Nginx service installation and software upgrade methods

Experimental environment:

[root@nginx ~]# cat /etc/redhat-release 
CentOS Linux release 7.4.1708 (Core) 
[root@nginx ~]# uname -r
3.10.0-693.el7.x86_64

Prepare low version Nginx server

Please refer to the installation of low version environment:

0 basic deployment Nginx service that novices can also complete

Prepare and compile the new version of Nginx software

View the old version of Nginx:

[root@nginx nginx-1.10.3]# /app/nginx/sbin/nginx -V
nginx version: nginx/1.8.1
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC) 
built with OpenSSL 1.0.2k-fips  26 Jan 2017
TLS SNI support enabled
configure arguments: --user=nginx --group=nginx --prefix=/app/nginx-1.8.1/ --with-http_stub_status_module --with-http_ssl_module

Download the new version of Nginx service software:

[root@nginx ~]# wget -q http://nginx.org/download/nginx-1.10.3.tar.gz

Unzip and enter the directory:

[root@nginx tools]# tar xf nginx-1.10.3.tar.gz 
[root@nginx tools]# cd nginx-1.10.3/

Precompile and compile:

[root@nginx nginx-1.10.3]# ./configure --user=nginx --group=nginx --prefix=/app/nginx-1.8.1/ --with-http_stub_status_module --with-http_ssl_module
[root@nginx nginx-1.10.3]# make

Replace the old version with the new version

Back up the old version executable file:

[root@nginx ~]# mv /app/nginx/sbin/nginx /app/nginx/sbin/nginx.old
[root@nginx nginx-1.10.3]# cp objs/nginx /app/nginx/sbin/

Check whether the new version is normal:

[root@nginx ~]# /app/nginx/sbin/nginx -t
nginx: the configuration file /app/nginx-1.8.1//conf/nginx.conf syntax is ok
nginx: configuration file /app/nginx-1.8.1//conf/nginx.conf test is successful

Perform a graceful restart and check the version:

[root@nginx ~]# /app/nginx/sbin/nginx -s reload
[root@nginx ~]# /app/nginx/sbin/nginx -V
nginx version: nginx/1.10.3
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC) 
built with OpenSSL 1.0.2k-fips  26 Jan 2017
TLS SNI support enabled
configure arguments: --user=nginx --group=nginx --prefix=/app/nginx-1.8.1/ --with-http_stub_status_module --with-http_ssl_module

Check the process:

[root@nginx ~]# ps -ef | grep nginx
root       9003      1  0 10:24 ?        00:00:00 nginx: master process /app/nginx/sbin/nginx
nginx     11720   9003  0 11:24 ?        00:00:00 nginx: worker process
root      11724   1223  0 11:24 pts/0    00:00:00 grep --color=auto nginx

Check the port:

[root@nginx ~]# ss -utpln | grep nginx
tcp    LISTEN     0      128       *:80                    *:*                   users:(("nginx",pid=11720,fd=6),("nginx",pid=9003,fd=6))

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