制作自动化系统安装U盘

[root@test88 ~]# mkdir /application/tools -p
[root@test88 ~]# cd /application/tools/
[root@test88 tools]# ls CentOS-6.6-x86_64-bin-DVD1.iso
[root@test88 tools]# mount -o loop CentOS-6.6-x86_64-bin-DVD1.iso /mnt/

[root@test88 ~]# mkdir -p /application/centos6
[root@test88 centos6]# rsync -avz --exclude=Packages/* --exclude=repodata/* /mnt/ /application/centos6/
#补充：rsync后面如果是/application/centos6，则会自动创建目录
#Packages和repodata里的内容后面要自定义添加

#root目录下默认有一个install.log文件，记录着系统安装安装的软件包
cd
awk ‘/Installing/{print "rsync -az /mnt/Packages/"$2".rpm /application/centos6/Packages/"}‘ install.log | bash
cd /mnt/Packages/
cp tree-1.5.3-2.el6.x86_64.rpm nmap-5.51-4.el6.x86_64.rpm lrzsz-0.12.20-27.1.el6.x86_64.rpm dos2unix-3.1-37.el6.x86_64.rpm telnet-0.17-48.el6.x86_64.rpm /application/centos6/Packages/

cd /application/centos6/
yum install -y createrepo
cp /mnt/repodata/9e2ddcc42b44eb150ebc61dde29c997318d8330b92205b3dbb3a87bcc06d10be-c6-x86_64-comps.xml comps.xml
createrepo -g comps.xml .
#comps.xml 记录了包组内rpm包信息和依赖关系

vim /application/centos6/isolinux/ks.cfg

#platform=x86, AMD64, or Intel EM64T
#version=DEVEL
# Firewall configuration
firewall --disabled
# Install OS instead of upgrade
install
# Use harddrive installation
harddrive --partition=/dev/sda4 --dir=.
# Root password
rootpw --iscrypted $1$j2xUB1S7$9MW5sEYgcn3P/dqgF0/8L.
# System authorization information
auth  --useshadow  --passalgo=sha512
# Use graphical install
text
# System keyboard
keyboard us
# System language
lang en_US.UTF-8
# SELinux configuration
selinux --disabled
# Do not configure the X Window System
skipx
# Installation logging level
logging --level=info
# Reboot after installation
reboot
# System timezone
timezone  Asia/Shanghai
# System bootloader configuration
bootloader --location=mbr
# Clear the Master Boot Record
zerombr
# Partition clearing information
clearpart --all --initlabel
# Disk partitioning information
part /boot --ondisk=/dev/sdb --asprimary --fstype="ext4" --size=200
part swap --ondisk=/dev/sdb --asprimary --fstype="swap" --size=1024
part / --ondisk=/dev/sdb --asprimary --fstype="ext4" --grow --size=1

%packages
@base
@compat-libraries
@debugging
@development
tree
nmap
lrzsz
dos2unix
telnet
%post
echo "Welcome to the peter linux system" > /etc/motd
%end

vim /application/centos6/isolinux/isolinux.cfg

label linux
  menu label ^Install or upgrade an existing system
  menu default
  kernel vmlinuz
  append ks=hd:sda4:/isolinux/ks.cfg initrd=initrd.img

yum install -y mkisofs
mkisofs -R -J -T -v -no-emul-boot -boot-load-size 4 -boot-info-table -V CS66ISO -b isolinux/isolinux.bin -c isolinux/boot.cat -o /application/CentOS-6.6-x86_64-peter.iso /application/centos6/

yum install -y isomd5sum
implantisomd5 CentOS-6.6-x86_64-peter.iso  
checkisomd5 CentOS-6.6-x86_64-peter.iso
#implantisomd5是向iso文件里植入md5值，checkisomd5是检查iso文件里的md5值