*** This bug is a duplicate of bug 649742 ***
https://bugs.launchpad.net/bugs/649742
This is simply a software version issue. The ec2-describe-tags is in
the ec2-api-tools version 1.3-57419, but that version is not available
on Ubuntu 10.04 at this time.
The latest version on Ubuntu 10.04
*** This bug is a duplicate of bug 649742 ***
https://bugs.launchpad.net/bugs/649742
see bug 649742. a newer version of ec2-api-tools will be available via Ubuntu
Backports.
You could also grab the maverick package.
** This bug has been marked a duplicate of bug 649742
backport maverick