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Archive for April 26th, 2008
Accurate market share statistics and The $60 Billion dollar question
Posted in April 26th, 2008
LXer Feature: 26-Apr-2008
Earlier this week an article concerning Vista and market share and one about how Open Source Software has cost the IT Industry $60 Billion dollars over the last five years or so. Needless to say this generated some conversations about its validity. I got to wondering if there have ever been accurate market share statistics for Linux or any operating system for that matter and to ask myself the $60 Billion dollar question.
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How To Install Ubuntu Linux Under Windows Vista / XP With Wubi
Posted in April 26th, 2008
You can install latest Ubuntu Linux 8.04 under Windows Vista / XP without creating a new parition with a new tool called Wubi. It is a Ubuntu installer for Windows users that will bring you into the Linux world with a single click. Wubi allows you to install and uninstall Ubuntu easily. This blog post covers basic installation:
With the latest release of the popular Linux-based operating system, Ubuntu Hardy Heron, the installation process just got easier for Windows users who wish to try out an alternative to Vista or XP. Even .NET developers who are looking out on trying the Mono project (the .NET platform for Linux-based operating systems) can benefit from it. All this is possible thanks to a little Windows utility called Wubi, which is an installer for Ubuntu.
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© How To Install Ubuntu Linux Under Windows Vista / XP With Wubi – nixCraft – Support nixCraft when you shop at amazon. Thanks!
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LimitRequestBody: Apache Limiting User Upload File Size
Posted in April 26th, 2008
I’d like to put limits on user file uploading size. How do I restricts the total size of the HTTP request body sent from the client under Apache 2 Web server?
Answer to “LimitRequestBody: Apache Limiting User Upload File Size“
Copyright © nixCraft. All Rights Reserved. Support nixCraft when you shop at amazon. Thanks!
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mod_compress: Lighttpd Gzip Compression To Improve Download and Browsing Speed
Posted in April 26th, 2008
Gzip is the most popular and effective compression method. Most modern web browser supports and accepts compressed data transfer. By gziping response time can reduced by 60-70% as compare to normal web page. The end result is faster web site experience for both dial up (they’re not dead yet – I’ve dial up account for backup purpose) and boradband user. I’ve already written about speeding up Apache 2.x web access or downloads with mod_deflate.
mod_comress for Lighttpd 1.4.xx
Lighttpd 1.4.xx supports gzip compression using mod_compress. This module can reduces the network load and can improve the overall throughput of the webserver. All major http-clients support compression by announcing it in the Accept-Encoding header as follows:
Accept-Encoding: gzip, deflate
If lighttpd sees this header in the request, it can compress the response using one of the methods listed by the client. The web server notifies the web client of this via the Content-Encoding header in the response:
Content-Encoding: gzip
This is used to negotiate the most suitable compression method. Lighttpd support deflate, gzip and bzip2.
Configure mod_compress
Open your lighttpd.conf file:
# vi /etc/lighttpd/lighttpd.conf
Append mod_compress to server.modules directive:
server.modules += ( "mod_compress" )
Setup compress.cache-dir to stored all cached file:
compress.cache-dir = "/tmp/lighttpdcompress/"
Finally, define mimetypes to get compressed. Following will allow to compress javascript, plain text files, css file,xml file etc:
compress.filetype = ("text/plain","text/css", "text/xml", "text/javascript" )
Save and close the file. Create /tmp/lighttpdcompress/ file:
# mkdir -p /tmp/lighttpdcompress/
# chown lighttpd:lighttpd /tmp/lighttpdcompress/
Restart lighttpd:
# /etc/init.d/lighttpd restart
How do I enable mod_compress per virtual host?
Use conditional $HTTP host directive, for example turn on compression for theos.in:
$HTTP["host"] =~ "theos\.in" {
compress.cache-dir = "/var/www/cache/theos.in/"
}
PHP dynamic compression
Open php.in file:
# vi /etc/php.ini
To compress dynamic content with PHP please enable following two directives:
zlib.output_compression = On
zlib.output_handler = On
Save and close the file. Restart lighttpd:
# service lighttpd restart
Related Posts:
- Lighttpd map html pages to php (execute html pages as php)
- Lighttpd client side optimization with mod_expire to controls the expire http header
- How to optimize a web page for faster and better experience
- Speed up Apache 2.0 web access or downloads with mod_deflate
- Redhat Enterprise Linux 5 – lighttpd 1.5.0 installation
© mod_compress: Lighttpd Gzip Compression To Improve Download and Browsing Speed – nixCraft – Support nixCraft when you shop at amazon. Thanks!
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