根据业务定制自动安装CentOS

过几天机房要上架29台服务器，需要装系统。机器太多，想自动化安装，由于没测试机，实验都在虚拟机实现，为了能快点部署完，想了几套方案，毕竟早点部署完， 就可以回宿舍，不用去公司了。

[root@localhost ~]# mount /dev/cdrom /mnt

[root@localhost ~]# mkdir  -p iso/CentOS
[root@localhost CentOS]# pwd
/root/iso/CentOS
 

[root@localhost ~]# awk '/Installing/{print $2}' install.log | sed 's/^[0-9]*://g' >package.txt

[root@localhost ~]# cat cp.sh
#!/bin/bash
DVD='/mnt/CentOS'    #DVD镜像存放包路径
PACKDIR='/root/package.txt'     #记录的是现在系统里安装的所有包名
NEW_DVD='/root/iso/CentOS/'   # 新镜像需要包的存放路径
while read LINE
do
cp ${DVD}/${LINE}*.rpm  /${NEW_DVD} || echo "$LINE don't cp......."
done < package.txt

[root@localhost CentOS]# rsync -a --exclude=CentOS /mnt/  /root/iso

[root@localhost ~]# cat anaconda-ks.cfg  | grep -v "^#"


install
cdrom
lang en_US.UTF-8
keyboard us
network --device eth0 --bootproto static --ip 192.168.0.45 --netmask 255.255.255.0 --gateway 192.168.0.1
rootpw --iscrypted $1$cT7w.PYF$autqNIf5WqO0P.3CW5nru.
firewall --enabled --port=22:tcp
authconfig --enableshadow --enablemd5
selinux --enforcing
timezone --utc Asia/Shanghai
bootloader --location=mbr --driveorder=sda
clearpart --linux
part /boot --fstype ext3 --size=100
part swap --size=2000
part / --fstype ext3 --size=100 --grow
%packages
@base
@core
@dialup
@editors
@text-internet
keyutils
trousers
fipscheck
device-mapper-multipath

[root@localhost ~]# cp anaconda-ks.cfg  /root/iso

[root@localhost ~]# vim /root/iso/isolinux/isolinux.cfg

Default  linux   修改成default linux  ks=cdrom:/anaconda-ks.cfg

[root@localhost ~]# cd /root/iso/
[root@localhost iso]#  createrepo -g repodata/*comps.xml /root/iso/
457/457 - CentOS/fbset-2.1-22.x86_64.rpm                                       
Saving Primary metadata
Saving file lists metadata
Saving other metadata
[root@localhost iso]#

[root@localhost ~]# mkisofs -o MyCentOS.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4  -boot-info-table -R -J -v -T /root/iso/

[root@localhost ~]# /usr/lib/anaconda-runtime/implantisomd5  MyCentOS.iso
Inserting md5sum into iso p_w_picpath...
md5 = 82cc70b16908bea468a2ce1c263dee9a
Inserting fragment md5sums into iso p_w_picpath...
fragmd5 = bdf4b332ccf4a6fafe883a4cff54527df985ac2ee71be3c6c66d51e3421c
frags = 20
Setting supported flag to 0
[root@localhost ~]#