#!/bin/bash                                                                                                                                                     expected_checksum="d8bee9d7f830d5fb59b89e1e120cce8e"                            actual_checksum=$(md5sum /home/admin/mysolution | awk '{print $1}')                                                                                             if [[ "$actual_checksum" == "$expected_checksum" ]]; then                         echo -n "OK"                                                                  else                                                                              echo -n "NO"                                                                  fiadmin@i-061454707f2cf9aeb:~/agent$ file sadagent                              sadagent: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linkeH6A8cVluPFUvaNojVwMi/C5t-5rNiA5GJLWeSm5Qz/KXfivG_lDFnrqPGrWEJo/K_OQEFevUZEPr4lPEadmin@i-061454707f2cf9aeb:~/agent$ ..                                           bash: ..: command not found                                                     admin@i-061454707f2cf9aeb:~/agent$                                              

admin@i-057ae4dc59b816d58:~$                                                    

dr-xr-xr-x   3 root root 0 Feb  6 06:31 task                                    -rw-r--r--   1 root root 0 Feb  6 06:31 timens_offsets                          -r--r--r--   1 root root 0 Feb  6 06:31 timers                                  -rw-rw-rw-   1 root root 0 Feb  6 06:31 timerslack_ns                           -rw-r--r--   1 root root 0 Feb  6 06:31 uid_map                                 -r--r--r--   1 root root 0 Feb  6 06:31 wchan                                   admin@i-0fb869488634369c7:/proc/575$ sudo                                       usage: sudo -h | -K | -k | -V                                                   usage: sudo -v [-AknS] [-g group] [-h host] [-p prompt] [-u user]               usage: sudo -l [-AknS] [-g group] [-h host] [-p prompt] [-U user] [-u user] [comusage: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-D directory] [-g group] [directory] [-T timeout] [-u user] [VAR=value] [-i|-s] [<command>]               usage: sudo -e [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g group] [-irectory] [-T timeout] [-u user] file ...                                       admin@i-0fb869488634369c7:/proc/575$ sudo  -                                    

    693 pts/1    00:00:00 sh                                                        694 pts/1    00:00:00 bash                                                      800 pts/1    00:00:00 ps                                                    admin@i-0b98d3e9a33585961:~$ netstat -an | grep 5000                            tcp        0      0 127.0.0.1:5000          0.0.0.0:*               LISTEN      admin@i-0b98d3e9a33585961:~$ lsof -i :5000                                      admin@i-0b98d3e9a33585961:~$ lsof -i :5000                                      admin@i-0b98d3e9a33585961:~$ ss -lntu | grep 5000                               tcp   LISTEN 0      128                          127.0.0.1:5000      0.0.0.0:*  admin@i-0b98d3e9a33585961:~$ lsof -i :5000                                      admin@i-0b98d3e9a33585961:~$ netstat -tulnp | grep 5000                         (Not all processes could be identified, non-owned process info                   will not be shown, you would have to be root to see it all.)                   tcp        0      0 127.0.0.1:5000          0.0.0.0:*               LISTEN      admin@i-0b98d3e9a33585961:~$ netstat -tulnp | grep