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APC INFO Monitor

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

…server load and overall memory usage. It takes time to configure, and must be re-configured whenever PHP script software is added to a virtual server. The more plugins/mods/components you add to a PHP software package, the more scripts, database queries and objects will be cached. If you have PHP scripts or plugins that do not […]

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

…Accordingly, the suggested configuration is for WordPress installed in a subfolder. This info also assumes you have successfully installed APC Cache on your server, and set up a clean install of Virtualmin with Nginx as the Alternative Web Server. Switching from Apache to Nginx later is difficult, as is transferring apache virtual server backups. Best […]

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

…er Firewall is an excellent free firewall & LFD. This will help prevent brute force probes, port flooding, DDOS, etc. If you have 600 virtual hosts running on a server, it is very likely that the server is experiencing constant malicious exploits, especially if you are also running email servers on the same IP addresses. […]

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Varnish VCL and Config for WordPress with W3 Total Cache

…/ G / T suffix, # # or in percentage of available disk space using the % suffix. VARNISH_STORAGE_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 […]

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

…s contacted by the 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 […]

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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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Fail2Ban Regex for RedHat, Fedora, CentOS and Amazon Linux 2013

…n failure; logname= uid=0 euid=0 tty=dovecot ruser=sybase rhost= Apr 19 05:22:20 vm5 auth: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=informix rhost= RegEx mentioned previously will match those entries, and via Fail2Ban: BAN the offending IPs. So, you think you’re ready with RegEx fu to tackle the Local Jail (jail.local)? Not so fast. Don’t use […]

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