List of Linux commands you must master

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The purpose of this paper is to list the Linux commands that can improve productivity / efficiency of problem analysis, and make a list for future memory and mastery. The purpose of this paper is not to explain in detail how to use each command. The list is kept up-to-date.


Transport layer TCP / UDP

  • ss

    • Function: get the statistics of native sockets
    • Common parameters

      • -l, --listeningShow only sockets with listening status
      • -n, --numericDo not resolve the port to the service name, display the port number number number directly
      • -t, --tcpShow only TCP sockets
      • -u, --udpShow UDP sockets only
    • Detailed explanation

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