主要就是格式问题

# Install OS instead of upgrade

install

# Keyboard layouts

keyboard 'us'# Reboot after installation

reboot

# Root password

rootpw dhgate123

# System timezone

timezone Africa/Abidjan

# Use network installation

url --url=http://172.16.200.200/cobbler/ks_mirror/CentOS_7_x86_64

# System language

lang en_US

# Firewall configuration

firewall --disabled

# Network information

network --bootproto=dhcp --device=eth0

# System authorization information

auth --useshadow --passalgo=sha512

# Use graphical install

firstboot --disable

# SELinux configuration

selinux --disabled

# System bootloader configuration

bootloader --location=mbr

# Clear the Master Boot Record

zerombr

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part / --asprimary --fstype="ext4" --size=10240 --grow

part /boot --fstype="ext4" --size=200

part swap --size=16000

%packages

@core

%end

%post

yum install wget -y

%end