1、安装配置kickstart
要使用kickstrt安装平台,包括的完整架构为:Kickstart + DHCP+ NFS+TFTP+PXE,从架构可以看出
大致需要安装的服务,例如dbcp、tftp、nfs、kickstart/pxe等
挂在镜像
mount /dev/cdrom /mnt
df -h
1)DHCP、Tftp安装
yum install -y dhcp* tftp* syslinux
首先配置tftp服务:
vi /etc/xinetd.d/tftp
disable = no
只需要把disable=yes 改成disbale=no即可
2)TFTP +PXE配置
要实现远程安装系统,首先需要在TFTpboot目录指定相关PXE内核模块以及相关参数,
配置步骤如下:
#如果系统是5.X,默认tftpboot目录已经自动创建到/根目录下
#如果系统是6.X,默认tftpboot目录在/var/lib/下,所以linux 6.x需要做软链接/根目录下。
查看/根下是否有/tftpboot目录,如果没有需要做软链接
ln -s /var/lib/tftpboot/ /
cd /tftpboot/
find / -name pxelinux.0
cp /usr/share/syslinux/pxelinux.0 ./
cp /mnt/images/pxeboot/{initrd.img,vmlinuz} ./
将所有内容拷贝内核到/tftpboot目录下
mkdir -p /tftpboot/pxelinux.cfg
cd /tftpboot/pxelinux.cfg
cp /mnt/isolinux/isolinux.cfg default
chmod 777 /tftpboot/pxelinux.cfg/default
vi /tftpboot/pxelinux.cfg/default
添加如下:
label Rehel6.5
kernel vmlinuz
append ks=nfs:192.168.56.77:/centosinstall/ks.cfg ksdevice=eth0 initrd=initrd.img
安装nfs服务
yum install -y nfs*
用NFs或者httpd把镜像文件共享出来
mkdir -p /centosinstall
nohup cp -rf /mnt/* /centosinstall &
echo "/centosinstall *(rw,sync)" >>/etc/exports
cd /centosinstall
vi ks.cfg
[root@localhost ~]# cat ks.cfg
#platform=x86, AMD64, or Intel EM64T
#version=DEVEL
key --skip
# Firewall configuration
firewall --disabled
# Install OS instead of upgrade
install
# Use NFS installation media
nfs --server=192.168.56.77 --dir=/centosinstall
# Root password
rootpw --iscrypted $1$9g6qXfWW$b3ofuFBbrusMKae5R5d6Z.
# System authorization information
auth --useshadow --passalgo=sha512
# Use text mode install
text
firstboot --disable
# System keyboard
keyboard us
# System language
lang en_US
# SELinux configuration
selinux --disabled
# Installation logging level
logging --level=info
# Reboot after installation
reboot
# System timezone
timezone Asia/Shanghai
# Network information
network --bootproto=dhcp --device=eth0 --onboot=on
# System bootloader configuration
bootloader --location=mbr
# Clear the Master Boot Record
zerombr
# Partition clearing information
clearpart --all
# Disk partitioning information
part swap --fstype="swap" --size=4096
part /boot --fstype="ext4" --size=200
part / --fstype="ext4" --grow --size=1
%packages
@admin-tools
@base
@core
@development-libs
@development-tools
@x11
%end
chmod 777 ks.cfg
或者使用yum install system-config-kickstart.noarch 终端中运行system-config-kickstart命令 图像界面生成ks.cfg文件
启动nfs、tftp服务
service nfs restart
service xinetd restart
配置dhcp服务
yum install -y dbcp*
vi /etc/dhcp/dhcpd.conf
d
dns-update-style interim;
ignore client-updates;
subnet 192.168.56.0 netmask 255.255.255.0 {
option routers 192.168.56.1;
option subnet-mask 255.255.255.0;
range dynamic-bootp 192.168.56.88 192.168.56.200;
next-server 192.168.56.77;
filename "pxelinux.0";
allow booting;
allow bootp;
}
service dhcpd restart
创建客户端client
输入标签
Rehel6.5