一键部署web服务器nginx
1. 编写脚本情况分析
判断所需nginx安装包是否存在/opt目录;
直接对yum官方源进行备份,并设置好本地源;
安装模块并编译安装nginx,为了能直观显示,没有导入到黑洞文件;
判断软链接是否存在,因为不排除自己手动做过,或者二次执行本脚本;
优化路径,为了可以使用 tab键进行命令补全;
最后判断nginx的80端口是否开启;
任一环节出现问题都会退出脚本。
2. 脚本代码部分
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#!/bin/bash# 一键部署Tomcat服务器systemctl stop firewalldsystemctl disable firewalldsetenforce 0 &> /dev/null# 判断/opt目录下是否有指定安装包if [ -e /opt/nginx-1.12.0.tar.gz ];then continueelse echo -e '\033[35m /opt目录中没有安装包[nginx-1.12.0.tar.gz]\033[0m' exitfi# 配置yum本地源yumm (){ if ls /etc/yum.repos.d/ | grep repo.bak &> /dev/null then mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/repo.bak/ else mkdir /etc/yum.repos.d/repo.bak/ mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/repo.bak/ fi echo -e "[local]\nname=local\nbaseurl=file:///mnt\nenable=1\ngpgcheck=0" > /etc/yum.repos.d/local.repo if df -h | grep /dev/sr0 &> /dev/null then umount /dev/sr0 mount /dev/cdrom /mnt &> /dev/null else mount /dev/cdrom /mnt &> /dev/null if [ $? -ne 0 ] then echo "光盘不存在,检查是否加载镜像,状态是否已连接!" exit fi fi}yummif yum clean all &> /dev/nullthen if yum makecache &> /dev/null then echo "yum本地源配置完成!可以正常安装程序!" else echo "yum缓存建立失败!" fielse echo "yum缓存清除失败......" fi# 安装依赖包创建新用户编译安装yum -y install pcre-devel zlib-devel gcc gcc-c++ make &> /dev/nulluseradd -M -s /sbin/nologin nginxcd /opttar zxvf nginx-1.12.0.tar.gz -C /opt/ &>/dev/null# 安装模块cd nginx-1.12.0/./configure \--prefix=/usr/local/nginx \--user=nginx \--group=nginx \--with-http_stub_status_modulemake && make install# 判断软链接是否存在if [ -e /usr/local/sbin/nginx ];then rm -rf /usr/local/sbin/nginxfiln -s /usr/local/nginx/sbin/nginx /usr/local/sbin/# 优化路径echo '[Unit]Description=nginxAfter=network.target[Service]Type=forkingPIDFile=/usr/local/nginx/logs/nginx.pidExecStart=/usr/local/nginx/sbin/nginxExecReload=/bin/kill -s HUP $MAINPIDExecStop=/bin/kill -s QUIT $MAINPIDPrivateTmp=true[Install]WantedBy=multi-user.target' > /lib/systemd/system/nginx.servicechmod 754 /lib/systemd/system/nginx.servicesystemctl daemon-reloadsystemctl stop nginx.servicesystemctl start nginx.servicesystemctl enable nginx.service &> /dev/nullif netstat -napt | grep nginx &> /dev/null ;then echo -e '\033[35m Nginx服务器已部署完成!80端口已开!请在浏览器测试!\033[0m'else echo -e '\033[35m Nginx端口未打开!请检查相关配置!\033[0m'fi |
3.实验部分

浏览器测试:

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