30.2.2. 为 EFI 配置 PXE 引导
- 如果还没有安装 tftp-server,请运行
yum install tftp-server
。 - In the tftp-server config file at
/etc/xinetd.d/tftp
, change thedisable
parameter fromyes
tono
. - Create a directory within
tftpboot
for the EFI boot images, and then copy them from your boot directory. In these examples we will name the subdirectorypxelinux
, but any other name could be used.mkdir /var/lib/tftpboot/pxelinux
cp /boot/efi/EFI/redhat/grub.efi /var/lib/tftpboot/pxelinux/bootx64.efi
- Configure your DHCP server to use the EFI boot images packaged with GRUB. (If you do not have a DHCP server installed, refer to the DHCP Servers chapter in the Red Hat Enterprise Linux Deployment Guide.)
/etc/dhcp/dhcpd.conf
中的示例配置如下:option space PXE; option PXE.mtftp-ip code 1 = ip-address; option PXE.mtftp-cport code 2 = unsigned integer 16; option PXE.mtftp-sport code 3 = unsigned integer 16; option PXE.mtftp-tmout code 4 = unsigned integer 8; option PXE.mtftp-delay code 5 = unsigned integer 8; option arch code 93 = unsigned integer 16; # RFC4578 subnet 10.0.0.0 netmask 255.255.255.0 { option routers 10.0.0.254; range 10.0.0.2 10.0.0.253; class "pxeclients" { match if substring (option vendor-class-identifier, 0, 9) = "PXEClient"; next-server 10.0.0.1; if option arch = 00:06 { filename "pxelinux/bootia32.efi"; } else if option arch = 00:07 { filename "pxelinux/bootx64.efi"; } else { filename "pxelinux/pxelinux.0"; } } host example-ia32 { hardware ethernet XX:YY:ZZ:11:22:33; fixed-address 10.0.0.2; } }
- Add a config file to
/var/lib/tftpboot/pxelinux
. The file should either be namedefidefault
or named after the IP address, converted into hexadecimal format without delimiters. For example, if your machine's IP address is 10.0.0.1, the filename would be0A000001
.A sample config file at/var/lib/tftpboot/pxelinux/efidefault
might look like:default=0 timeout=1 splashimage=(nd)/splash.xpm.gz hiddenmenu title RHEL root (nd) kernel /rawhide-x86_64/vmlinuz initrd /rawhide-x86_64/initrd.img
关于如何指定安装源的步骤,请参考 第 7.1.3 节 “其他引导选项”。 - 将 splash 映像复制到
tftp
根目录下:cp /boot/grub/splash.xpm.gz /var/lib/tftpboot/pxelinux/splash.xpm.gz
- 将引导映像复制到
tftp
根目录下:cp /path/to/x86_64/os/images/pxeboot/{vmlinuz,initrd.img} /var/lib/tftpboot/pxelinux/rhel6/
- Boot the client system, and select the network device as your boot device when prompted.