OpenNebula Templates

Create a new Template

1. Log into OpenNebula Sunstone.
2. Go to “Templates” in the left menu and click on “VMs” in the drop down menu.

   

   
   

3. Click on the "+" button to create a new template. See below.
4. Click "Create" button.

Configure Template for a Linux VM

The basic procedure is as follows:

• Add a template name in "General" menu.

• In "Storage" tab, choose a storage disk. If your template requires more disks, click on "Add another disk" and select it accordingly.

• In "Network" tab, select a Virtual Network, which the instantiated virtual machine(s) will be connected to. If your template requires more network interfaces, click on "Add another nic" and select it accordingly.

• If a fixed ip address is required, click on "Advanced Option" button and type the fixed address in the "IP" field.

• In "Input/Output" menu, select "VNC" Graphics and tick "Generate Random Password".

• In "Context" menu, add SSH keys in the "Public Key" field and make sure that "Add SSH contextualization" and "Add Network contextualization" are ticked.

• In "Context" menu, you can define a root password under "Custom Vars". Add the following entries: KEY= CRYPTED_PASSWORD_BASE64, VALUE= "password" and press "Add" button.

For more information regarding Contextualization open the relative page.

Configure Template for a Windows VM

The basic procedure is as follows:

• Add a template name in "General" menu.

• In "Storage" tab, choose a storage disk. If your template requires more disks, click on "Add another disk" and select it accordingly.

• In "Network" tab, select a Virtual Network, which the instantiated virtual machine(s) will be connected to. If your template requires more network interfaces, click on "Add another nic" and select it accordingly.

• If a fixed ip address is required, click on "Advanced Option" button and type the fixed address in the "IP" field.

• In "Input/Output" menu, select "VNC" Graphics and tick "Generate Random Password".

• In "Context" menu, you can define a user account under "Custom Vars". Add the following entries: KEY= USERNAME, VALUE= "your-username", KEY= PASSWORD, VALUE= "your-password" and press "Add" button.

For more information regarding Context section

Update a Template

1. Log into OpenNebula Sunstone.
2. Go to “Templates” in the left menu and click on “VMs” in the drop down menu.

   

   
   

3. Click on the template and press "Update" button.
4. Make the necessary changes and press the green "Update" button to save.