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APC INFO Monitor

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

…c.mmap_file_mask = /dev/zero 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 = 512 apc.coredump_unmap = 0 apc.stat_ctime = 0 Save php.ini, restart apache and then watch the APC Monitor to e… 7, 0, 1, 0 and 13025.19

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

Virtualmin now includes support for Nginx web server. I deploy many WordPress sites with W3 Total Cache and APC Alternative PHP Cache, so I was very interested to see how Nginx performance compares to Apache for WordPress, and whether APC and W3TC would play nice with Nginx. I prefer to install WordPress in public_html/wordpress for ease of development, compatibility with other scripts, etc. Accordingly, the suggested configuration is for WordPr… 6, 0, 0, 0 and 7422.55

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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

…to set php.ini and fcgiwrapper for every individual virtual host, and so to set an individual configuration for APC per virtual server. However with 200+ virtual hosts all running PHP script packages, as is the case with a commodity shared hosting server, this will use a lot of memory, and you will need somewhere in the neighborhood of 10-30GB apc.shm_size if you attempt to configure a single APC cache for the entire server. My web hosting serve… 1, 0, 1, 0 and 3184.8

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

…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 your web server and for your PHP script packages, you will be able to lower maxconnections, based on the information you receive from mysqltuner after 24-48 hours of steady traffic. For example, I have a server with Apache set to 256 maxclients, but the MySQL maxconn… 7, 1, 0, 0 and 2703.81

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

…erable to an XSS exploit. I have solved this by changing to the 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 p… 7, 1, 0, 0 and 2703.81

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

…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 that! The site has been as good as “flawless” since, with no downtime, and we couldn’t be happier. Everything is running smoothly and it’s a great… 3, 1, 2, 0 and 2456.83

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Apache config for Worker MPM vs Prefork MPM

…9/configuring-the-apache-mpm-on-centos Un-Comment 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, php… 9, 1, 3, 0 and 2222.85

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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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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… 1, 0, 0, 0 and 818.94

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