Linux non-root user install nginx
wget http://nginx.org/download/nginx-1.9.3.tar.gz
tar -zxvf nginx-1.9.3.tar.gz
cd nginx-1.9.3
./configure --prefix=/your_dir/nginx\
--sbin-path=/your_directory//nginx/nginx\
--conf-path=/your_directory//nginx/nginx.conf \
--pid-path=/your_directory//nginx/nginx.pid\
--with-http_ssl_module
Authorize with linux root user
into your directory/
chown root nginx
chmod u+s nginx
chown root nginx.pid
chmod u+s nginx.pid
Reference: http://blog.itpub.net/29773961/viewspace-1377290/