Linux之pxe

二、操作

[root@localhost ~]#systemctl stop firewalld
[root@localhost ~]#setenforce 0


[root@localhost ~]#yum install dhcp -y

[root@localhost ~]#cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example  /etc/dhcp/dhcpd.conf
cp：是否覆盖"/etc/dhcp/dhcpd.conf"？ y

[root@localhost ~]#cd /etc/dhcp/
[root@localhost dhcp]#ls
dhclient.d  dhclient-exit-hooks.d  dhcpd6.conf  dhcpd.conf  scripts
[root@localhost dhcp]#vim dhcpd.conf 
 32 subnet 192.168.174.0 netmask 255.255.255.0 {
 33   range 192.168.174.10 192.168.174.50;
 34   option routers 192.168.174.2;
 35   next-server 192.168.174.100;
 36   filename "pxelinux.0";
 37 }



[root@localhost dhcp]#systemctl start dhcpd


[root@localhost dhcp]#yum install tftp-server.x86_64 -y

[root@localhost dhcp]#rpm -ql tftp-server
/etc/xinetd.d/tftp
/usr/lib/systemd/system/tftp.service
/usr/lib/systemd/system/tftp.socket
/usr/sbin/in.tftpd
/usr/share/doc/tftp-server-5.2
/usr/share/doc/tftp-server-5.2/CHANGES
/usr/share/doc/tftp-server-5.2/README
/usr/share/doc/tftp-server-5.2/README.security
/usr/share/man/man8/in.tftpd.8.gz
/usr/share/man/man8/tftpd.8.gz
/var/lib/tftpboot


[root@localhost dhcp]#vim /etc/xinetd.d/tftp
# default: off
# description: The tftp server serves files using the trivial file transfer \
#       protocol.  The tftp protocol is often used to boot diskless \
#       workstations, download configuration files to network-aware printers, \
#       and to start the installation process for some operating systems.
service tftp
{
        socket_type             = dgram
        protocol                = udp
        wait                    = yes
        user                    = root
        server                  = /usr/sbin/in.tftpd
        server_args             = -s /var/lib/tftpboot
        disable                 = no
        per_source              = 11
        cps                     = 100 2
        flags                   = IPv4
}


[root@localhost dhcp]#systemctl start tftp


[root@localhost dhcp]#cd /var/lib/tftpboot

[root@localhost tftpboot]#pwd
/var/lib/tftpboot


[root@localhost tftpboot]#mount /dev/sr0 /mnt
mount: /dev/sr0 写保护，将以只读方式挂载
[root@localhost tftpboot]#ls /mnt
CentOS_BuildTag  EFI  EULA  GPL  images  isolinux  LiveOS  Packages  repodata  RPM-GPG-KEY-CentOS-7  RPM-GPG-KEY-CentOS-Testing-7  TRANS.TBL
[root@localhost tftpboot]#cd /mnt/isolinux
[root@localhost isolinux]#ls
boot.cat  boot.msg  grub.conf  initrd.img  isolinux.bin  isolinux.cfg  memtest  splash.png  TRANS.TBL  vesamenu.c32  vmlinuz

[root@localhost /]#cd /var/lib/tftpboot

[root@localhost tftpboot]#cp /mnt/isolinux/vmlinuz  /var/lib/tftpboot
[root@localhost tftpboot]#cp /mnt/isolinux/initrd.img  /var/lib/tftpboot
[root@localhost tftpboot]#ls
initrd.img  vmlinuz



[root@localhost tftpboot]#yum install syslinux -y

[root@localhost tftpboot]#rpm -ql syslinux | grep pxelinux
/usr/share/doc/syslinux-4.05/pxelinux.txt
/usr/share/syslinux/gpxelinux.0
/usr/share/syslinux/gpxelinuxk.0
/usr/share/syslinux/pxelinux.0

[root@localhost tftpboot]#cp /usr/share/syslinux/pxelinux.0  .
[root@localhost tftpboot]#ls
initrd.img  pxelinux.0  vmlinuz


[root@localhost tftpboot]#yum install vsftpd -y


[root@localhost tftpboot]#cd /var/ftp
[root@localhost ftp]#ls
pub
[root@localhost ftp]#mkdir centos7
[root@localhost ftp]#ls
centos7  pub


[root@localhost ftp]#mount /dev/sr0  centos7/
mount: /dev/sr0 写保护，将以只读方式挂载


[root@localhost ftp]#ls centos7/
CentOS_BuildTag  EFI  EULA  GPL  images  isolinux  LiveOS  Packages  repodata  RPM-GPG-KEY-CentOS-7  RPM-GPG-KEY-CentOS-Testing-7  TRANS.TBL

[root@localhost ftp]#cd -
/var/lib/tftpboot


[root@localhost tftpboot]#mkdir pxelinux.cfg
[root@localhost tftpboot]#ls
initrd.img  pxelinux.0  pxelinux.cfg  vmlinuz
[root@localhost tftpboot]#cd pxelinux.cfg
[root@localhost pxelinux.cfg]#ls
[root@localhost pxelinux.cfg]#vim default
default   linux
timeout   600

label linux
  kernel vmlinuz
  append initrd=initrd.img    method=ftp://192.168.174.100/centos7 ks=ftp://192.168.174.100/ks.cfg

label rescue
  kernel vmlinuz
  append text  initrd=initrd.img    method=ftp://192.168.174.100/centos7  ks=ftp://192.168.174.100/ks.cfg

label test
  kernel vmlinuz
  append text  initrd=initrd.img    method=ftp://192.168.174.100/centos7  ks=ftp://192.168.174.100/ks.cfg





[root@localhost pxelinux.cfg]#systemctl start vsftpd


[root@localhost pxelinux.cfg]#yum install system-config-kickstart -y

1. 首先关闭服务器的防火墙和selinux
   

dhcp