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Shell Programming and Scripting

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
# 8  
Old 12-10-2009
hello
either ping the server as told by the others.
or do
Code:
telnet hostname 80

where hostname=www.your-site.com
and 80 is the port no. where most of the webservers listen at port no. 80
if you dont get a response its down.
Otherwise if you get a shell without a prompt. then its up.
regards.
# 9  
Old 12-10-2009
This is a pretty standard way of discarding all output. What it means is that stdout get directed to /dev/null. and stderr (signified by the number 2) gets sent to where stdout (signified by the number 1) is pointing to. /dev/null is a special file that discards any data that get sent to it ..
# 10  
Old 12-10-2009
I executed the command and its taking too long.I am still waiting to see the output.
# 11  
Old 12-10-2009
Did you use all the statement including the if .. then part to see if www.google.gnorky is up and running? Does you host have access to the Internet and a dns server?
# 12  
Old 12-10-2009
I gave the address as http://www.google.com instead of your gnorky.I do have internet access and access to the dns server. I executed the command the waiting for more then 15 mins..still getting executed. is there any other way to find whether page is up and running
Last edited by pludi; 12-10-2009 at 05:09 PM.. Reason: removed links
# 13  
Old 12-10-2009
MySQL
Hi scrutinizer

How should I modify the command for a web page which need user authentication like username and password.
The code which you gave was working fine with www.google.gnorky
but its not giving any response for http://www.google.com
Last edited by pludi; 12-10-2009 at 05:10 PM.. Reason: removed links
# 14  
Old 12-10-2009
That means that Google is up and running. OK I thought you only wanted to do something if the site was down. You could try this:

Code:
website="www.google.gnorky"
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
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