Arm Linux Shell learns shell to get the command output and put it in the test variable wget T3. Timeout is 3 seconds, t1 is only tried once and must be added 2>&1, otherwise the test port is not available. Restart regularly + single instance guard

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Arm Linux Shell learns shell to get the command output and put it in the test variable wget T3. Timeout is 3 seconds, t1 is only tried once and must be added 2>&1, otherwise the test port is not available. Restart regularly + single instance guard

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