构建DHCP服务

--------------------DHCP 配置-------------------# yum install dhcp -y# vim /etc/dhcp/dhcpd.conf# cp /usr/share/doc/dhcp*/dhcpd.conf.sample /etc/dhcp/dhcpd.conf# vim /etc/dhcp/dhcpd.conf# dhcpd.confdefault-lease-time 600;max-lease-time 7200;# A slightly different configuration for an internal subnet.subnet 192.168.56.0 netmask 255.255.255.0 {range 192.168.56.10 192.168.56.20;option subnet-mask 255.255.255.0;option routers 192.168.56.200;next-server 192.168.56.200;filename "pxelinux.0";}# dhcpd //测试DHCP# /etc/init.d/dhcpd restart--------------------编译引导文件和启动菜单----# mkdir /var/lib/tftpboot/pxelinux.cfg# cp /media/cdrom/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default# vim /var/lib/tftpboot/pxelinux.cfg/defaultdefault auto //默认安装状态prompt 1 //由用户自己控制label auto //图形界面kernel vmlinuzappend initrd=initrd.img devfs=nomount ramdisk_size=8192label linux text //文本界面kernel vmlinuzappend text initrd=initrd.img devfs=nomount ramdisk_size=8192label linux rescue //救援模式kernel vmlinuzappend rescue initrd=initrd.img devfs=nomount ramdisk_size=8192# /etc/init.d/dhcpd restart# /etc/init.d/vsftpd restart# /etc/init.d/xinetd restart-------------------客户端测试客户端从网卡引导********************无人值守kickstart# yum install system-config-kickstart -y //安装图形应答文件。# vim anaconda-ks.cfg //安装本机时所创建的应答文件# vim /etc/passwd修改ftp用户家目录为：/var/ftp# mkdir /var/ftp/rhel6# cp -rf /media/cdrom/* /var/ftp/rhel6/# system-config-kickstart# cp ks.cfg /var/ftp/rhel6/# vim /var/lib/tftpboot/pxelinux.cfg/defaultdefault autoprompt 0 //不等待用户应答label autokernel vmlinuzappend ks=ftp://192.168.56.200/rhel6/ks.cfg initrd=initrd.img devfs=nomount ramdisk_size=8192# /etc/init.d/dhcpd restart# /etc/init.d/vsftpd restart# /etc/init.d/xinetd restart客户端安装：装机卡在 unsupported hardware detected 页面在ks.cfg 增加一行：unsupported_hardware-------------------客户端测试客户端从网卡引导