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大数据平台一键安装OS【搭建脚本篇】

发表于：2025-02-02 作者：千家信息网编辑

千家信息网最后更新 2025年02月02日，定制化大数据平台一键安装OS大数据平台一键安装OS系列大数据平台一键安装OS【定制化OS镜像制作】搭建脚本篇脚本命名随便，只要能看懂就行镜像包说明os1.1.iso 用于安装服务端和客户端操作系统hd

千家信息网最后更新 2025年02月02日大数据平台一键安装OS【搭建脚本篇】

定制化大数据平台一键安装OS

大数据平台一键安装OS系列

大数据平台一键安装OS【定制化OS镜像制作】

搭建脚本篇

脚本命名随便，只要能看懂就行

镜像包说明

os1.1.iso 用于安装服务端和客户端操作系统

hdp.iso 用于安装hdp服务

1.架构图：

服务端

客户端

2.原理分析

安装系统-安装本地yum源-安装http源-安装并配置ntp服务-配置秘钥-安装jdk-安装mysql-编译安装ambari平台

3.服务端脚本分析

（1）create_local_yum.sh #安装本地yum 源

#!/bin/bashiso_path=/dev/sr0echo "Iso file path is :" /dev/sr0yum_path=/mnt/vrv/echo 'Creating mount directory :' /mnt/vrv/mkdir -p /mnt/vrv/mount /dev/sr0 /mnt/vrvecho 'Updating /etc/yum.repos.d/ files...'rm -rf /etc/yum.repos.d/*touch /etc/yum.repos.d/vrv.repoecho "[vrv-local]name=vrv-localbaseurl=file:///mnt/vrv/gpgcheck=0enabled=1" >> /etc/yum.repos.d/vrv.repoyum clean all && echo 'yum repository has been updated!'host_ip=`/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`echo "$host_ip os-manager" >>/usr/bin/os/hosts#echo "$host_ip os-manager" >>/etc/hosts

（2）update_master.sh #安装http源，配置主节点，配置ntp

#!/bin/bash#往本机/etc/hosts添加hosts文件内容##############cat hosts  >> /etc/hosts;#echo "添加hosts到/etc/hosts文件完成";host_ip=`/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`suffix_ip=${host_ip%.*}suffix_ip=${suffix_ip%.*}cd /mnt/vrv/Packages/#rpm -ivh python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpmyum -y install mkisofs vim httpd createrepo perl python bind-utils openssh-clients ntp vim wget unzip bind && chkconfig httpd on && mkdir -p /var/www/html/centos && mkdir -p /var/www/html/centos/Packages/Packages && mkdir -p  /var/www/html/ambari/ && mkdir -p /var/www/html/vmp-extend/ && echo "拷贝文件中..." && cp -rf /mnt/vrv/Packages/* /var/www/html/centos/Packages/Packages/ && echo "拷贝文件完成，生成源中..." && createrepo /var/www/html/centos/Packages/Packages/ && rm -rf /etc/yum.repos.d/* && echo "http源拷贝完成，更新yum..."cp -rf /mnt/vrv/system/* /var/www/html/touch /etc/yum.repos.d/vrv-http.repoecho "[vrv-http]name=vrv-httpbaseurl=http://$host_ip/centos/Packages/Packagesgpgcheck=0enabled=1" >> /etc/yum.repos.d/vrv-http.reposervice httpd restart && chkconfig httpd on && yum clean allecho "http 源已经配置完成"echo "开始配置dns..."echo "开始配置ntp..."chkconfig ntpd on #cp ntp.conf /etc/ntp.conf # 写入ntp.conf文件echo "driftfile /var/lib/ntp/driftrestrict default kod nomodify notrap nopeer noqueryrestrict -6 default kod nomodify notrap nopeer noqueryrestrict 127.0.0.1 restrict -6 ::1restrict $suffix_ip.0.0 mask 255.255.0.0 nomodify notraprestrict 0.vrv.pool.ntp.org mask 255.255.255.255 nomodify notrap noqueryrestrict 1.vrv.pool.ntp.org mask 255.255.255.255 nomodify notrap noqueryrestrict 2.vrv.pool.ntp.org mask 255.255.255.255 nomodify notrap noquery#server 210.72.145.44server  127.127.1.0     # local clockfudge   127.127.1.0 stratum 10        includefile /etc/ntp/crypto/pwkeys /etc/ntp/keys" > /etc/ntp.confservice ntpd restart && echo "ntp 配置完成!"ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtimehwclock --systohc --localtime## 配置 hdp yum####################echo "开始配置ambari..."mkdir -p /var/www/html/ambari/mkdir -p /var/www/html/vmp-extend/cp -rf /mnt/vrv/vrv/AMBARI-2.2.1.0/centos6/2.2.1.0-161/*   /var/www/html/ambari/cp -rf /mnt/vrv/vrv/vmp-extend-1.0/*    /var/www/html/vmp-extend/createrepo  /var/www/html/vmp-extend/createrepo /var/www/html/ambari/# 写入文件touch /etc/yum.repos.d/ambari.repotouch /etc/yum.repos.d/vmp-extend.repoecho "[ambari-2.x]name=Ambari 2.xbaseurl=http://$host_ip/ambari/gpgcheck=0enabled=1priority=1" >> /etc/yum.repos.d/ambari.repoecho "#cd /mnt/vrv/vrv/vmp-extend-1.0#chmod 777 vmp-extend-1.0.sh#sh vmp-extend-1.0.sh[vmp-extend-1.0]name=vmp-extend-1.0baseurl=http://$host_ip/vmp-extend/gpgcheck=0enabled=1priority=1" >> /etc/yum.repos.d/vmp-extend.repoyum clean all && echo "ambari 配置完成"# 配置selinux#############echo "开始配置selinux..."sed -i 's/enforcing/disabled/' /etc/selinux/config && echo "selinux 配置完成"# 配置 iptalbes###########echo "开始配置iptables..."service iptables stop && chkconfig iptables off && service ip6tables stop && chkconfig ip6tables off && echo "iptables配置完成"# 关闭 THP################echo "关闭THP..."echo "if test -f /sys/kernel/mm/redhat_transparent_hugepage/defrag;then echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag fi" >> /etc/rc.local && echo "闭THP完成"echo "更新主节点完成"

（3）generate_ssh.sh #配置ssh秘钥，安装jdk和mysql

#!/bin/bashif [ $# -lt 2 ]; then  echo " HELP   generate_ssh.sh --generate ssh key for login without typing password;  this script should run on the namenode machine and user should edit the ip-list file    USAGE: ./generate_ssh.sh user pasaword    EXAMPLE: ./generate_ssh root adminHELP  "        exit 0  fi yum -y install expect && echo "expect 安装完成"user=$1ip=$HOSTNAMEpass=$2rm -rf /root/.ssh/*echo "##################################"echo " generate the rsa public key on $HOSTNAME ..."echo "##################################"expect -c "      set timeout -1      spawn ssh-keygen -t rsa    expect \"*id_rsa*\"     send \"\r\"    expect \"*passphrase*\"     send \"\r\"    expect \"*again*\"    send \"\r\"  expect eof  " cat /usr/bin/os/hosts | while read linedo#提取ip        ip_i=${line% *}        full_hostname_i=${ip_i##* }        ip_i=${ip_i% *}        hostname_i=${line##* }        expect -c "        set timeout -1        spawn ssh-copy-id -i /root/.ssh/id_rsa.pub $hostname_i        expect \"yes/no\"        send \"yes\r\"        expect \"password:\"        send \"$pass\r\"        expect \"#\"expect eof"doneecho "ssh配置完成"#安装jdkecho " jdk 安装中"rpm -e java-1.6.0-openjdk-1.6.0.38-1.13.10.4.el6.x86_64rpm -e jdk-1.7.0_80-fcs.x86_64rpm -e java-1.7.0-openjdk-1.7.0.99-2.6.5.1.el6.x86_64cd /mnt/vrv/Packages/rpm -ivh jdk-7u80-linux-x64.rpmecho " jdk 安装完成"#安装mysqlecho "安装mysql中"cd /mnt/vrv/Packages/rpm -e mysql-5.1.73-7.el6.x86_64.rpm --nodepsrpm -e --nodeps mysql-libs-5.1.73-7.el6.x86_64.rpmyum remove -y mysql-libsrm -fr /usr/lib/mysqlrm -fr /usr/include/mysqlrm -f /etc/my.cnfrm -fr /var/lib/mysqlrpm -ivh MySQL-server-5.5.50-1.linux2.6.x86_64.rpmrpm -ivh MySQL-client-5.5.50-1.linux2.6.x86_64.rpmecho never > /sys/kernel/mm/redhat_transparent_hugepage/enabledservice mysql restartservice httpd restartecho "安装mysql完成"echo "初始化mysql"mysqladmin -uroot password 123456.echo "初始化mysql完成"touch /etc/my.cnfecho "[client]default-character-set=utf8[mysqld]character_set_server=utf8lower_case_table_names=1" >> /etc/my.cnfservice mysql restart

（4）mysql_start.sh #主要用来配置mysql配置

echo "安装ambari中"rpm -e vmp-i18n-2.1.1.0yum -y install ambari-serverecho "安装ambari完成"mysql -uroot -pvrv123456. -e "grant all on *.* to root@'%' identified by 'vrv123456.';flush privileges; CREATE USER 'ambari'@'%' IDENTIFIED BY 'ambari';grant all privileges on *.* to 'ambari'@'%' identified by 'ambari' with grant option; CREATE USER 'ambari'@'localhost' IDENTIFIED BY 'ambari';grant all privileges on *.* to 'ambari'@'localhost' identified by 'ambari' with grant option;CREATE USER 'ambari'@'os-manager' IDENTIFIED BY 'ambari'; grant all privileges on *.* to 'ambari'@'os-manager' identified by 'ambari' with grant option; flush privileges; CREATE USER 'hive'@'%' IDENTIFIED BY 'hive';grant all privileges on *.* to 'hive'@'%' identified by 'hive' with grant option; CREATE USER 'hive'@'localhost' IDENTIFIED BY 'hive';grant all privileges on *.* to 'hive'@'localhost' identified by 'hive' with grant option;CREATE USER 'hive'@'os-manager' IDENTIFIED BY 'hive';grant all privileges on *.* to 'hive'@'os-manager' identified by 'hive' with grant option; flush privileges;CREATE USER 'oozie'@'%' IDENTIFIED BY 'oozie';GRANT ALL PRIVILEGES ON *.* TO 'oozie'@'%';FLUSH PRIVILEGES;create database ambari default charset='UTF8';create database hive default charset='UTF8';create database oozie default charset='UTF8';quit" mysql -uroot -p123456. -e "use ambari;SOURCE /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql;quit"

（5）jiaohu.sh #自动配置ambari（需要提前设置好）

#!/bin/bash#修改参数echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabledsysctl vm.swappiness=10#安装mysql驱动echo "安装mysql驱动中"#yum install mysql-connector-java -ymkdir -p /usr/share/java/cp -rf /mnt/vrv/vrv/vmp-extend-1.0/misc/mysql-connector-java-5.1.36.jar /usr/share/java/mv /usr/share/java/mysql-connector-java-5.1.36.jar  /usr/share/java/mysql-connector-java.jar#cp -rf /mnt/vrv/vmp-extend-1.0/misc/mysql-connector-java-5.1.36.jar /usr/share/java/cp -rf /usr/share/java/mysql-connector-java.jar /usr/lib/ambari-server/echo "安装mysql驱动完成"ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/share/java/mysql-connector-java.jarexpect -c "  spawn ambari-server setupexpect \"*continue*\" send \"y\r\"expect \"*Customize*\" send \"y\r\"expect \"*Enter*\"send \"root\r\"  expect \"*JDK*\"send \"y\r\" expect \"*choice*\"send \"3\r\" expect \"*JAVA*\"send \"\/usr\/java\/default\r\" expect \"*configuration*\"send \"y\r\" expect \"*choice*\"send \"3\r\" expect \"*Hostname*\"send \"os-manager\r\" expect \"*Port*\"send \"3306\r\" expect \"*Database*\"send \"ambari\r\" expect \"*Username*\"send \"ambari\r\" expect \"*Database*\"send \"ambari\r\" expect \"*Re-enter*\"send \"ambari\r\" expect \"*properties*\"send \"y\r\"        expect eof  " cd /mnt/vrv/vrv/vmp-extend-1.0/sh vmp-extend-1.0.shecho "api.csrfPrevention.enabled=false" >>/etc/ambari-server/conf/ambari.propertiesambari-server startyum install dos2* -ydos2unix /usr/bin/os/*.shecho "安装server端完成"

到这一步服务端已经安装完成。

4.客户端脚本分析

（1）create_local_yum.sh #安装本地yum 源

#!/bin/bashiso_path=/dev/sr0echo "Iso file path is :" /dev/sr0yum_path=/mnt/vrv/echo 'Creating mount directory :' /mnt/vrv/mkdir -p /mnt/vrv/mount /dev/sr0 /mnt/vrvecho 'Updating /etc/yum.repos.d/ files...'rm -rf /etc/yum.repos.d/*touch /etc/yum.repos.d/vrv.repoecho "[vrv-local]name=vrv-localbaseurl=file:///mnt/vrv/gpgcheck=0enabled=1" >> /etc/yum.repos.d/vrv.repoyum clean all && echo 'yum repository has been updated!'host_ip=`/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`echo "$host_ip os-manager" >>/usr/bin/os/hosts#echo "$host_ip os-manager" >>/etc/hosts

（2）ntp.sh #安装ntp服务，选择安装mysql

#!/bin/bash#往本机/etc/hosts添加hosts文件内容#############echo "添加hosts到/etc/hosts文件完成";host_ip=`/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`suffix_ip=${host_ip%.*}suffix_ip=${suffix_ip%.*}yum -y install mkisofs vim httpd python createrepo perl bind-utils openssh-clients ntp vim wget unzip bindyum clean allecho "开始配置ntp..."chkconfig ntpd on echo "driftfile /var/lib/ntp/driftrestrict default kod nomodify notrap nopeer noqueryrestrict -6 default kod nomodify notrap nopeer noqueryrestrict 127.0.0.1 restrict -6 ::1restrict $suffix_ip.0.0 mask 255.255.0.0 nomodify notraprestrict 0.vrv.pool.ntp.org mask 255.255.255.255 nomodify notrap noqueryrestrict 1.vrv.pool.ntp.org mask 255.255.255.255 nomodify notrap noqueryrestrict 2.vrv.pool.ntp.org mask 255.255.255.255 nomodify notrap noquery#server 210.72.145.44#server 192.168.2.11    # local clockfudge   127.127.1.0 stratum 10        includefile /etc/ntp/crypto/pwkeys /etc/ntp/keys" > /etc/ntp.confservice ntpd restart && echo "ntp 配置完成!"ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtimehwclock --systohc --localtime# 配置selinux#############echo "开始配置selinux..."sed -i 's/enforcing/disabled/' /etc/selinux/config && echo "selinux 配置完成"# 配置 iptalbes###########echo "开始配置iptables..."service iptables stop && chkconfig iptables off && service ip6tables stop && chkconfig ip6tables off && echo "iptables配置完成"# 关闭 THP################echo "关闭THP..."echo "if test -f /sys/kernel/mm/redhat_transparent_hugepage/defrag;then echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag fi" >> /etc/rc.local && echo "闭THP完成"echo "更新节点完成"#安装jdkecho " jdk 安装中"rpm -e java-1.6.0-openjdk-1.6.0.38-1.13.10.4.el6.x86_64rpm -e jdk-1.7.0_80-fcs.x86_64rpm -e java-1.7.0-openjdk-1.7.0.99-2.6.5.1.el6.x86_64cd /mnt/vrv/Packages/rpm -ivh jdk-7u80-linux-x64.rpmecho " jdk 安装完成"read -p "install mysql，Please insert y or n ": nameif [ $name = "n" ]then  echo "不需要安装mysql"elif [ $name = "y" ]then#安装mysqlecho "安装mysql中"cd /mnt/vrv/Packages/rpm -e mysql-5.1.73-7.el6.x86_64.rpm --nodepsrpm -e --nodeps mysql-libs-5.1.73-7.el6.x86_64.rpmyum remove -y mysql-libsrm -fr /usr/lib/mysqlrm -fr /usr/include/mysqlrm -f /etc/my.cnfrm -fr /var/lib/mysqlrpm -ivh MySQL-server-5.5.50-1.linux2.6.x86_64.rpmrpm -ivh MySQL-client-5.5.50-1.linux2.6.x86_64.rpmecho never > /sys/kernel/mm/redhat_transparent_hugepage/enabledservice mysql startecho "安装mysql完成"echo "初始化mysql"mysqladmin -uroot password vrv123456.echo "初始化mysql完成"echo "增加客户端完成"touch /etc/my.cnfecho "[client]default-character-set=utf8[mysqld]character_set_server=utf8lower_case_table_names=1" >> /etc/my.cnfservice mysql restartfi

5.一键命令脚本分析：

#!/bin/shecho "os 1.1  install script"echo "1.安装os server 2.加固系统 3.修改主机ip地址 4.修改主机名 5.修改网络 6.修改ambari主机地址 7.修改root密码 8.重启网络服务 9.退出"echo "++++++++自动修改ip和主机名等相关信息+++++++++"echo "ETHCONF=/etc/sysconfig/network-scripts/ifcfg-eth0"echo "HOSTS=/etc/hosts"echo "NETWORK=/etc/sysconfig/network"echo "DIR=/data/backup/`date +%Y%m%d`" echo "NETMASK=255.255.255.0"echo "安装好mysql默认密码为vrv123456."echo "+++++++++-------------------------+++++++++++"#Define Path 定义变量，可以根据实际情况修改  ETHCONF=/etc/sysconfig/network-scripts/ifcfg-eth0 HOSTS=/etc/hosts NETWORK=/etc/sysconfig/network DIR=/data/backup/`date +%Y%m%d`  NETMASK=255.255.255.0   echo "================================================"echo#定义change_ip函数 function Change_ip () { #判断备份目录是否存在，中括号前后都有空格，！叹号在shell表示相反的意思# if [ ! -d $DIR ];then   mkdir -p $DIR   fi   echo "Now Change ip address ,Doing Backup Interface eth0" cp $ETHCONF $DIR    grep "dhcp" $ETHCONF #如下0用来判断上一次操作的状态，为0，表示上一次操作状态正确或者成功# if   [ $? -eq 0 ];then#read -p 交互输入变量IPADDR，注冒号后有空格，sed -i 修改配置文件#  read -p "Please insert ip Address:" IPADDR  read -p "Please insert gatway Address:" gateway sed -i 's/dhcp/static/g' $ETHCONF #awk -F. 意思是以.号为分隔域，打印前三列#  echo -e "IPADDR=$IPADDR\nNETMASK=$NETMASK\nGATEWAY=`echo $gateway|awk -F. '{print $1"."$2"."$3"."$4}'`" >>$ETHCONF  echo "This IP address Change success !"  else   echo -n "This $ETHCONF is static exist ,please ensure Change Yes or NO":  read i   fi  if [ "$i" == "y" -o "$i" == "yes" ];then read -p "Please insert ip Address:" IPADDR  read -p "Please insert gateway Address:" gateway count=(`echo |awk -F. '{print $1,$2,$3,$4}'`)  #定义数组， 0代表获取变量值总个数#  A=${#count[@]}  #while条件语句判断，个数是否正确，不正确循环提示输入，也可以用[0-9]来判断ip# while   [ "$A" -ne "4" ]   do   read -p "Please re Inster ip Address,example 192.168.0.11 ip": IPADDR  count=(`echo $IPADDR|awk -F. '{print $1,$2,$3,$4}'`)  A=${#count[@]}  done #sed -e 可以连续修改多个参数#  sed -i -e 's/^IPADDR/#IPADDR/g' -e 's/^NETMASK/#NETMASK/g' -e 's/^GATEWAY/#GATEWAY/g' $ETHCONF  #echo -e \n为连续追加内容，并自动换行#  echo -e "IPADDR=$IPADDR\nNETMASK=$NETMASK\nGATEWAY=`echo $gateway|awk -F. '{print $1"."$2"."$3"."$4}'`" >>$ETHCONF  echo "This IP address Change success !"else echo "This $ETHCONF static exist,please exit" exit $?   fi  }   #定义hosts函数 ############function hosts############## function Change_hosts () {   if   [ ! -d $DIR ];then mkdir -p $DIR   fi   cp $HOSTS $DIR  read -p "Please insert ip address": IPADDR  read -p "Please insert ip hostname": hostname host=`echo $IPADDR|sed 's/\././g'`  cat $HOSTS |grep 127.0.0.1 |grep "$host"   if [ $? -ne 0 ];then# sed -i "s/127.0.0.1/127.0.0.1 $host/g" $HOSTS echo "$host $hostname" >> /etc/hosts echo "This hosts change success "  else echo "This $host IS Exist .........."  fi  }  ###########fuction network############### #定义network函数 function Change_network () {  if   [ ! -d $DIR ];then mkdir -p $DIR    fi cp $NETWORK $DIR  read -p "Please insert host name": IPADDR    host=`echo $IPADDR|sed 's/\././g'`  grep "$host" $NETWORK    if [ $? -ne 0 ];then sed -i "s/^HOSTNAME/#HOSTNAME/g" $NETWORK  echo "HOSTNAME=$IPADDR" >>$NETWORK   else echo "This $host IS Exist .........."   fi  } function Change_rootpassword () {read -p "Please insert you root password": passwordecho $password | passwd --stdin root}function restart_server () {echo "restart network server ...."service network restartifup eth0}function exit_quit () {echo "quit......"break}function install_os_server () {cd /usr/bin/os/sh create_local_yum.sh && sh update_master.sh && ./generate_ssh.sh root root && sh mysql_start.sh && sh jiaohu.sh >> /usr/bin/os/install.os_server.log}function jiagu () {cd /usr/bin/os/sh jiagu.sh >>/usr/bin/os/install.jiagu.log}function Change_ambari_host () {echo "正在备份ambari.properties"cp -rf /etc/ambari-server/conf/ambari.properties  /etc/ambari-server/conf/ambari.properties.bak read -p "Please insert ip oldhostname(默认为os-manager)": oldhostnameread -p "Please insert ip newhostname": newhostnamesed  -i 's/'$oldhostname'/'$newhostname'/' /etc/ambari-server/conf/ambari.properties echo "已修改主机名，正在重启服务"service ambari-server restartecho "重启ambari完成，访问：http://$newhostname:8080"}function add_key () {cd /usr/bin/os/sh miyao.sh}#PS3一般为菜单提示信息#  PS3="Please Select Menu": #select为菜单选择命令，格式为select $var in ..command.. do .... done  select i in "install_os_server" "jiagu" "Change_ip" "Change_hosts" "Change_network" "Change_ambari_host" "Change_rootpassword" "restart_server" "add_key" "exit_quit"  do#case 方式，一般用于多种条件下的判断 case $i in  install_os_server )   install_os_server ;;  jiagu )   jiagu ;;  Change_ip )   Change_ip ;;   Change_hosts )   Change_hosts ;;   Change_network )   Change_network ;;   Change_ambari_host )   Change_ambari_host;;   Change_rootpassword )   Change_rootpassword;;   restart_server )   restart_server;;   add_key )   add_key;;   exit_quit )   exit_quit;;   *)   echo  echo "Please Insert $0: install_os_server(1)|jiagu(2)|Change_ip(3)|Change_hosts(4)|Change_network(5)|Change_ambari_host(6)|Change_rootpassword(7)|restart_network_server(8)|add_key(9)|quit(10)|"  echo "温馨提示：请按8重启网络服务"  break;; esac done

6.安装操作系统：

首先在服务器启动时，按DEL进入boot选项选光驱启动。

挂载镜像os1.1.iso开始进行安装

选择menu vasp server install new system，进行服务端安装。

7.操作系统硬盘选择

选择一块硬盘进行系统安装