Reading state information... Done                                               0 upgraded, 0 newly installed, 0 to remove and 112 not upgraded.                root@i-0faff0e8bb595eddc:/tmp# apt-get clean                                    root@i-0faff0e8bb595eddc:/tmp# df -hT                                           Filesystem      Type      Size  Used Avail Use% Mounted on                      udev            devtmpfs  217M     0  217M   0% /dev                            tmpfs           tmpfs      46M  384K   46M   1% /run                            /dev/nvme0n1p1  ext4      7.7G  6.0G  1.4G  82% /                               tmpfs           tmpfs     228M   12K  228M   1% /dev/shm                        tmpfs           tmpfs     5.0M     0  5.0M   0% /run/lock                       /dev/nvme0n1p15 vfat      124M  5.9M  118M   5% /boot/efi                       tmpfs           tmpfs      46M     0   46M   0% /run/user/0                     root@i-0faff0e8bb595eddc:/tmp# aptitude                                         bash: aptitude: command not found                                               root@i-0faff0e8bb595eddc:/tmp# cd /                                             

admin@i-02dd1b8dbee12a939:/proc/685$                                            

  -V, --version  print version                                                  admin@i-0c5198ac56f7a1469:~$ strace -e open ./                                  .ansible/ .config/  .ssh/     agent/    data/     kihei                         admin@i-0c5198ac56f7a1469:~$ strace -e open ./kihei                             --- SIGURG {si_signo=SIGURG, si_code=SI_TKILL, si_pid=1049, si_uid=1000} ---    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1053, si_uid=1000, si__stime=0} ---                                                                   panic: exit status 1                                                                                                                                            goroutine 1 [running]:                                                          main.main()                                                                             ./main.go:64 +0x47d                                                     +++ exited with 2 +++                                                           admin@i-0c5198ac56f7a1469:~$ strace ./kihei | less                              admin@i-0c5198ac56f7a1469:~$                                                    

          [-m minttl] [-O length] [-P proxy_username] [-p source_port]                    [-q seconds] [-s sourceaddr] [-T keyword] [-V rtable] [-W recvlimit]            [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]]                      [destination] [port]                                                  admin@i-0b0edb32d26a5502b:~$ nc localhost 5000                                                                                                                                                                                                  admin@i-0b0edb32d26a5502b:~$ nc localhost 5000 GET /                            nc: port number invalid: GET                                                    admin@i-0b0edb32d26a5502b:~$ nc localhost 5000                                                                                                                                                                                                  admin@i-0b0edb32d26a5502b:~$ GET /                                              bash: GET: command not found                                                    admin@i-0b0edb32d26a5502b:~$ GET / curl --user-agent "whatever"