Set this to 1 to make init script reload try to switch vcl without restart. # To make this work, you need to set the following variables # explicit: VARNISH_VCL_CONF, VARNISH_ADMIN_LISTEN_ADDRESS, # VARNISH_ADMIN_LISTEN_PORT, VARNISH_SECRET_FILE RELOAD_VCL=1 # ## Advanced configuration # # # Main […]

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LAMP-linux-apache-mysql-php

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

…with max_connections set slightly higher than Apache’s maxclients. If you are running database caching via APC, you may lower max_connections, because APC will serve the busiest queries directly from cache. Take Time to Get a Realistic Assessment of MySQL Performance If you have a PHP opcode and database caching strategy (such as APC) implemented on […]

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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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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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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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