Centos 6.x VMs on CloudStack

If you want to create a template for deploying Centos 6 VMs, you need to do a few things to the VM before snapshotting the root volume and converting it into a template:

  • yum -y update (of course)
  • set the root password to a well known one ("password" comes to mind)
  • delete the SSH keys in /etc/ssh/ so on first boot sshd will generate new keys
  • rm /etc/udev/rules.d/70-persistent-net.rules
  • yum -y install vim :)
  • edit /etc/sysconfig/network-scripts/ifcfg-eth0 to look like:
    • DEVICE=eth0
    • BOOTPROTO=dhcp
    • ONBOOT=yes
    • TYPE=Ethernet
That should get you going.


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