COMMAND  PID  USER   FD   TYPE DEVICE SIZE/OFF NODE NAME                        gotty    546 admin    6u  IPv6  10655      0t0  TCP *:http-alt (LISTEN)         gotty    546 admin    7u  IPv6  11010      0t0  TCP ip-172-31-39-38.us-east-2.co-172-31-16-109.us-east-2.compute.internal:40862 (ESTABLISHED)                   sadagent 547 admin    7u  IPv6  10631      0t0  TCP *:6767 (LISTEN)             admin@i-0ec94a674eea95352:~$ nc localhost:5000 &                                [1] 899                                                                         admin@i-0ec94a674eea95352:~$ nc: missing port number                            nc -lvvp localhost:5000                                                         nc: getaddrinfo: Servname not supported for ai_socktype                         [1]+  Exit 1                  nc localhost:5000                                 admin@i-0ec94a674eea95352:~$ fg                                                 bash: fg: current: no such job                                                  admin@i-0ec94a674eea95352:~$ nc localhost 5000                                                                                                                  

 -L                   possibly with LWP and NLWP columns                         -m, m                after processes                                            -T                   possibly with SPID column                                                                                                                 For more details see ps(1).                                                     admin@i-06321e2dae7759c94:~$ sudo lsof -i -P -n | grep LISTEN                                                                                                   We trust you have received the usual lecture from the local System              Administrator. It usually boils down to these three things:                                                                                                         #1) Respect the privacy of others.                                              #2) Think before you type.                                                      #3) With great power comes great responsibility.                                                                                                            [sudo] password for admin:                                                      

write(2, ")\n", 2)                                                              )                      = 2                                                      write(2, "\t", 1        )                       = 1                             write(2, "./main.go", 9./main.go)                = 9                            write(2, ":", 1:)                        = 1                                    write(2, "64", 264)                       = 2                                   write(2, " +", 2 +)                       = 2                                   write(2, "0x47d", 50x47d)                    = 5                                write(2, "\n", 1                                                                )                       = 1                                                     exit_group(2)                           = ?                                     +++ exited with 2 +++                                                           admin@i-0cda1507b0f7c9669:~$ ls                                                 agent  data  datafile  kihei                                                    admin@i-0cda1507b0f7c9669:~$                                                    

    #1) Respect the privacy of others.                                              #2) Think before you type.                                                      #3) With great power comes great responsibility.                                                                                                            [sudo] password for admin:                                                      Sorry, try again.                                                               [sudo] password for admin:                                                      sudo: 1 incorrect password attempt                                              admin@i-059b7902195b918d8:~$ curl -vik localhost:500                            *   Trying 127.0.0.1:500...                                                     * connect to 127.0.0.1 port 500 failed: Connection refused                      * Failed to connect to localhost port 500: Connection refused                   * Closing connection 0                                                          curl: (7) Failed to connect to localhost port 500: Connection refused           admin@i-059b7902195b918d8:~$