nginx编译安装脚本 | 端口检测

nginx_install.sh

#!/bin/bash
#Author:
#Created time:2022/3/2
#Description:install nginx

#variables
nginx_pkg="nginx-1.16.1.tar.gz"
nginx_rel="nginx-1.16.1"
nginx_install_doc=/usr/local/nginx
nginx_start_doc=$nginx_install_doc/sbin/nginx
nginx_user="www"
nginx_group="www"

check () {
  #检测用户
  if [ "$USER" != "root" ];then
          echo "need to be root so that"
          exit 1
  fi
  #检测wget
  if  [ ! -x /usr/bin/wget ] ;then
      yum install -y wget >/dev/null
  fi
}

install_pkg () {
 #安装依赖
if !(yum install -y gcc gcc-c++ pcre-devel zlib-delvel openssl openssl-devel 1>/dev/null);then
   echo "ERROR:yum install error"
   exit 1
fi

#下载源码包
if (wget -O /usr/local/src/$nginx_pkg https://nginx.org/download/$nginx_pkg 1>/dev/null);then
        mkdir $nginx_install_doc
        tar -xf /usr/local/src/$nginx_pkg -C /usr/local/src/
        if [ ! -d /usr/local/src/$nginx_rel ];then
           echo "ERROR:not found $nginx_rel"
           exit 1
        fi
else
        echo "ERROR:wget file fail"
        exit 1
fi
}

nginx_install () {
#创建用户
useradd -r -s /sbin/nologin www
#编译安装
cd /usr/local/src/$nginx_rel
if ./configure --prefix=$nginx_install_doc --user=$nginx_user --group=$nginx_group 1>/dev/null;then
  if make 1>/dev/null;then
    if make install 1>/dev/null;then
        echo "make install successful"
    else
        echo "make install fail"
        exit 1
    fi
  else
    echo "make fail"
    exit 1
  fi
else
    echo "./configure fail"
    exit 1
fi
}
#启动，测试
nginx_start () {
if $nginx_start_doc;then
  echo "nginx start SUCCESS!"
  curl http://localhost:80
else
  echo "nginx start FAIL"
fi
}
echo "this is nginx install script"
read -p "press "Y" install;press "N" cancel: " ch
if [ $ch == 'Y' ];then
  check;install_pkg;nginx_install;nginx_start
  if [ $ch == 'N' ];then
     exit 1
  fi
fi

nginx_port.sh

#!/bin/bash

#检测nginx脚本，一旦nginx端口不存在，重新启动nginx

nginx_status() {

#启动目录
nginx_start=/usr/local/nginx/sbin/nginx

#临时文件
temp_file=`mktemp nginx_status.XXX`

#判断方法：检测服务端口是否有相应，使用telnet协议
(telnet $1 $2 <<EOF
quit
EOF
) &> $temp_file

if (grep -E "\^]"  $temp_file)&>/dev/null;then
    echo "nginx is running ..."
else
    $nginx_start >/dev/null
fi

rm -f $temp_file

}
nginx_status $1 $2