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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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