To test if TensorBoard is properly installed, check its help page with –help or -h flag. Note TensorBoard doesn’t provide the –version flag as of November, 2015. The –help flag should work under any directory if TensorBoard is properly installed.
$ tensorboard –help
usage: tensorboard [-h] [–logdir LOGDIR] [–debug DEBUG] [–nodebug]
[–host HOST] [–port PORT]
The location of the binary is under direcotry /usr/local/bin.
$ which tensorboard