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Posted By

fugue on 06/18/07


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Check if port is open


Published in: Bash 


URL: http://www.venturecake.com/10-linux-shell-tricks-you-dont-already-know-for-once/

  1. if nc -w 3 localhost 22 <<<&> /dev/null
  2. then
  3. echo ‘Port is open’
  4. else
  5. echo ‘Port is closed’
  6. fi

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