web server

How do I restart / stop / start the nginx web server under Ubuntu Linux operating systems?

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How do I restart the Apache 2 Web Server under Apple OS X UNIX operating systems using bash command prompt?

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How do I create a custom static HTTP 404 or HTTP 403 error page under nginx web server?

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I know how to use rsync for Unix systems which synchronizes files and directories from one location to another while minimizing data transfer. However, I would like to synchronizing files between two directories, either on one computer, or between a computer and another server. How do I maintain the same version of files on multiple servers?

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How do I configure IPv6 networking under nginx? How do I assign and use an IPv6 address under nginx web server? How do I enable IPv6 Support in nginx?

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I‘ve tons of images, css and javascript hosted at backend server IP 192.168.1.5 and 192.168.1.6. How do I make sure nginx reverse proxy load balancer always send all http_user_agent requests coming from “Mozilla” to server 192.168.1.5 and MSIE to server 192.168.1.6 only?

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I‘m getting the following error in my nginx server error log file:

2010/04/16 13:24:16 [crit] 21974#0: *3188937 open() “/usr/local/nginx/html/50x.html” failed (24: Too many open files), client: 88.x.y.z, server: example.com, request: “GET /file/images/background.jpg HTTP/1.1″, upstream: “http://10.8.4.227:81//file/images/background.jpg”, host: “example.com”

How do I fix this problem under CentOS / RHEL / Fedora Linux or UNIX like operating systems?

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