Providing some small sample code would help, as for the actually problem check your (server's) error logs for any errors. Also check to see that Content-Type: text/html\n\n is being printed before your html.

Thank you. I'm so confused.

I think the problem is because the program that system() is calling is a bash script, so yes, the permissions and directories are all messed up. I'll probably have to do it by trial and error...

I was wondering if you could please tell me that if the cgi program (or rather the bash script the cgi program is calling) has to write a file, what permissions do I have to set the directory (where the file will be put) to?

Thanks very much,
roseberry

Step 1 - Find out the user name and group that the web server is running under.



ps -ef | grep httpd
# this will show you the user id of the web server
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Step 2 - Find out the permission of the directories and files you are trying to read from and write to.



ls -al /my/path
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Step 3 - Change the group of your directory and files to the httpd user group, and set group read/execute permission on the directories and files.



# httpd group (you can find out from the /etc/password
# and /etc/group files
chgrp -R httpd /my/path
chmod -R g+rx /my/path
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Step 4 - Well, test again.



su - httpd
# set uid to httpd user, assuming that you are the
# root user and no password is required

# run your cgi script from the command line.
# you don't need to use a browser to test the cgi script.
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By the way, you do have root access to the system, don't you?

If the script is running in tainted mode, you'll have to delete $ENV{PATH}; first. If perl runs in taint mode, it won't allow you to system while you have $ENV{PATH} inherited from the environment.