Step 1)

# cd /var/www/html/ausfeed.customclouddata.com/

# rm -rf /var/www/html/ausfeed.customclouddata.com/public/nubuilder/*

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/nuBuilder-4.5/* /var/www/html/ausfeed.customclouddata.com/public/nubuilder/

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/copy-back-in-files/* /var/www/html/ausfeed.customclouddata.com/public/nubuilder/

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/patch-files/index.php /var/www/html/ausfeed.customclouddata.com/public/nubuilder/

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/patch-files/nudatabase.php /var/www/html/ausfeed.customclouddata.com/public/nubuilder/core/nudatabase.php

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/patch-files/nusystemupdate.php /var/www/html/ausfeed.customclouddata.com/public/nubuilder/core/nusystemupdate.php

Step 2) Login 
		https://ausfeed.customclouddata.com/nubuilder
		call this url: https://ausfeed.customclouddata.com/nubuilder/core/nusystemupdate.php

Step 3)

# rm -rf /var/www/html/ausfeed.customclouddata.com/public/nubuilder/*

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/nuBuilder-4.5/* /var/www/html/ausfeed.customclouddata.com/public/nubuilder/

# cp -rf /var/www/html/ausfeed.customclouddata.com/upgrading/copy-back-in-files/* /var/www/html/ausfeed.customclouddata.com/public/nubuilder/