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kubetail:tldr:04bfc
The command "kubetail ${my_app_1},${my_app_2}" is a shell command that is used to tail the logs of multiple Kubernetes pods simultaneously.
Here's a breakdown of what each part of the command does:
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"kubetail" is a tool or script that you have installed on your system. It is not a standard part of Kubernetes, but rather a third-party utility. This utility is typically used to stream log output from multiple pods.
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"${my_app_1},${my_app_2}" represents a comma-separated list of Kubernetes pod names or labels. The command will stream the logs of all pods specified in this list. The variables ${my_app_1} and ${my_app_2} are assumed to be defined or set earlier in your shell environment.
So, when you execute this command, it will start streaming the logs from the pods specified by ${my_app_1} and ${my_app_2}, allowing you to see the real-time log output of multiple pods in one terminal window.