pxe远程装机
1：主机 yum install dhcp
vim /etc/dhcp/dhcpd.conf
allow booting;
allow bootp;
ddns-update-style interim;
ignore client-updates;
subnet 192.168.10.0 netmask 255.255.255.0 {
option subnet-mask 255.255.255.0;
option domain-name-servers 192.168.10.10;
range dynamic-bootp 192.168.10.100 192.168.10.200;
default-lease-time 21600;
max-lease-time 43200;
next-server 192.168.10.10;
filename "pxelinux.0";
}
systemctl restart dhcpd.service
systemctl enable dhcpd.service
2：主机 yum install tftp-server
yum install xinetd
vim /etc/xinetd.d/tftp
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
}
systemctl restart xinetd.service
firewall-cmd --permanent --add-port=69/udp
firewall-cmd --reload
3：主机 yum install syslinux
cd /var/lib/tftpboot
cp /usr/share/syslinux/pxelinux.0 .
cp /media/cdrom/images/pxeboot/initrd.img .
cp /media/cdrom/images/pxeboot/vmlinuz .
cp /media/cdrom/isolinux/vesamenu.c32 .
cp /media/cdrom/isolinux/boot.msg .
mkdir pxelinux.cfg
cp /media/cdrom/isolinux/isolinux.cfg pxelinux.cfg/default
vim pxelinux.cfg/default
default linux
timeout 600
display boot.msg
# Clear the screen when exiting the menu, instead of leaving the menu displayed.
# For vesamenu, this means the graphical background is still displayed without
# the menu itself for as long as the screen remains in graphics mode.
menu clear
menu background splash.png
menu title CentOS 7
menu vshift 8
menu rows 18
menu margin 8
#menu hidden
menu helpmsgrow 15
menu tabmsgrow 13
# Border Area
menu color border * #00000000 #00000000 none
# Selected item
menu color sel 0 #ffffffff #00000000 none
# Title bar
menu color title 0 #ff7ba3d0 #00000000 none
# Press [Tab] message
menu color tabmsg 0 #ff3a6496 #00000000 none
# Unselected menu item
menu color unsel 0 #84b8ffff #00000000 none
# Selected hotkey
menu color hotsel 0 #84b8ffff #00000000 none
# Unselected hotkey
menu color hotkey 0 #ffffffff #00000000 none
# Help text
menu color help 0 #ffffffff #00000000 none
# A scrollbar of some type? Not sure.
menu color scrollbar 0 #ffffffff #ff355594 none
# Timeout msg
menu color timeout 0 #ffffffff #00000000 none
menu color timeout_msg 0 #ffffffff #00000000 none
# Command prompt text
menu color cmdmark 0 #84b8ffff #00000000 none
menu color cmdline 0 #ffffffff #00000000 none
# Do not display the actual menu unless the user presses a key. All that is displayed is a timeout message.
menu tabmsg Press Tab for full configuration options on menu items.
menu separator # insert an empty line
menu separator # insert an empty line
label linux
menu label ^Install CentOS 7
kernel vmlinuz
append initrd=initrd.img inst.stage2=ftp://192.168.10.10 ks=ftp://192.168.10.10/pub/ks.cfg
label check
menu label Test this ^media & install CentOS 7
menu default
kernel vmlinuz
append initrd=initrd.img inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rd.live.check quiet
menu separator # insert an empty line
# utilities submenu
menu begin ^Troubleshooting
menu title Troubleshooting
label vesa
menu indent count 5
menu label Install CentOS 7 in ^basic graphics mode
text help
Try this option out if you're having trouble installing
CentOS 7.
endtext
kernel vmlinuz
append initrd=initrd.img inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 xdriver=vesa nomodeset quiet
label rescue
menu indent count 5
menu label ^Rescue a CentOS system
text help
If the system will not boot, this lets you access files
and edit config files to try to get it booting again.
endtext
kernel vmlinuz
append initrd=initrd.img inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rescue quiet
label memtest
menu label Run a ^memory test
text help
If your system is having issues, a problem with your
system's memory may be the cause. Use this utility to
see if the memory is working correctly.
endtext
kernel memtest
menu separator # insert an empty line
label local
menu label Boot from ^local drive
localboot 0xffff
menu separator # insert an empty line
menu separator # insert an empty line
label returntomain
menu label Return to ^main menu
menu exit
menu end
4：主机 yum install vsftpd
systemctl start vsftpd
systemctl enable vsftpd
mkdir /var/ftp
cp -r /media/cdrom/* /var/ftp
firewall-cmd --permanent --add-service=ftp
firewall-cmd --reload
setsebool -P ftpd_connect_all_unreserved=on
5：主机 mkdir /var/ftp/pub
cp ~/anaconda-ks.cfg /var/ftp/pub/ks.cfg
chmod +r /var/ftp/pub/ks.cfg
vim /var/ftp/pub/ks.cfg
#version=DEVEL
# System authorization information
auth --enableshadow --passalgo=sha512
# Use network installation
url --url="ftp://192.168.10.10"
# Use text mode install
text
# Run the Setup Agent on first boot
firstboot --enable
ignoredisk --only-use=sda
# Keyboard layouts
keyboard --vckeymap=cn --xlayouts='cn'
# System language
lang zh_CN.UTF-8
# Network information
network --bootproto=dhcp --device=ens32 --ipv6=auto --no-activate
network --bootproto=dhcp --hostname=localhost.localdomain
# Reboot after installation
reboot
# Root password
rootpw --iscrypted $1$zSb4zHfv$YkSNEfHrZhbbDwL2LGTwJ.
# System services
services --enabled="chronyd"
# System timezone
timezone Asia/Shanghai --isUtc
# X Window System configuration information
xconfig --startxonboot
# System bootloader configuration
bootloader --append=" crashkernel=auto" --location=mbr --boot-drive=sda
# Partition clearing information
clearpart --all --initlabel
# Disk partitioning information
part pv.49 --fstype="lvmpv" --ondisk=sda --size=20279
part /boot --fstype="xfs" --ondisk=sda --size=200
volgroup centos --pesize=4096 pv.49
logvol / --fstype="xfs" --size=18367 --name=root --vgname=centos
logvol swap --fstype="swap" --size=1907 --name=swap --vgname=centos
%packages
@^graphical-server-environment
@base
@core
@desktop-debugging
@dial-up
@fonts
@gnome-desktop
@guest-agents
@guest-desktop-agents
@hardware-monitoring
@input-methods
@internet-browser
@multimedia
@print-client
@x11
chrony
kexec-tools
kexec-tools
%end
%addon com_redhat_kdump --enable --reserve-mb='auto'
%end
%anaconda
pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty
pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok
pwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty
%end
6 ：客户机开机从主机能获取IP地址既能自动安装！
