实现CENTOS7 PXE安装

0 selinux ,firewall 关闭
1 安装包
yum install dhcp tftp-server httpd syslinux
systemctl enable dhcpd httpd tftp.socket
systemctl start httpd

2 准备YUM源

mkdir /var/www/html/centos/{6,7}/ -pv

vim /etc/fstab 加下面行
/dev/sr0 /var/www/html/centos/7 iso9660 defaults 0 0
mount -a
df

3 准备ks文件
mkdir /var/www/html/ksdir/{6,7} -pv
cp /root/anaconda-ks.cfg /var/www/html/ksdir/7/ks7_desktop.cfg
chmod +r /var/www/html/ksdir/7/ks7_desktop.cfg
vim /var/www/html/ksdir/7/ks7_desktop.cfg
url --url=http://192.168.30.7/centos/7
text
reboot
network --bootproto=dhcp --device=ens33 --onboot=on --ipv6=auto --activate
network --hostname=centos7.magedu.com
# Root password
zerombr
%packages
@base
@core
@fonts
@gnome-desktop
@guest-agents
@guest-desktop-agents
@print-client
@x11
autofs
%end

%addon com_redhat_kdump --enable --reserve-mb='auto'
%end
%post
systemctl enable autofs
systemctl disable initial-setup.service
systemctl set-default multi-user.target

mkdir /root/.ssh
cat > /root/.ssh/authorized_keys <<EOF
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCn7U/0bi4xPrC9ClfTC+VAHtfL37Djh22tfM9ebR1/rC9PMGGmm1oiaoLx7ltgNtJGUZEWLrvrgLmJEsv6V+89O8dROcysSSGkbiXJVMbb6Y6spHNVQBEiw30sNs8JyiWzWQJKrNyDj5WBTHDGFEzmhSP1+gZxLrwd/oZSvGL2KPzmznKfQ3P6lEWAAlsdkqB5pLLhVs55KlNo1pAF+nQ06VxYbETqEUyUZ37FqVGFdmU+tPjvLOfB0z0ufycenQSXJCnJB797yJMdqWlweAo9QmYyPFmGoPrqWVaIc/jA6b9JwMMY/Vb8SsYcBlvs3DxSfV84m27BNWb1w4Ai/P4D [email protected]
EOF
rm -rf /etc/yum.repos.d/*
cat > /etc/yum.repos.d/base.repo <<EOF
[base]
name=base
baseurl=file:///misc/cd
gpgcheck=0
EOF

%end