Since Tails only reports when it fails to upgrade, not when it succeeds I want to know where I can check to see if I have the latest version.
Tails Upgrader should run automatically when Tails connects to the Tor network after startup. There shouldn't be a need to check the version manually: Tails should keep itself up to date.
If, for whatever reason, your system was unable to connect to the Tor network at startup (e.g. if you didn't have a network connection), then you can run the upgrader manually from the command line using
The upgrader will tell you if your version is out of date.
If you really just want to check the version without relying on the upgrader, then run the following: