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一键部署PXe环境

安装并启用TFTP服务

yum -y install tftp-server xinetd  sed -i '10s/yes/no/' /etc/xinetd.d/tftp  sed -i '14s/yes/no/' /etc/xinetd.d/tftp  systemctl start tftp  systemctl enable tftp  systemctl start xinetd  systemctl enable xinetd

安装并启用DHCP服务

yum -y install dhcp expect  cp/usr/bin/expect  
   
      spawnp cp usr share doc dhcp-4.2.5 dhcpd.conf.example etc dhcp dhcpd.conf  expect "是否覆盖" { send "y\n" }  
    
       cat > /etc/dhcp/dhcpd.conf 
     
        ddns-update-style none;  next-server 192.168.133.13;  filename "pxelinux.0";  subnet 192.168.133.0 netmask 255.255.255.0 {    range 192.168.133.100 192.168.133.200;    option routers 192.168.133.13;  } 
      
         systemctl start dhcpd  systemctl enable dhcpd
      
     
    
   

准备Linux内核和初始化镜像文件

cd /mnt/images/pxeboot  cp vmlinuz /var/lib/tftpboot/  cp initrd.img /var/lib/tftpboot/

安装并配置PXE引导程序

yum -y install syslinux  cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/

安装FTP服务并准备CentOS 7安装源

yum -y install vsftpd  mkdir /var/ftp/centos7  cp -rf /mnt/* /var/ftp/centos7/  systemctl start vsftp  systemctl enable vsftpd

配置启动菜单文件

mkdir /var/lib/tftpboot/pxelinux.cfg  cat > /var/lib/tftpboot/pxelinux.cfg/default 
     
    
   

通过以上步骤，您可以快速配置并部署PXe环境。

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