[root@z-dig ~]# cd /usr/local/src/nginx
[root@z-dig nginx]# make clean
rm -rf Makefile objs
[root@z-dig nginx]#./configure --prefix=/usr/local/nginx --user=www --group=www \
--with-http_ssl_module --with-http_stub_status_module \
--add-module=/usr/local/src/headers-more-nginx-module-master
[root@z-dig nginx]# make
[root@z-dig nginx]# make install
[root@z-dig nginx]# kill -s USR2 `cat /usr/local/nginx/logs/nginx.pid`
[root@z-dig nginx]# ps -ef|grep nginx
root 2017 1 0 Apr21 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
www 2018 2017 0 Apr21 ? 00:00:30 nginx: worker process
root 21717 2017 0 19:41 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
www 21718 21717 0 19:41 ? 00:00:00 nginx: worker process
root 21856 18312 0 19:45 pts/2 00:00:00 grep nginx
[root@z-dig nginx]# kill -s WINCH `cat /usr/local/nginx/logs/nginx.pid.oldbin`
[root@z-dig nginx]# ps -ef|grep nginx
root 2017 1 0 Apr21 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
root 21717 2017 0 19:41 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
www 21718 21717 0 19:41 ? 00:00:00 nginx: worker process
root 21943 18312 0 19:49 pts/2 00:00:00 grep nginx
[root@z-dig nginx]# kill -s QUIT `cat /usr/local/nginx/logs/nginx.pid.oldbin`
[root@z-dig nginx]# ps -ef|grep nginx
root 21717 1 0 19:41 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
www 21718 21717 0 19:41 ? 00:00:00 nginx: worker process
root 22050 18312 0 19:54 pts/2 00:00:00 grep nginx
[root@z-dig nginx]#