Curl posting variables to web site - were to get help?

Hardware Arduino Yún
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I know this is the wrong forum to asked about Curl, but I am going around in circles and read so many post & web sites I am now so confused. Could some one point me to a good forum on Curl to ask about to solve my problem?

I want to post variables to a web site, using HTTP variables the web site php code works and now trying to get the Yun via curl to pass across the variables. I have three variables and I have tried many different commands, such as these:

curl www.abc.co.uk/upload.php --data a=1&b=2&c=3
curl www.abc.co.uk/upload.php?a=1&b=2&c=2

The above options do not support the variable transfers, so looking for a good fourm to help answer my question

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brendonshaw:
I know this is the wrong forum to asked about Curl, but I am going around in circles and read so many post & web sites I am now so confused. Could some one point me to a good forum on Curl to ask about to solve my problem?

::::SNIP::::

@brendonshaw,
we can help you with basic data transfer. On your data transfer, you likely have to do it as:

curl -X POST http://www.abc.co.uk/upload.php?a=1&b=2&c=2
or 
curl -k -X POST https://www.abc.co.uk/upload.php?a=1&b=2&c=2

-k = ignore security certificate
-X POST = use POST method

of course, this depends on how your upload.php

Let us know how that works.
Jesse

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