Ubuntu 10.04
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Enable suEXEC
2010/07/24
  Normally executing user for CGI is Apache, but it's possible to execute CGI with other users by using suEXEC.

[1] Enable suEXEC
root@www05:~#
aptitude -y install apache2-suexec-custom


root@www05:~#
a2enmod suexec

Enabling module suexec.
Run '/etc/init.d/apache2 restart' to activate new configuration!
[2] For example, configure to enable suEXEC under a directory "lucid".
root@www05:~#
vi /etc/apache2/suexec/www-data


# add at the head: write directories you'd like to enable suEXEC

/home/lucid/public_html

/var/www
public_html/cgi-bin

root@www05:~#
vi /etc/apache2/sites-enabled/virtual.host


<VirtualHost *:80>
ServerName www.virtual.host

ServerAdmin webmaster@virtual.host

DocumentRoot /home/lucid/public_html

ErrorLog /var/log/apache2/virtual.host.error.log

CustomLog /var/log/apache2/virtual.host.access.log combined

LogLevel warn

# add: let lucid a executing user

SuexecUserGroup lucid lucid

</VirtualHost>

Run '/etc/init.d/apache2 reload' to activate new configuration!
root@www05:~#
/etc/init.d/apache2 restart

  * Restarting web server apache2
  ... waiting ...done.
[3] Make sure a test page is shown normally with changing parmission to 700.
lucid@www05:~$
cd public_html

lucid@www05:~/public_html$
vi suexec.cgi


#!/usr/local/bin/perl

print "Content-type: text/html\n\n";
print <<"EOM";
<html>
<body>
<div style="width: 100%; font-size: 40px; font-weight: bold; text-align: center;">
suEXEC Test Page
</div>
</body>
</html>
EOM
exit;


lucid@www05:~/public_html$
chmod 700 suexec.cgi

 
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