Month: April 2014

How To Increase Page Load Speed with Apache KeepAlive

The KeepAlive directive for Apache allows a single request to download multiple files. So on a typical page load, the client may need to download HTML, CSS, JS, and images....

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How To Increase Page Load Speed with Apache mod_deflate

Apache’s mod_deflate is an Apache module that will compress output from your server before it is sent to the client. If you have newer version of Apache the mod_deflate module...

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How To Set Up mod_security with Apache on Debian/Ubuntu

Installing mod_security Modsecurity is available in the Debian/Ubuntu repository: apt-get install libapache2-modsecurity Verify if the mod_security module was loaded. apachectl -M | grep --color security You should see a module...

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How To Use MySQL Query Profiling

What is the MySQL slow query log? The MySQL slow query log is a log that MySQL sends slow, potentially problematic queries to. This logging functionality comes with MySQL but...

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cPanel Optimize Website No longer working

When client tries to enable or disable “Optimize Website” in cPanel, this error is shown: OptimizeWS::optimizews(,) failed: Modification of non-creatable array value attempted, subscript -1 at /usr/local/cpanel/Cpanel/OptimizeWS.pm line 104, <HC>...

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How To Use Nginx As Reverse Proxy Server

Nginx is an open source Web server and a reverse proxy server. You can use nginx for a load balancing and/or as a proxy solution to run services from inside...

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Update / Install Packages Under Redhat Enterprise / CentOS Linux Version 6.x

How do I use yum command to update and patch my Red hat Enterprise Linux / CentOS Linux version 6.x server via RHN / Internet? Can I use up2date command...

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