A game of ping pong
Here's our first command:
# sudo salt '*' test.ping myminion: True
Was that a bit underwhelming?
Don't worry. We're going to get to the more impressive stuff soon enough. The command we just ran was called a remote execution command. Basically, we sent a message to all (one) of our minions and told them to run a function from one of the execution modules that is built into Salt. In this case, we just told our minion to return True. It's a good way to check which of our minions are alive. We will explore the various parts of this command in more detail in the next chapter.
The test module actually has a few other useful functions. To find out about them, we're actually going to use another module, called sys, as follows:
# sudo ...Get Learning SaltStack now with the O’Reilly learning platform.
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