详解Rocky Linux 9.2 PXE 服务器

systemctl disable --now firewalld
sed -i 's/^SELINUX=.*$/SELINUX=disabled/' /etc/selinux/config

yum clean all && yum makecache
yum install vsftpd tftp-server dhcp-server syslinux -y

mkdir /var/ftp/pub/{rocky,iso}
mount /dev/cdrom /var/ftp/pub/iso
cp -r /var/ftp/pub/iso /var/ftp/pub/rocky

lang zh_CN
keyboard --xlayouts='us'
timezone Asia/Shanghai --utc
rootpw $2b$10$l/D1kEbmrNhd0Chzv2RUROHtIo8TgfMZl.qUD2NUbAG5dlq/JCGeS --iscrypted
reboot
url --url=ftp://192.168.73.1/pub/rocky
bootloader --append="rhgb quiet crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M"
zerombr
clearpart --all --initlabel
autopart
network --bootproto=dhcp
firstboot --disable
selinux --disabled
%packages
@^graphical-server-environment
@development
%end

sed -i 's/^anonymous_enable=.*$/anonymous_enable=YES/' /etc/vsftpd/vsftpd.conf

systemctl restart vsftpd
systemctl enable vsftpd

cp /usr/share/doc/dhcp-server/dhcpd.conf.example /etc/dhcp/dhcpd.conf

subnet 192.168.73.0 netmask 255.255.255.0 {
  range 192.168.73.100 192.168.73.200;
  option routers 192.168.73.254;
  option broadcast-address 192.168.73.255;
  next-server 192.168.73.1;
  filename "pxelinux.0";
  default-lease-time 600;
  max-lease-time 7200;
}

cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/
cp -r /var/ftp/pub/iso/isolinux/* /var/lib/tftpboot/
mkdir /var/lib/tftpboot/pxelinux.cfg
cp /var/lib/tftpboot/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default

default linux
timeout 0
... 省略 ...
label linux
  menu label ^Install Rocky Linux 9.4
  kernel vmlinuz
  append initrd=initrd.img inst.stage2=ftp://192.168.73.1/pub/rocky inst.ks=ftp://192.168.73.1/pub/rocky/start.cfg quiet
menu end

systemctl restart tftp
systemctl enable tftp