text-user-interface -- TUI is the GDB text based interface.                     tracepoints -- Tracing of program execution without stopping the program.       user-defined -- User-defined commands.                                                                                                                          Type "help" followed by a class name for a list of commands in that class.      Type "help all" for the list of all commands.                                   Type "help" followed by command name for full documentation.                    Type "apropos word" to search for commands related to "word".                   Type "apropos -v word" for full documentation of commands related to "word".    Command name abbreviations are allowed if unambiguous.                          (gdb) data                                                                      Undefined command: "data".  Try "help".                                         (gdb) stack                                                                     Undefined command: "stack".  Try "help".                                        (gdb)                                                                           

admin@i-09510fca4b687afc4:~$                                                    

-rw-r--r--   1 root root 0 Nov 28 19:24 setgroups                               -r--r--r--   1 root root 0 Nov 28 19:24 smaps                                   -r--r--r--   1 root root 0 Nov 28 19:24 smaps_rollup                            -r--------   1 root root 0 Nov 28 19:24 stack                                   -r--r--r--   1 root root 0 Nov 28 19:20 stat                                    -r--r--r--   1 root root 0 Nov 28 19:24 statm                                   -r--r--r--   1 root root 0 Nov 28 19:20 status                                  -r--------   1 root root 0 Nov 28 19:24 syscall                                 dr-xr-xr-x   3 root root 0 Nov 28 19:24 task                                    -rw-r--r--   1 root root 0 Nov 28 19:24 timens_offsets                          -r--r--r--   1 root root 0 Nov 28 19:24 timers                                  -rw-rw-rw-   1 root root 0 Nov 28 19:24 timerslack_ns                           -rw-r--r--   1 root root 0 Nov 28 19:24 uid_map                                 -r--r--r--   1 root root 0 Nov 28 19:24 wchan                                   admin@i-0f502522293dd2f2c:/proc/571$ ps axuwwf |"                               

                                                                                [sudo] password for admin:                                                      Sorry, try again.                                                               [sudo] password for admin:                                                      Sorry, try again.                                                               [sudo] password for admin:                                                      sudo: 3 incorrect password attempts                                             admin@i-048902c622e991104:~$ su                                                 Password:                                                                       su: Authentication failure                                                      admin@i-048902c622e991104:~$ systemctl status nginx                             Unit nginx.service could not be found.                                          admin@i-048902c622e991104:~$ systemctl status apache2                           Unit apache2.service could not be found.                                        admin@i-048902c622e991104:~$ curl -I local