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How to check whether the web page is up without dowloading any content

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Top Forums Shell Programming and Scripting How to check whether the web page is up without dowloading any content
# 15  
Old 12-10-2009
Can you give me a website which is up and running.www.google.gnorky is not runningit seems.
and the site which i am checking need password and username. can you give me the code which can been used for authentication required site
# 16  
Old 12-10-2009
from man wget Smilie :
Code:
* If you want to encode your own username and password to HTTP or FTP, use the appropriate URL syntax.
        wget ftp://hniksic:mypassword@unix.server.com/.emacs

# 17  
Old 12-10-2009
Exactly it is not running, since gnorky is not a domain extension, but rather the sound an elephant makes when he's got a knot in his trunk and then he needs to sneeze.

You can substitute it for any website you'd like to test, for instance Google.
For user name password also have a look at the --post-data option in the man page.
# 18  
Old 12-10-2009
I am getting connection timed out for trying to get the response from Google.
Last edited by ahamed; 12-10-2009 at 06:08 PM..
# 19  
Old 12-10-2009
Code:
$ website="www.google.com"
$ if wget --spider $website >/dev/null 2>&1; then   echo Now I should send an email about $website being up; else   echo Now I should send an email about $website being down; fi
Now I should send an email about www.google.com being up

Are you not required to use your company's web proxy? If so you need to set these environment variables:
e.g.
Code:
export http_proxy=http://webproxy.acme.com:8080

Code:
export https_proxy=https://webproxy.acme.com:8080

Note: acme.com is not a real name and 8080 is just an example port . You should use your company's proxy server and port number.

Perhaps you are also required to enter user name and password for the proxy, see:

Code:
$ man wget|grep proxy-
       --proxy-user=user
       --proxy-password=password

Last edited by Scrutinizer; 12-10-2009 at 06:02 PM..
# 20  
Old 12-11-2009
My suggestion would be to use user agent (UA), which is very handy and effective

LWP::UserAgent - search.cpan.org
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