Reference: http://www.howtoforge.com/forums/showthread.php?t=53938

nveid

2011-08-29 0ea2a52fe228fd482f4cb4ce9440c22b8c37d9da

 server/plugins-available/shelluser_jailkit_plugin.inc.php

@@ -94,7 +94,7 @@
            // call the ssh-rsa update function
            $this->_setup_ssh_rsa();
            
            $command .= 'usermod -U '.escapeshellcmd($data['new']['username']);
            $command .= 'usermod -s /usr/sbin/jk_chrootsh -U '.escapeshellcmd($data['new']['username']);
            exec($command);
            
            $this->_update_website_security_level();