For 2023 (and 2024 ...) - we are now fully retired from IT training. We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.
Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!
I am also active in many other area and still look after a lot of web sites - you can find an index ((here)) |
Virtual Hosting on Apache httpd - a primer example
A single web server computer, running a single Apache httpd daemon, can serve many domains through virtual hosting - usually "named virtual hosting" which allows a single IP address to be used for all the different domains.
Here is how it works ...
• you set up all your defaults in the main httpd.conf file
• your FIRST virtual host contains everything that differs from these defaults for hosts that are not otherwise defined in any later virtualhost blocks, and also for any requests that do not include a host name.
• subsequent virtual host blocks provide the changes from the initial defaults for specific hosts or hosts, as specified by the servername directive(s) within each block.
Here's an example of the end on an httpd.conf file
NameVirtualHost *:80
#
<VirtualHost *:80>
</VirtualHost>
#
include conf/stuffing.txt
#
<VirtualHost *:80>
ServerName www.hussey.co.uk
DocumentRoot /home/hussey/html
CustomLog /home/hussey/logs/villagepeople.log combined
</VirtualHost>
all host names are served by the defaults, except www.hussey.co.uk which has a different document root and log file. There's also probably another virtual host included in stuffing.txt ....
<VirtualHost *:80>
ServerName www.royaloak.waddy
DocumentRoot /home/royaloak/html
CustomLog /home/hussey/logs/villagepeople.log combined
</VirtualHost>
Yes - the domain www.royaloak.waddy is also served from a different directory.
Above example from yesterday's Linux Web Server course (written 2008-06-25)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles A604 - Web Application Deployment - Apache httpd - virtual hosts [690] Adding Virtual Hosts - (2006-04-19) [1896] Virtual Hosts and Virtual Servers - (2008-11-20) [3132] Virtual Hosting with Apache http server - an overall scheme, and avoiding common pitfalls - (2011-01-14) [3568] Telling which ServerAlias your visitor used - useful during merging domains - (2012-01-04) [4404] Which (virtual) host was visited? Tuning Apache log files, and Python analysis - (2015-01-23)
Some other Articles
Co-routines in Lua - co-operative processingConversion of c/r line ends to l/f line endsSome sideways thoughts on the newscannot restore segment prot after reloc message - PHP / httpdVirtual Hosting on Apache httpd - a primer exampleFTP - how not to corrupt data (binary v ascii)Short circuit evaluation (lazy operator) in LuaTwo PHP include files to make easy web site indexing and navigationPlenty of car parking at Well House Manor, Hotel, MelkshamAccounts in PHP - an OO demo
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This is a page archived from The Horse's Mouth at
http://www.wellho.net/horse/ -
the diary and writings of Graham Ellis.
Every attempt was made to provide current information at the time the
page was written, but things do move forward in our business - new software
releases, price changes, new techniques. Please check back via
our main site for current courses,
prices, versions, etc - any mention of a price in "The Horse's Mouth"
cannot be taken as an offer to supply at that price.
Link to Ezine home page (for reading).
Link to Blogging home page (to add comments).
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