一个自动安装lnmp环境的shell脚本

#/bin/bash
#定义nginx源码包版本，脚本会根据版本名称和后缀检查文件是否在当前目录若是你须要安装不一样版本的nginx能够修改这两个变量 
nginx_version=nginx-1.8.0
format1=tar.gz
#定义php-fpm安装包的文件名，若是你须要安装其余版本能够更改这个变量
php_fpm_package_name=php-fpm-5.4.16-36.el7_1.x86_64.rpm
#判断系统语言是否是中文是返回0不是返回1
language(){
    echo $LANG |grep -q zh
    [ $? -eq 0 ] && return 0 || return 1
}
#yum仓库的错误输出函数
error_yum(){
    #根据系统默认语言输出错误提示
    language
    if [ $? -eq 0 ];then
        clear
        echo
        echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        echo "错误:本机YUM不可用，请正确配置YUM后重试."
        echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        echo
        exit
    else
        clear
        echo
        echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        echo "ERROR:Yum is disable,please modify yum repo file then try again."
        echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        echo
        exit
    fi
}
#yum仓库检查函数
yumcheck(){
    #清空yum缓存
    yum clean all &>/dev/null
    #获得yum仓库中可用rpm包个数
    repolist=$(yum repolist 2>/dev/null |awk '/repolist:/{print $2}'|sed 's/,//')
    if [ $repolist -le 0 ];then
        #若是可用软件包数是0则调用报错函数error_yum提示yum错误
        error_yum  
    fi
}
#解决nginx依赖关系
solve_depend(){
    language
    if [ $? -eq 0 ];then
        echo -en "\033[1;34m正在安装依赖包,请稍后...\033[0m"
    else
        echo -e "\033[1;34mInstalling dependent software,please wait a moment...\033[0m"
    fi
        rpmlist="gcc pcre-devel openssl-devel zlib-devel make"
    #循环安装nginx全部依赖包
    for i in $rpmlist
      do
        #查看该包是否安装若是每有安装则安装不然跳过
        rpm -q $i &>/dev/null || yum -y install $i 
      done
}
#当前目录找不到源码包提示错误函数
error_nofile(){
    language
        if [ $? -eq 0 ];then
               clear
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               echo -e "\033[1;34m错误:未找到[ ${1} ]软件包,请下载软件包至当前目录.\033[0m"
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               exit
        else
               clear
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               echo -e "\033[1;34mERROR:Not found [ ${1} ] package in current directory, please download it.\033[0m"
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               exit
        fi
}
#安装nginx函数
install_nginx(){
    #调用yum仓库检查
    yumcheck
    #安装nginx依赖包
    solve_depend
    grep -q nginx /etc/passwd
    #若是系统中不存在nginx这个用户则添加一个nginx用户
    [ $? -ne 0 ] && useradd -s /sbin/nologin nginx
    if [ -f ${nginx_version}.${format1} ];then
        tar -xf ${nginx_version}.${format1}
        cd $nginx_version
        ./configure --prefix=/usr/local/nginx --with-http_ssl_module
        make
        make install
        ln -s /usr/local/nginx/sbin/nginx /usr/sbin/
        cd ..
    else
        #若是找不到nginx安装文件则报错
        error_nofile Nginx
    fi
}
#yum安装错误提示函数
error_yum(){
    language
        if [ $? -eq 0 ];then
           clear
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               echo -e "\033[1;34m错误: ${1}安装失败.\033[0m"
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               exit
    else
           clear
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               echo -e "\033[1;34merror: ${1}install error.\033[0m"
               echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
               exit

    fi
}

#安装PHP Mariadb 相关组件函数
yum_install(){
    yum_list="php php-mysql mariadb mariadb-server mariadb-devel"
    for i in $yum_list
    do
         #查看该包是否安装若是每有安装则安装不然跳过
                rpm -q $i &>/dev/null || yum -y install $i
        [ $? -nq 0 ] && error_yum $i
    done
}
#安装php后台程序函数
install_php_fpm(){
    if [ -f ${php_fpm_package_name} ]
    then
    rpm -q $php_fpm_package_name &>/dev/null || rpm -hiv $php_fpm_package_name
    else
    error_yum  ${php_fpm_package_name}
    fi
}
#启动提示
start_message(){
    language
      if [ $? -eq 0 ];then
        if [ $2 -eq 0 ];then
                echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
                echo -e "\033[1;34m启动: ${1}启动成功.\033[0m"
                echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        else
            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
                echo -e "\033[1;34m启动: ${1}启动失败.\033[0m"
                echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        fi
    else
         if [ $2 -eq 0 ];then
                echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
                echo -e "\033[1;34mstart: ${1}start is successful.\033[0m"
                echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        else
            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
                echo -e "\033[1;34mstart: ${1}start is error.\033[0m"
                echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
        fi

    fi
}

#启动lnmp环境函数
start_lnmp(){
    systemctl start php-fpm.service &>/dev/null
    netstat -tupan |grep php-fpm
    [ $? -eq 0 ] && start_message php-fpm 0 || start_message php-fpm 1
    /usr/local/nginx/sbin/nginx &>/dev/null
    netstat -tupan |grep nginx &>/dev/null
    [ $? -eq 0 ] && echo start_message nginx 0 || start_message nginx 1
    systemctl start mariadb &>/dev/null
    [ $? -eq 0 ] && start_message mariadb 0 || start_message mariadb 1
    #启动环境结束后暂停5秒；退出程序
    sleep 5
    exit 
}
#脚本菜单函数
menu(){
    clear
    language
    if [ $? -eq 0 ];then
       echo "  ##############----Menu----##############"
       echo "# 1. 安装lump环境"
       echo "# 2. 启动lump环境"
       echo "# 9. 退出程序"
       echo "  ########################################"
    else
       echo "  ##############----Menu----##############"
       echo "# 1. Install lnmp"
       echo "# 2. Start lnmp"
       echo "# 9. Exit Program"
       echo "  ########################################"
    fi
}
#功能选择函数
choice(){
    language
    if [ $? -eq 0 ];then
        read -p "请选择一个菜单[1 2 9]:" select
    else
        read -p "Please choice a menu[1 2 9]:" select
    fi
}
#主程序开始
while :
do
    menu
    choice
    case $select in 
    1)
    install_nginx
    yum_install
    install_php_fpm;;
    2)
    start_lnmp;;
    9)
    exit;;
    *)
    echo "choice error"
    esac
done
本脚本基于CentOS7.x平台编写；若有错误请留言；谢谢！