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APC INFO Monitor

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

…-optimized with hooks for APC, but WordPress requires a plugin called 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 […]

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Varnish VCL and Config for WordPress with W3 Total Cache

…ed 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 to start VARNISH_MAX_THREADS=1000 # # # Idle timeout for worker threads VARNISH_THREAD_TIMEOUT=120 # # # Cache file location if using file cache #VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin # # # Cache […]

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

…or later, the configuration statements can be in the following form (example from one of my servers): [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql symbolic-links=0 innodb_file_per_table = 1 thread_concurrency = 8 query_cache_size = 64M query_cache_limit = 4M thread_cache_size = 8 myisam_sort_buffer_size = 64M read_rnd_buffer_size = 8M read_buffer_size = 2M sort_buffer_size = 2M table_cache = 1600 table_definition_c… 8, 0, […]

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

…mon 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. For Amazon EC2, a good practice is to create a discrete database server, and only allow access to it inside a […]

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SSL and CloudFront CDN Support for WebFonts via .htaccess

…ty issue. Evidently this is a security measure to prevent cross-site attacks, but you can allow this via Apache mod_headers, to allow your specific CloudFront (or other) domain, specified in the .htaccess file. Some sites have suggested using “*” wildcards to allow all domains… but obviously this is a security issue: with this Header, you […]

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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 with W3 Total Cache on Nginx with APC (Virtualmin)

…ferring 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 with no existing accounts. If you would […]

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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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