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

…/php.ini) Add the following to php.ini (adjust to your requirements) [APC] extension = apc.enabled = 1 apc.shm_segments = 1 apc.shm_size = 12M apc.optimization = 0 apc.num_files_hint = 256 apc.user_entries_hint = 1024 apc.ttl = 0 apc.user_ttl = 0 apc.gc_ttl = 600 apc.cache_by_default = 0 apc.filters = “-/home/username/public_html/scripts-not-to-cache/.*,-/home/username/public_html/apc/.*” apc.slam_defense = 0 apc.use_request_time = 1… 48, 1, […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…irtual 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 […]

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Varnish VCL and Config for WordPress with W3 Total Cache

…TORAGE_SIZE=3G # # # Backend storage specification # malloc runs from RAM, file from file VARNISH_STORAGE=”malloc,${VARNISH_STORAGE_SIZE}” #VARNISH_STORAGE=”file,${VARNISH_STORAGE_FILE},${VARNISH_STORAGE_SIZE}” # # # Default TTL used when the backend does not specify one VARNISH_TTL=120 # # # DAEMON_OPTS is used by the init script. If you add or remove options, # # be sure you update this section, […]

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

…of maxclients, and from this you will know the appropriate beginning value for [mysqld] max_connections. Begin 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 […]

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

…y made the problems worse, resulting in an “own goal” that brought down the server. I did an assessment of the software, hardware and traffic load and found that there were many improvements to be made. Among the changes: Implemented a Stateful Packet Inspection firewall and Login Failure Daemonto block malicious IP addresses, malware servers, […]

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University Website and Blog Redesign

…ext look at theme.less, which jumps to Kickstrap/themes/utcms/theme.less, which has all of the custom stuff and some comments. Read the comments and then look at the individual files to see what’s going on: basically, anything that’s commented out uses the base Bootstrap CSS. At some point, I would like to change this workflow to pull […]

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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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