检查是否安装nginx           ps -ef|grep nginx

检查rpm是否安装nginx    rpm -qa|grep nginx

查看linux  centos 发行版本 cat /etc/centos-release  (查看其它发现版本 就把centos替换为别的 比如 红旗的 redflag )

查看cpu信息 x86_64    lscpu

检查nginx所需依赖       rpm -ivh --test nginx-1.18.0-1.el7.ngx.x86_64.rpm

下载 以及安装地址

nginx RPM版本   此处版本是centos 7

Index of /packages/centos/7/x86_64/RPMS/

各种依赖下载地址 rpm 版本

centos-7-os-x86_64-Packages安装包下载_开源镜像站-阿里云

安装 各种依赖

openssl version 查看版本，可能需要升级

gcc 所需依赖

cpp-4.8.5-44.el7.x86_64.rpm
gcc-4.8.5-44.el7.x86_64.rpm
glibc-devel-2.17-317.el7.x86_64.rpm
glibc-headers-2.17-317.el7.x86_64.rpm
kernel-headers-3.10.0-1160.el7.x86_64.rpm
libmpc-1.0.1-3.el7.x86_64.rpm
mpfr-3.1.1-4.el7.x86_64.rpm

gcc 自己  与上面的分开两个文件夹

gcc-c+±4.8.5-44.el7.x86_64.rpm
libstdc+±4.8.5-44.el7.x86_64.rpm
libstdc+±devel-4.8.5-44.el7.x86_64.rpm

下完后放在一个文件夹  执行 rpm -Uvh *.rpm --nodeps --force 

openssl 升级安装  查看版本 openssl version

所需依赖

keyutils-libs-devel-1.5.8-3.el7.x86_64.rpm
krb5-devel-1.15.1-50.el7.x86_64.rpm
krb5-libs-1.15.1-50.el7.x86_64.rpm
libcom_err-1.42.9-19.el7.x86_64.rpm
libcom_err-devel-1.42.9-19.el7.x86_64.rpm
libkadm5-1.15.1-50.el7.x86_64.rpm
libselinux-2.5-15.el7.x86_64.rpm
libselinux-devel-2.5-15.el7.x86_64.rpm
libsepol-devel-2.5-10.el7.x86_64.rpm
libverto-devel-0.2.5-4.el7.x86_64.rpm
openssl-1.0.2k-19.el7.x86_64.rpm
openssl-devel-1.0.2k-19.el7.x86_64.rpm
openssl-libs-1.0.2k-19.el7.x86_64.rpm
openssl-perl-1.0.2k-19.el7.x86_64.rpm
openssl-static-1.0.2k-19.el7.x86_64.rpm
pkgconfig-0.27.1-4.el7.x86_64.rpm
zlib-devel-1.2.7-18.el7.x86_64.rpm

如果是通过 rpm 包安装的，会自动创建 nginx.service 文件

查看自启动的命令 systemctl is-enabled nginx  加入自启动  systemctl enable nginx

代理转发配置关键 前端配置 prod-api  

location /prod-api/ {
            proxy_pass  http://localhost:8098/;