Tips Tricks Hacks

Tips

In the Server view, the Datacenter option is for settings that affect all your nodes. In essence the "tree" view allows setting editing for all children under the parent item.

VM Templates

When you have a default VM config you like, power down the VM, right click, Convert to template.

It can no longer be used as a VM but you can clone from that template

• Mode:
  • Linked clone: dependent child on the template with cascading downstream changes
  • Full Clone: independent entity
    • After cloning these steps will reset important information
      • Change Hostname
        • sudo vim /etc/hostname
      • Change hosts file
        • sudo vim /etc/hosts
      • Reset Machine ID

        rm -f /etc/machine-id /var/lib/dbus/machine-id
        dbus-uuidgen --ensure=/etc/machine-id
        dbus-uuidgen --ensure
        

      • Regenerate SSH keys

        regen ssh keys
        sudo rm /etc/ssh/ssh_host_*
        sudo dpkg-reconfigure openssh-server