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APC INFO Monitor

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

…shm_segments = 1 apc.shm_size = 12M apc.optimization = 0 apc.num_files_hint = 512 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/apc/apc\.php$” apc.slam_defense = 0 apc.use_request_time = 1 apc.mmap_file_mask = /tmp/apc-accountname.XXXXXX ;OR apc.mmap_file_mask = /dev/zero apc.file_update_protection = 2 apc.enable_cli = 0 apc.max_file_size = 2M… 99, 1, 5, […]

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

…php-fastcgi, each virtual domain will load its own php.ini file, so you can add the APC directives to that file (/home/domainname/etc/php5/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 […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…ng 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 shared hosting environment with APC cache, because it does allow to set php.ini and […]

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Automated WordPress Installation Via Custom Virtualmin Script Installer

…tch filename) link to your zip: ‘url’ => “file://localhost/path/to/” (~line 150 after # script_wordpress_files) this must be retrievable via wget from YOUR SERVER (test this via terminal command) change ‘virtualmin‘ => 0 to NOT use virtualmin scripts repo! (~line 152) Your custom file should now look like this: # script_custompress_files(&domain, version, &opts, &upgrade-info) # Returns […]

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

…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 /etc/httpd/conf.d/phpMyAdmin.conf Allow all incoming hosts for a web hosting server, or only allow hosts you require: localhost, your local […]

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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 […]

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

…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 Performance If you have a PHP opcode and […]

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

…he publisher after responding to a plea for assistance in a support forum. Though the site was running on a dedicated server with 8GB RAM, it was crashing frequently under load. The developer tried implementing APC Alternative PHP Cache and W3 Total Cache, but these measures turned out to be incompatible with some of […]

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