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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
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | #!/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 |