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Your local ecflow_ui cannot directly access logservers running at the centre. In Section 2.1.1 we have created a tunnel for logserver traffic. In order to send the the log requests from the local ecflow_ui to the local tunnel entrance, you need to add "127.0.0.1 logserver" alias in /etc/hosts on your laptop (replace "logserver" with an actual ECMWF logserver name).
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In practice, using Local Port Forwarding
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In practice method we can only connect to a single ECMWF logserver. This is because:
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