write(2, " +", 2 +)                       = 2                                   write(2, "0x47d", 50x47d)                    = 5                                write(2, "\n", 1                                                                )                       = 1                                                     exit_group(2)                           = ?                                     +++ exited with 2 +++                                                           admin@i-0269ea0138568a4a7:~$ sudo ulimit -a                                     sudo: ulimit: command not found                                                 admin@i-0269ea0138568a4a7:~$ sudo ulimits -a                                    sudo: ulimits: command not found                                                admin@i-0269ea0138568a4a7:~$ sudo ul                                            ul      ulimit                                                                  admin@i-0269ea0138568a4a7:~$ sudo ul                                            ul      ulimit                                                                  admin@i-0269ea0138568a4a7:~$ sudo ulimit -a                                     

admin@i-0342ea88046ffbc17:~$ ls                                                 agent  webserver.py                                                             admin@i-0342ea88046ffbc17:~$ cat webserver.py                                   cat: webserver.py: Permission denied                                            admin@i-0342ea88046ffbc17:~$ ls -l webserver.py                                 -rwxrwx--- 1 root root 360 Sep 24  2023 webserver.py                            admin@i-0342ea88046ffbc17:~$ fuser 5000/tcp                                     admin@i-0342ea88046ffbc17:~$                                                    

admin@i-0f543fbc21a7f9861:~$ ls -al                                             total 5245080                                                                   drwxr-xr-x 7 admin admin       4096 Feb  7 22:52 .                              drwxr-xr-x 3 root  root        4096 Sep 17 16:44 ..                             drwx------ 3 admin admin       4096 Sep 17 17:15 .ansible                       -rw-r--r-- 1 admin admin        220 Aug  4  2021 .bash_logout                   -rw-r--r-- 1 admin admin       3526 Aug  4  2021 .bashrc                        drwxr-xr-x 3 admin admin       4096 Feb  7 22:52 .config                        -rw-r--r-- 1 admin admin        807 Aug  4  2021 .profile                       drwx------ 2 admin admin       4096 Sep 17 16:44 .ssh                           drwxr-xr-x 2 admin root        4096 Sep 17 17:28 agent                          drwxr-xr-x 2 admin root        4096 Feb  7 22:53 data                           -rw-r--r-- 1 root  root  5368709120 Sep 17 17:28 datafile                       -rwxr-xr-x 1 admin root     2207109 Sep 17 17:28 kihei                          admin@i-0f543fbc21a7f9861:~$                                                    

else                                                                              echo -n "NO"                                                                  fi                                                                              admin@i-08604040ea56a1548:~$ file kihei                                         kihei: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, Gadmin@i-08604040ea56a1548:~$ ./kihei                                            panic: exit status 1                                                                                                                                            goroutine 1 [running]:                                                          main.main()                                                                             ./main.go:64 +0x47d                                                     admin@i-08604040ea56a1548:~$ which vim                                          /usr/bin/vim                                                                    admin@i-08604040ea56a1548:~$ vim -b kihei                                       (gdb) e.in runtime/sys_linux_amd64.so such file or directory.in at main.go:16