centos7 pxe minimal install

# 01-78-2b-cb-69-10-f3 
default menu.c32
prompt 0
timeout 50

label CentOS 7
    MENU DEFAULT
	MENU LABEL CentOS 7 [78:2b:cb:69:10:f3]
	KERNEL centos-7/vmlinuz
	APPEND initrd=centos-7/initrd.img ip=dhcp BOOTIF=78:2b:cb:69:10:f3 inst.ks=http://install.localhost/kickstart/78:2b:cb:69:10:f3 ramdisk_size=102400 console=ttyS1,115200

# 78:2b:cb:69:10:f3
text
keyboard --vckeymap=us --xlayouts='us'
timezone Asia/Shanghai
lang en_US.UTF-8
skipx
auth --enableshadow --passalgo=sha512
#python -c 'import crypt; print(crypt.crypt("12345678", "$6$MySalt"))'
rootpw --iscrypted $6$MySalt$iFl/N4aMnlglYuZpKVOE0NP.girdj2ayXNT9RhjdoZ05EkF.Ib7ip.jDN7mleWEpY8Iil5bplNdvtlgzCWUcG1

#zerombr
bootloader --boot-drive=sda --location=mbr
ignoredisk --only-use=sda
clearpart --drives=sda --all

#part swap --fstype='swap' --ondisk=sda --size=8000
part biosboot --fstype='biosboot' --size=1
part / --fstype='xfs' --ondisk=sda --size=50000
part /opt --fstype='xfs' --ondisk=sda --size=1 --grow

network --bootproto=static --device=78:2b:cb:69:10:f3 --ip=192.168.48.122 --netmask=255.255.255.0 --ipv6=yes --onboot=yes --activate --hostname=bjyh-48-122 --gateway=192.168.48.1 --nameserver=192.168.48.116

install
url --url='http://install.localhost/centos-7'
logging level=info
#repo --name=base --baseurl='http://install.localhost/centos-7'

firewall --disabled
selinux --disabled
services --disabled=NetworkManager,postfix
services --enabled=network
firstboot --disabled
reboot

%packages
@core
%end

%pre
/usr/sbin/parted -s /dev/sda mklabel gpt
%end

%post
#rm -rf /etc/yum.repos.d/*
#curl http://us.yum.suntv.tv/centos6.repo -o /etc/yum.repos.d/centos.repo
#curl http://us.yum.suntv.tv/epel.repo -o /etc/yum.repos.d/epel.repo

#yum install -y wget vim net-tools
%end

使用CentOS-7-x86_64-Minimal-1511.iso做安装盘，源盘里不包括wget，vim，net-tools，因此注释。@core共284个安装包。