I tried to do a cron and run a url every 5 mintues.
I tried to use WGET however I dont want to download the files on the server, all I want is just to run it.
This is what I used (crontab):
*/5 * * * * wget http://www.example.com/cronit.php
You could tell wget to not download the contents in a couple of different ways:
wget --spider http://www.example.com/cronit.php
which will just perform a HEAD request but probably do what you want
wget -O /dev/null http://www.example.com/cronit.php
which will save the output to /dev/null (a black hole)
You might want to look at wget's -q switch too which prevents it from creating output
I think that the best option would probably be:
wget -q --spider http://www.example.com/cronit.php
that's unless you have some special logic checking the HTTP method used to request the page