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HowTo: Merge Apache / Lighttpd / Nginx Server Log Files

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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Mediawiki Fix Internal Server Host Names / Redirection In shared Hosting or Proxy Setup

Our customer support wiki runs on an internal host (ip:, hostname a-node100.:300) and it is behind the nginx reverse proxy server. However, our Apache server end up displaying internal server name http://a-node100.:300/, which results into an unexpected redirection and timeouts as http://a-node100.:300/ is not accessible over the Internet. How do I force nginx or apache to use the base URL of our server (http://support.example.com/wiki/)?

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Restart Apache 2 In Mac OS X

How do I restart the Apache 2 Web Server under Apple OS X UNIX operating systems using bash command prompt?
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WordPress Rename Image URL For a CDN Usage

Recently, we moved all our static assets to a CDN (Content Delivery Network) as described here. However, we have over 8000+ old blog posts and we need to point static images url to our CDN account hosted at http://MyACCOUNT.cloudfront.net/images/ folder. How do I rename all image urls stored in wordpress posts? How do I offload static images to a CDN urls under WordPress?
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Apache2 NameVirtualHost *:80 has no VirtualHosts Error and Solution

Whenever I try to star my Apache 2 server under UNIX / Linux and get a warning as follows:

[warn] NameVirtualHost *:80 has no VirtualHosts

How do I fix this problem?
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Linux Syslogd: Nothing Gets Logged Using /dev/log And /jail/apache/dev/log

I‘ve configured my Apache in chrooted jail at /jail/apache directory. However, my syslogd is not working and nothing gets logged using /dev/log and /jail/apache/dev/log. How do I fix this problem under CentOS 5.x AMD64 with SELinux?
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PHP Increase Upload File Size Limit

How do I increase upload file limit from 2MB to 10MB under Apache 2 UNIX / Linux web server?
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Start / Stop / Restart Apache Web Server Via SSH

How do I start / stop or restart Apache web sever via SSH (secure shell) under Linux or UNIX operating systems?
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Mac OS x Restart Apache Web Server

How do I restart Apache web server under Mac OS X operating systems?
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CentOS / Redhat Apache mod_ssl Configuration

The mod_ssl module provides strong cryptography for the Apache Web server via the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols. How do I install and configure mod_ssl under CentOS / Fedora / Redhat Enterprise Linux?
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