COT (the Common OVF Tool) is a tool for editing Open Virtualization Format (.ovf, .ova) virtual appliances, with a focus on virtualized network appliances such as the Cisco CSR 1000V and Cisco IOS XRv platforms.

COT's capabilities include:

• Add a disk or other file to an OVF/OVA
• Edit OVF hardware information (CPUs, RAM, NICs, configuration profiles, etc.)
• Edit product description information in an OVF/OVA
• Edit OVF environment properties
• Display a descriptive summary of the contents of an OVA or OVF package
• Embed a bootstrap configuration text file into an OVF/OVA.
• Remove files and disks from an OVF or OVA package
• Deploy an OVF/OVA to an ESXi (VMware vSphere or vCenter) server to provision a new virtual machine (VM), including serial port configuration as needed.

For more information, refer to the documentation.