一键安装nginx shell脚本

#!/bin/bash

#解决软件的依赖关系，需要安装的软件包
yum install epel-release -y

#新建luogan用户和组
id  fanwenhao || useradd fanwenhao -s /sbin/nolog

#下载nginx软件
mkdir  /fanwenhao99 -p
cd /fanwenhao99
wget  https://nginx.org/download/nginx-1.21.4.tar

#解压软件
tar xf nginx-1.21.4.tar.gz
#进入解压后的文件夹
cd nginx-1.21.4

#编译前的配置
if (( $? != 0));then
#执行修改了环境变量的脚本
source /root/.bashrc


#firewalld and selinux

#stop firewall和设置下次开机不启动firewalld
tar xf nginx-1.21.4.tar.gz
#进入解压后的文件夹
#编译前的配置
if (( $? != 0));then
#执行修改了环境变量的脚本
source /root/.bashrc


#firewalld and selinux

#stop firewall和设置下次开机不启动firewalld
make -j 2
#执行修改了环境变量的脚本
source /root/.bashrc


#firewalld and selinux

#stop firewall和设置下次开机不启动firewalld
service firewalld stop
systemctl disable firewalld

#临时停止selinux和永久停止selinux
setenforce 0
sed  -i '/^SELINUX=/ s/enforcing/disabled/' /etc/selinux/config

#开机启动
chmod +x /etc/rc.d/rc.local
echo  "/usr/local/scfanwenhao99/sbin/nginx" >>/etc/rc.local

#修改nginx.conf的配置，例如：端口号，worker进程>数，线程数，服务域名

sed  -i '/worker_processes/ s/1/2/' /usr/local/scfanwenhao99/conf/nginx.conf
sed  -i  '/worker_connections/ s/1024/2048/' /usr/local/scfanwenhao99/conf/nginx.conf
sed  -i -r '36c \tlisten  80;' /usr/local/scfanwenhao99/conf/nginx.conf
sed  -i -r '37c \tserver_name www.fanwenhao.com;' /usr/local/scfanwenhao99/conf/nginx.conf

#killall nginx进程
killall -9 nginx

#启动nginx
/usr/local/scfanwenhao99/sbin/nginx