PXE全自动安装操作系统--centos7.3学习笔记
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PXE服务器:192.168.110.110
环境准备
安装软件
# yum -y install dhcp tftp-server tftp vsftpd lftp
DHCP配置
# cd /var/dhcp
# cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf
# vim /etc/dhcp/dhcpd.conf
subnet 192.168.110.0 netmask 255.255.255.0 {
range 192.168.110.3 192.168.110.88;
next-server 192.168.110.110;
filename "pxelinux.0";
default-lease-time 600;
max-lease-time 7200;
}
TFTP配置
# yum -y install xinetd
# vim /etc/xinetd.d/tftp
disable =no
# systemctl restart xinetd
# systemctl stop firewalld
# setenforce 0
# chmod 777 /var/lib/tftpboot -R
拷贝引导文件:
# yum provides */pexlinux.0
syslinux-4.05-13.el7.x86_64
# yum install syslinux -y
# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot
准备default文件:
# mkdir /var/lib/tftpboot/pxelinux.cfg
# mount /dev/cdrom /mnt
# cp /mnt/isolinux/* /var/lib/tftpboot/
# cp /mnt/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default
# vim /var/lib/tftpboot/pxelinux.cfg/default
label linux
menu lable ^install CentOS Linux 7
append initrd=initrd.img
inst.stage2=ftp://192.168.110.110/centos7u3 inset.repo=ftp://192.168.110.110/centos7u3 ks=ftp://192.168.110.110/ks.cfg
vsftpd配置
# cd /var/ftp/
# mkdir centos7u3
# mount /dev/cdrom centos7u3
# systemctl start vsftpd
ks.cfg
# platform=x86, AMD64, 或 Intel EM64T
# version=DEVEL
# Install OS instead of upgrade
install
# Keyboard layouts
keyboard ‘us‘
# Root password
rootpw --iscrypted $1$mxXMfdmL$Sqdg6BBzPf76kWD4WpaU.1
user --name=martin --password=$6$qxZqHFOqqG.q3S1E$BDsWv00mnyllWVsDvfscFDDVLOXdoR/qplm5MISsUczVFZTc.HVGCEdKPmWJox5ZYfzIFafuSDq51nE8URJAA1 --iscrypted --gecos="martin"
# System timezone
timezone Asia/Shanghai --isUtc
# Use network installation
url --url="ftp://192.168.87.101/centos7"
# System language
lang en_US
# Firewall configuration
firewall --enabled
# System authorization information
auth --useshadow --passalgo=sha512
# Use graphical install
graphical
firstboot --disable
# SELinux configuration
selinux --disable
# Network information
network --bootproto=dhcp --device=eth0
# Reboot after installation
reboot
# System bootloader configuration
bootloader --location=mbr
# Clear the Master Boot Record
zerombr
# Partition clearing information
clearpart --all --initlabel
# Disk partitioning information
part /boot --fstype="xfs" --size=200
part swap --fstype="swap" --size=2048
part / --fstype="xfs" --grow --size=1
%packages
@core
@base
bash-completion
vim-enhanced
%end
%post
mkdir /etc/yum.repos.d/default
mv /etc/yum.repos.d/C* /etc/yum.repos.d/default
cat << eof > /etc/yum.repos.d/centos.repo
[centos]
name=centos
baseurl=ftp://172.16.8.100
enabled=1
gpgcheck=0
eof
%end
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