煮酒品茶：OpenStack制作CentOS的镜像视频
1、建立虚拟机（硬盘镜像选对）
2、在虚拟机上做一些云的要求（有脚本）
3、上传镜像
4、测试
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#!/bin/bash
# add the EPEL repo and update
rpm -Uvh http:
//download
.fedoraproject.org
/pub/epel/6/x86_64/epel-release-6-8
.noarch.rpm
yum -y update
# install cloud-init
yum -y
install
cloud-init
yum -y
install
rsync
# add the ec2-user (default for cloud-init)
adduser ec2-user
mkdir
/home/ec2-user/
.
ssh
/
chown
-R ec2-user.ec2-user
/home/ec2-user/
.
ssh
# patch up groups
sed
-i
'/^wheel:/ s/$/ec2-user/'
/etc/group
# fix up sudoers
sed
-i
'/Defaults requiretty/d'
/etc/sudoers
sed
-i
'/## Same thing without a password/{n;d}'
/etc/sudoers
sed
-i '/
# Same thing without a password/a \
%wheel ALL=(ALL) NOPASSWD: ALL'
/etc/sudoers
# hack up sshd_config
sed
-i
's/PasswordAuthentication yes/PasswordAuthentication no/g'
/etc/ssh/sshd_config
# clean up the network interface stuff
rm
/etc/udev/rules
.d
/70-persistent-net
.rules
sed
-i
'/HWADDR/d'
/etc/sysconfig/network-scripts/ifcfg-eth0
sed
-i
'/UUID/d'
/etc/sysconfig/network-scripts/ifcfg-eth0
# graft up grub
sed
-i
's/timeout=5/timeout=1/g'
/boot/grub/menu
.lst
sed
-i '
/hiddenmenu/a
\
serial –unit=0 –speed=115200 \
terminal –timeout=10 console serial'
/boot/grub/menu
.lst
sed
-i
'/^\skernel/ s/$/ console=tty0 console=ttyS0,115200n8/'
/boot/grub/menu
.lst
# wipe the passwords
passwd
-l root
passwd
-l ec2-user
# say something cute in /etc/motd
echo
"CentOS image built using BlueChipTek's OpenStack guide."
>>
/etc/motd
echo
""
>>
/etc/motd
echo
"More guides on OpenStack are at http://openstack.bluechiptek.com/"
>>
/etc/motd
echo
""
>>
/etc/motd
echo
"@StackGeek"
>>
/etc/motd
# notify we're halting
echo
"Halting instance in 5 seconds!"
sleep
5
# halt the instance
halt
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本文转自 煮酒品茶 51CTO博客，原文链接：http://blog.51cto.com/cwtea/1357349，如需转载请自行联系原作者
