You can add tags to virtual machines - arbitrary combinations of characters that allow you to index instances or filter by a specific tag.

MCS control panel

To manage tags in your MCS account, you should:

1. Go to the Virtual Machines page of the Cloud Computing section.
2. In the context menu of the instance, in the "tagging" section, select existing tags or create a new one:
3. When creating a new tag, it is possible to choose the color and name of the tag:
4. You can search for instances by tag:

OpenStack CLI

Tags are managed in the openstack client using nova commands.

Adding a tag:

 $ nova server-tag-add <instance ID> <tag>

View server tags:

 $ nova server-tag-list <instance ID>

Removing a tag:

 $ nova server-tag-delete <instance ID> <tag>

Removing all tags for an instance:

 $ nova server-tag-delete-all <instance ID>