NginxCP.com

If you want to install Nginx Admin v1.4 in cPanel 11.26 then follow the below method,

Install instruction:
cd /usr/local/src
wget http://nginxcp.com/nginxadmin1.4-stable.tar
tar xf nginxadmin1.4-stable.tar
cd publicnginx
replace ‘11.28’ ‘11.26’ — /usr/local/src/publicnginx/nginxinstaller

./nginxinstaller install