User:Andre Castro/prototyping-notes: Difference between revisions

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Tim Berners-Lee - put these 3 protocols together  
Tim Berners-Lee - put these 3 protocols together  
1990 - CERN
1990 - CERN
  [server]
  (server)
/
/
ulr - http - hyper text transfer protocol -  
ulr - http - hyper text transfer protocol -  
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       html - hyper text markup language
       html - hyper text markup language
  /
  /
  [browser]
  (browser)


* static files -  
* static files -  

Revision as of 15:42, 8 November 2011

The web

The invention of the web Tim Berners-Lee - put these 3 protocols together 1990 - CERN (server) / ulr - http - hyper text transfer protocol - \ /

      html	- hyper text markup language

/

(browser)
  • static files -
  • scripts - get program running on a server


url: protocol:// hostname path... (name=ip) ftp:// cern.ch/guy/file.txt } i can acess files htttp://pzwart3.nl/silvio/img.png \/ GET: /silvio/img.png (Onje can make a link w/out asking for permission: Hayles dream of freedom of information)


http - "pick up the phone, hang up the phone". very VS shh - long term connection - very intereactive protocol


//check the erro log of the server tail -f /var/log/apache2/error.log


TO RUN A PYTHON SCRIPT ON THE SERVER chmod +x

  1. ! /usr/bin/pyhton #tell it what will run the script

import cgitb cgitb.enable()

print "Content-type: text/html" # mime type

test it in command line : ./file.cgi


  • sshfs - mounts the server on my machine


import os print os.environ

for key in os.environ: print key, ":", os.environ[key], "
"





Ted Nelson - computer agitator - hyper text thought the web was missing: a link should be 2ways. if one is linked by some, a link in this linked person should also appear


telnet is the same as ssh, but not encripted