Latest in Apache

Tutorials, howtos, and general web server security & optimization tips about Apache web server under Linux and Unix like operating systems.

Apache 2: Reload HTTPD Configuration File Without Restarting Apache Config Changes

by on April 28, 2013 · 2 comments

I made changes to the httpd.conf file. How do I reload the new config changes without restarting the Apache 2 web server under Debian / CentOS Linux operating systems?

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Apache / Nginx / Lighttpd: PHP Disable File Upload

by on April 14, 2013 · 1 comment

I am in the process of setting Apache and PHP for my small business server. I’m not utilizing file upload functionality in any of my PHP scripts. How do I disallow uploading files under CentOS or Ubuntu Linux based LAMP server?

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curl: If-Modified-Since Command Linux / Unix Example

by on December 11, 2012 · 0 comments

HTTP protocol allows a client to specify a time condition for the document it requests. It is If-Modified-Since or If-Unmodified-Since. How do I use curl Unix/Linux command line option to test a server with If-Modified-Since condition and validate Last-Modified settings?

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Linux / Unix Curl: Find Out If a Website Is Using Gzip / Deflate

by on November 9, 2012 · 1 comment

How do I find out if a web-page is gzipped or compressed using Unix command line utility called curl? How do I make sure mod_deflate or mod_gzip is working under Apache web server?

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Mediawiki PHP Fatal error: Cannot redeclare wfProfileIn() Error and Solution

by on December 26, 2011 · 3 comments

I‘m running the Mediawiki software under Apache web server running on the Unix operating systems. I’m getting the following in my php error log:

PHP Fatal error: Cannot redeclare wfProfileIn() (previously declared in /var/www/html/wiki/includes/profiler/Profiler.php:14) in /var/www/html/wiki/includes/ProfilerStub.php on line 25.

How do I fix this problem under Mediawiki version 1.18.0?

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Ubuntu Linux: Add a User To Group www-data ( Apache Group )

by on May 6, 2011 · 0 comments

How do I a user to the Apache group called www-data under Ubuntu or Debian Linux server operating systems?

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HowTo: Merge Apache / Lighttpd / Nginx Server Log Files

by on February 23, 2011 · 0 comments

My ecommerce site runs using a cluster of Apache web server. The cluster is behind nginx load balancer. I want to merge backend Apache web server log files for statistics purpose. How do I mere web server log files under Linux / UNIX like operating systems using cron jobs?

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