【安装教程】麒麟系统PXE安装Ubuntu之安装过程02

[root@pdsyw1024 ~]# tar -xzvf pxe-packages.tar.gz[root@pdsyw1024 ~]# ls[root@pdsyw1024 ~]# yum localinstall -y *.rpm

[root@pdsyw1024 ~]# rpm -q dhcp tftp-server xinetd syslinux nfs-utils

[root@pdsyw1024 ~]# systemctl start xinetd[root@pdsyw1024 ~]# systemctl enable xinetd[root@pdsyw1024 ~]# systemctl start nfs[root@pdsyw1024 ~]# systemctl enable nfs

[root@pdsyw1024 ~]# mkdir -p /var/nfs/ubuntu[root@pdsyw1024 ~]# ls -l ubuntu-24.04.1-desktop-amd64.iso[root@pdsyw1024 ~]# mount -o loop ubuntu-24.04.1-desktop-amd64.iso /mnt/[root@pdsyw1024 ~]# cp -ra /mnt/. /var/nfs/ubuntu[root@pdsyw1024 ~]# umount /mnt

[root@pdsyw1024 ~]# vim /etc/exports[root@pdsyw1024 ~]# cat /etc/exports/var/nfs/ubuntu 192.168.100.0/24(ro,sync,no_root_squash,no_subtree_check)

[root@pdsyw1024 ~]# exportfs -r

[root@pdsyw1024 ~]# systemctl restart nfs[root@pdsyw1024 ~]# showmount -e 192.168.100.2

[root@pdsyw1024 ~]# vim /etc/xinetd.d/tftp[root@pdsyw1024 ~]# cat /etc/xinetd.d/tftpservice tftp{   socket_type     = dgram   protocol        = udp   wait            = yes   user            = root   server          = /usr/sbin/in.tftpd   server_args     = -s /var/lib/tftpboot   disable         = no}

[root@pdsyw1024 ~]# mkdir -p /var/lib/tftpboot/ubuntu[root@pdsyw1024 ~]# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot[root@pdsyw1024 ~]# cp /usr/share/syslinux/menu.c32 /var/lib/tftpboot[root@pdsyw1024 ~]# cp /usr/share/syslinux/memdisk /var/lib/tftpboot[root@pdsyw1024 ~]# cp /usr/share/syslinux/ldlinux.c32 /var/lib/tftpboot[root@pdsyw1024 ~]# cp /usr/share/syslinux/libutil.c32 /var/lib/tftpboot[root@pdsyw1024 ~]# ll /var/lib/tftpboot

[root@pdsyw1024 ~]# cp /var/nfs/ubuntu/casper/vmlinuz /var/lib/tftpboot/ubuntu/[root@pdsyw1024 ~]# cp /var/nfs/ubuntu/casper/initrd /var/lib/tftpboot/ubuntu/[root@pdsyw1024 ~]# ll /var/lib/tftpboot/ubuntu/[root@pdsyw1024 ~]# chmod 755 -R /var/lib/tftpboot/[root@pdsyw1024 ~]# ll /var/lib/tftpboot/ubuntu/

[root@pdsyw1024 ~]# systemctl restart xinetd[root@pdsyw1024 ~]# systemctl status xinetd

[root@pdsyw1024 ~]# vim /etc/dhcp/dhcpd.conf[root@pdsyw1024 ~]# cat /etc/dhcp/dhcpd.confsubnet 192.168.100.0 netmask 255.255.255.0 {   range 192.168.100.100 192.168.100.200;   option routers 192.168.100.2;   option broadcast-address 192.168.100.255;   option domain-name-servers 192.168.100.2;   default-lease-time 600;   max-lease-time 7200;   next-server 192.168.100.2;  # PXE 服务器地址   filename "pxelinux.0";      # 引导文件}

[root@pdsyw1024 ~]# systemctl start dhcpd[root@pdsyw1024 ~]# systemctl enable dhcpd[root@pdsyw1024 ~]# systemctl status dhcpd

[root@pdsyw1024 ~]# mkdir -p /var/lib/tftpboot/pxelinux.cfg[root@pdsyw1024 ~]# vim /var/lib/tftpboot/pxelinux.cfg/default[root@pdsyw1024 ~]# cat /var/lib/tftpboot/pxelinux.cfg/defaultDEFAULT ubuntuPROMPT 0TIMEOUT 50

LABEL ubuntu   kernel ubuntu/vmlinuz   append initrd=ubuntu/initrd boot=casper netboot=nfs nfsroot=192.168.100.2:/var/nfs/ubuntu ip=dhcp

[root@pdsyw1024 ~]# firewall-cmd --add-port=67/udp --permanent[root@pdsyw1024 ~]# firewall-cmd --add-port=69/udp --permanent[root@pdsyw1024 ~]# firewall-cmd --add-port=2049/tcp --permanent[root@pdsyw1024 ~]# firewall-cmd --add-port=2049/udp --permanent[root@pdsyw1024 ~]# firewall-cmd --add-port=111/tcp --permanent[root@pdsyw1024 ~]# firewall-cmd --add-port=111/udp --permanent[root@pdsyw1024 ~]# firewall-cmd --add-service=http --permanent[root@pdsyw1024 ~]# firewall-cmd --add-service=nfs --permanent[root@pdsyw1024 ~]# firewall-cmd --add-service=mountd --permanent[root@pdsyw1024 ~]# firewall-cmd --add-service=rpc-bind --permanent[root@pdsyw1024 ~]# firewall-cmd --reload

[root@pdsyw1024 ~]# systemctl restart xinetd.service[root@pdsyw1024 ~]# systemctl restart dhcpd[root@pdsyw1024 ~]# systemctl restart nfs-server.service