---------------- Website 1 ----------------
# chown -R root:nginx /var/www/html/example1.com/
# chmod -R 755 /var/www/html/example1.com/
# chown -R root:nginx /var/log/nginx/example1.com/
# chmod -R 660 /var/log/nginx/example1.com/
---------------- Website 2 ----------------
# chown -R root:nginx /var/www/html/example2.com/
# chmod -R 755 /var/www/html/example2.com/
# chown -R root:nginx /var/log/nginx/example2.com/
# chmod -R 660 /var/log/nginx/example2.com/