使用Dnsmasq 部署GPXE 安装 Centos7

  • 2019-04-22
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标签:perm   安装 centos   ash   init   ace   service   local   eth1   centos   

实验环境 1台Centos7.6的虚拟机 ip: 192.168.148.17/24 配置PXE环境;新建一台虚拟机作为测试机

本次实验采用 dnsmasq作为dhcp、tftp服务器; vsftpd 提供安装源
# 关闭防火墙 [[email protected] ~]# systemctl stop firewalld [[email protected] ~]# systemctl disable firewalld #syslinux 提供pxe启动的引导文件 [[email protected] ~]# yum -y install dnsmasq vsftpd syslinux [[email protected] ~]# mkdir /var/ftp/pub/centos7 [[email protected] ~]# systemctl enable dnsmasq vsftpd  [[email protected] ~]# systemctl start  vsftpd  [[email protected] ~]# mkdir /var/ftp/pub/centos7 [[email protected] ~]# mount /dev/sr0 /var/ftp/pub/centos7/ # 创建tftp服务目录 [[email protected] ~]# mkdir /var/lib/dnsmasq/tftpboot/ [[email protected] ~]# cd /var/lib/dnsmasq/tftpboot/ [[email protected] tftpboot]# cp /usr/share/syslinux/{menu.c32,gpxelinux.0} . [[email protected] tftpboot]# mkdir pxelinux.cfg [[email protected] tftpboot]# cp /var/ftp/pub/centos7/isolinux/isolinux.cfg pxelinux.cfg/default # 编辑default文件最终内容如下 Gpxe除了支持传统的tftp还支持ftp,http方式下载文件 default menu.c32 timeout 600 menu title CentOS 7  label linux   menu label ^Install CentOS 7   kernel ftp://192.168.148.17/pub/centos7/isolinux/vmlinuz   append initrd=ftp://192.168.148.17/pub/centos7/isolinux/initrd.img  inst.repo=ftp://192.168.148.17/pub/centos7/  label local   menu label Boot from ^local drive   menu default   localboot 0xffff  # 在/etc/dnsmasq.d/ 创建pxe.conf  ;指定 dhcp地址池的范围,启用tftp功能,指定tftp服务器地址和引导文件;文件内容如下: [[email protected] ~]# cat /etc/dnsmasq.d/pxe.conf  dhcp-range=192.168.148.50,192.168.148.100,255.255.255.0,12h enable-tftp dhcp-boot=/var/lib/dnsmasq/tftpboot/gpxelinux.0,192.168.148.17  [[email protected] ~]# systemctl start dnsmasq # 检测ipv4 监听的udp端口 [[email protected] ~]# ss -4  -unl State      Recv-Q Send-Q                      Local Address:Port                                     Peer Address:Port               UNCONN     0      0                                       *:53                                                  *:*                   UNCONN     0      0                                       *:67                                                  *:*                           UNCONN     0      0                                       *:69                                                  *:*   # 所需端口都正常开启 # 如果需要开启防火墙 需要添加对应的服务 [[email protected] ~]# systemctl enable firewalld [[email protected] ~]# systemctl start firewalld [[email protected] ~]# firewall-cmd --list-all public (active)   target: default   icmp-block-inversion: no   interfaces: eth0   sources:    services: ssh dhcpv6-client   ports:    protocols:   [[email protected] ~]#  firewall-cmd  --permanent --add-service=ftp [[email protected] ~]#  firewall-cmd  --permanent --add-service=tftp [[email protected] ~]#  firewall-cmd  --permanent --add-service=dhcp [[email protected] ~]# firewall-cmd --reload [[email protected] ~]# firewall-cmd --list-all public (active)   target: default   icmp-block-inversion: no   interfaces: eth0 eth1   sources:    services: ssh dhcpv6-client dhcp ftp tftp 

启动另一台新的虚拟默认从网络启动进行系统安装

使用Dnsmasq 部署GPXE 安装 Centos7

使用Dnsmasq 部署GPXE 安装 Centos7

标签:perm   安装 centos   ash   init   ace   service   local   eth1   centos   

原文地址:https://blog.51cto.com/1012682/2382324

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