Run bash on the web
Enable the required apache modules.
# turn on mod_cgid in the apache config
echo "LoadModule cgid_module modules/mod_cgid.so" >> /etc/httpd/conf/httpd.conf
Create a cgi-bin folder for the scripts to be executed from.
mkdir /srv/http/cgi-bin
Use this header for your scripts.
#!/bin/bash
echo "Content-type: text/html"
echo ""
echo "<meta charset="utf-8">"
Make it executable.
chmod +x /srv/http/cgi-bin/myscript.sh