I/O size (minimum/optimal): 4096 bytes / 4096 bytes                             admin@i-0f16f52e40d44cfda:~$ sudo mkfs.ext4 /dev/vg01/lv01                                                                                                      mke2fs 1.46.2 (28-Feb-2021)                                                     Creating filesystem with 522240 4k blocks and 130560 inodes                     Filesystem UUID: 93e84fe8-5686-4b38-ac53-2de14cf84b04                           Superblock backups stored on blocks:                                                    32768, 98304, 163840, 229376, 294912                                                                                                                    Allocating group tables: done                                                   Writing inode tables: done                                                      Creating journal (8192 blocks): done                                            Writing superblocks and filesystem accounting information: done                                                                                                 admin@i-0f16f52e40d44cfda:~$                                                    

write(2, "main.main", 9main.main)                = 9                            write(2, "(", 1()                        = 1                                    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-00c2fc1811a7c6c41:~$                                                    

udev             217M     0  217M   0% /dev                                     tmpfs             46M  368K   46M   1% /run                                     /dev/nvme0n1p1   7.7G  6.1G  1.2G  84% /                                        tmpfs            228M   12K  228M   1% /dev/shm                                 tmpfs            5.0M     0  5.0M   0% /run/lock                                /dev/nvme0n1p15  124M  5.9M  118M   5% /boot/efi                                admin@i-07917131998840ecb:~$ df -i                                              Filesystem      Inodes IUsed  IFree IUse% Mounted on                            udev             55457   307  55150    1% /dev                                  tmpfs            58292   441  57851    1% /run                                  /dev/nvme0n1p1  516096 32800 483296    7% /                                     tmpfs            58292     4  58288    1% /dev/shm                              tmpfs            58292     3  58289    1% /run/lock                             /dev/nvme0n1p15      0     0      0     - /boot/efi                             admin@i-07917131998840ecb:~$ strace -e open,openat,creat,wr                     

ternal/cpu.maxExtendedFunctionInformationpath..inittaskpath.ErrBadPatterngo.itabuego.itab.*os.File,io.Writergo.itab.*strconv.NumError,errorgo.itab.*reflect.rtypag.durationValue,flag.Valuego.itab.*flag.float64Value,flag.Valuego.itab.*flag.in*flag.int64Value,flag.Valuego.itab.*flag.stringValue,flag.Valuego.itab.*flag.uin*flag.uint64Value,flag.Valuego.itab.*strings.Builder,io.Writergo.itab.*errors.ermt.wrapError,errorgo.itab.*fmt.pp,fmt.Statego.itab.*os.File,io.Readergo.itab.systab.*io/fs.PathError,errorgo.itab.*os.SyscallError,errorgo.itab.syscall.Errno,erio.Writergo.itab.*os.fileStat,io/fs.FileInfogo.itab.*io.LimitedReader,io.Readerggo.itab.*os/exec.ExitError,errorgo.itab.*os/exec.Error,errorgo.itab.*bufio.Reader.UnknownUserIdError,errorgo.itab.*internal/reflectlite.rtype,internal/reflectliizeError,errorgo.itab.*internal/fmtsort.SortedMap,sort.Interfacego.itab.runtime.t_cgo_thread_start_cgo_notify_runtime_init_done_cgo_callers_cgo_yield_cgo_mmap_cntime.mainPCgo.itab.*internal/poll.DeadlineExceededError,errorgo.itab.internal/pntime.defaultGOROOT.strruntime.buildVersion.strruntime.modinfo.strtype.*runtime.09068f88bc5777:~$ q                                                             

-rw-r--r-- 1 admin admin  807 Aug  4  2021 .profile                             admin@i-061fdb9cf7dfc377a:~$ cat webserver.py                                   cat: webserver.py: Permission denied                                            admin@i-061fdb9cf7dfc377a:~$ sudo vi webserver.py                                                                                                               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:                                                      sudo: a password is required                                                    admin@i-061fdb9cf7dfc377a:~$                                                    

                                                                                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:                                                      Sorry, try again.                                                               [sudo] password for admin:                                                      Sorry, try again.                                                               [sudo] password for admin:                                                      sudo: 2 incorrect password attempts                                             admin@i-09f7fa2b6c2c778f0:~$ ss -tu                                             

admin@i-04e823591391d7c45:~$ curl http://localhost:5000/robots.txt              <!doctype html>                                                                 <html lang=en>                                                                  <title>404 Not Found</title>                                                    <h1>Not Found</h1>                                                              <p>The requested URL was not found on the server. If you entered the URL manualling and try again.</p>                                                          admin@i-04e823591391d7c45:~$                                                    

admin@i-002bd4370386a99ef:~$ sudo pvcreate /dev/nvme1n1 /dev/nvme2n1              Physical volume "/dev/nvme1n1" successfully created.                            Physical volume "/dev/nvme2n1" successfully created.                          admin@i-002bd4370386a99ef:~$ sudo vgcreate vg /dev/nvme1n1 /dev/nvme2n1           Volume group "vg" successfully created                                        admin@i-002bd4370386a99ef:~$ sudo vgcreate vg /dev/nvme1n1 /dev/nvme2n1         

iter,io.Writergo.itab.*os.fileStat,io/fs.FileInfogo.itab.*io.LimitedReader,io.Resergo.itab.*os/exec.ExitError,errorgo.itab.*os/exec.Error,errorgo.itab.*bufio.Reer.UnknownUserIdError,errorgo.itab.*internal/reflectlite.rtype,internal/reflectlzeError,errorgo.itab.*internal/fmtsort.SortedMap,sort.Interfacego.itab.runtime.ego_thread_start_cgo_notify_runtime_init_done_cgo_callers_cgo_yield_cgo_mmap_cgo_.mainPCgo.itab.*internal/poll.DeadlineExceededError,errorgo.itab.internal/poll.eefaultGOROOT.strruntime.buildVersion.strruntime.modinfo.strtype.*runtime.textsec193fc:~$ ^C                                                                     admin@i-0c924a99f49c193fc:~$ ls                                                 agent  data  datafile  kihei                                                    admin@i-0c924a99f49c193fc:~$ strings kihei | head                               bash: strings: command not found                                                admin@i-0c924a99f49c193fc:~$ string kihei | head                                bash: string: command not found                                                 admin@i-0c924a99f49c193fc:~$                                                    

agent  webserver.py                                                             admin@i-04dca6e1ae246a837:~$ curl localhost:5000                                Unauthorizedadmin@i-04dca6e1ae246a837:~$ history | grep sudo                        5  2025-03-28T01:12:44 sudo cat webserver.py                                    8  2025-03-28T01:14:06 history | grep sudo                                  admin@i-04dca6e1ae246a837:~$ sudo udo grep -r "password" /etc/                                                                                                  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:                                                      

> Accept: */*                                                                   > Authorization: Bearer aboba                                                   >                                                                               * Mark bundle as not supporting multiuse                                        < HTTP/1.1 200 OK                                                               < Server: Werkzeug/2.3.7 Python/3.9.2                                           < Date: Thu, 27 Mar 2025 22:19:25 GMT                                           < Content-Type: text/html; charset=utf-8                                        < Content-Length: 12                                                            < Connection: close                                                             <                                                                               * Closing connection 0                                                          Unauthorizedadmin@i-0d9acc064ebecf96a:~$ cat /etc/                              Display all 153 possibilities? (y or n)                                         admin@i-0d9acc064ebecf96a:~$                                                    

admin@i-0af8cfecbf1963f99:~$ ls -la                                             total 5245080                                                                   drwxr-xr-x 7 admin admin       4096 Mar 27 09:37 .                              drwxr-xr-x 3 root  root        4096 Sep 17  2023 ..                             drwx------ 3 admin admin       4096 Sep 17  2023 .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 Mar 27 09:37 .config                        -rw-r--r-- 1 admin admin        807 Aug  4  2021 .profile                       drwx------ 2 admin admin       4096 Sep 17  2023 .ssh                           drwxr-xr-x 2 admin root        4096 Sep 17  2023 agent                          drwxr-xr-x 2 admin root        4096 Sep 17  2023 data                           -rw-r--r-- 1 root  root  5368709120 Sep 17  2023 datafile                       -rwxr-xr-x 1 admin root     2207109 Sep 17  2023 kihei                          admin@i-0af8cfecbf1963f99:~$ ./kihei                                            

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "datafile"admin@i-0a311f3366ce1c9fd:~$                                          

Filesystem       Size  Used Avail Use% Mounted on                               udev             217M     0  217M   0% /dev                                     tmpfs             46M  368K   46M   1% /run                                     /dev/nvme0n1p1   7.7G  6.1G  1.2G  84% /                                        tmpfs            228M   12K  228M   1% /dev/shm                                 tmpfs            5.0M     0  5.0M   0% /run/lock                                /dev/nvme0n1p15  124M  5.9M  118M   5% /boot/efi                                admin@i-020a8bfbc440cf1e3:~$ lvdisplay                                            WARNING: Running as a non-root user. Functionality may be unavailable.          /run/lock/lvm/P_global:aux: open failed: Permission denied                    admin@i-020a8bfbc440cf1e3:~$ sudo su                                            root@i-020a8bfbc440cf1e3:/home/admin# lvdisplay                                 root@i-020a8bfbc440cf1e3:/home/admin# vgdisplay                                 root@i-020a8bfbc440cf1e3:/home/admin# pvdisplay                                 root@i-020a8bfbc440cf1e3:/home/admin#