Commits on Mar 2, 2023

1. docs: add a comment in docker README.md

   

   zmstone committed Mar 2, 2023
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2. fix(bin/emqx): no need to ping node before attach

   

   zmstone committed Mar 2, 2023
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3. feat(bin/emqx): diagnose boot failure …

   Prior to this change, when EMQX daemon mode failed to start
   it's not quite easy for users to understand what went wrong.
   All the know is the node did not start in time
   and then instructed to boot the node in 'console' mode wishing
   for some logs.
   However, the node might actuay be running, causing 'console' mode
   to fail with a different reason.
   
   With this change, after a filure of daemon mode boot,
   we issue a diagnosis.
   1. if node can not be found from ps -ef, instruct the user
      to find information in erlang.log.N
   2. if the node is found running, but not responding to pings
      instruct the user to check if the node name is
      resolvable and reachable
   3. if the node is responding to pings but emqx app is not
      running, then it's likely a bug. so the user is advised
      to report a github issue.

   

   zmstone committed Mar 2, 2023
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