编译安装nginx服务

 关闭防火墙安装依赖包

systemctl stop firewalld
setenforce 0
yum install -y pcre-devel zlib-devel gcc gcc-c++ make

 创建运行用户和组，便于管理

nginx服务程序默认以nobody身份运行，建议为其创建专门的用户账号，以便更准确地控制其访问权限。

[root@root ~]# useradd -M -s /sbin/nologin nginx

解压软件包，编译安装nginx·

tar zxvf nginx-1.12.0.tar.gz -C /opt/

cd nginx-1.12.0/
./configure \
--prefix=/usr/local/nginx \					#指定nginx的安装路径
--user=nginx \								#指定用户名
--group=nginx \								#指定组名
--with-http_stub_status_module				#启用 http_stub_status_module 模块以支持状态统计操作  VTS
make && make install

ln -s /usr/local/nginx/sbin/nginx /usr/local/sbin/		#让系统识别nginx的操作命令

检查、启动、重启、停止nginx服务

[root@localhost nginx-1.12.2]# nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
[root@localhost nginx-1.12.2]# nginx
[root@localhost nginx-1.12.2]# lsof -i :80
COMMAND  PID  USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
nginx   4452  root    6u  IPv4  30635      0t0  TCP *:http (LISTEN)
nginx   4453 nginx    6u  IPv4  30635      0t0  TCP *:http (LISTEN)
[root@localhost nginx-1.12.2]# kill -3 4452
[root@localhost nginx-1.12.2]# nginx
[root@localhost nginx-1.12.2]# cat /usr/local/nginx/logs/nginx.pid
4464
[root@localhost nginx-1.12.2]# kill -1 4464
[root@localhost nginx-1.12.2]# kill -s HUP 4464

升级nginx服务

[root@localhost opt]# tar xf nginx-1.22.0.tar.gz 
[root@localhost nginx-1.22.0]# ./configure --prefix=/usr/local/nginx --user=nginx --group=nginx --with-http_ssl_module
make
mv /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx_old   备份
cp objs/nginx /usr/local/nginx/sbin/nginx
重启服务 并且
nginx -V   #查看版本