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-0133da7c108576538:~$ cd /home/admin/data/newdatafile                    bash: cd: /home/admin/data/newdatafile: No such file or directory               admin@i-0133da7c108576538:~$ mkdir                                              

admin@i-05ea6cc0264e6ce20:~$                                                    admin@i-05ea6cc0264e6ce20:~$                                                    admin@i-05ea6cc0264e6ce20:~$                                                    admin@i-05ea6cc0264e6ce20:~$                                                    admin@i-05ea6cc0264e6ce20:~$ lsof +D                                            lsof: +d not followed by a directory path                                       lsof 4.93.2                                                                      latest revision: https://github.com/lsof-org/lsof                               latest FAQ: https://github.com/lsof-org/lsof/blob/master/00FAQ                  latest (non-formatted) man page: https://github.com/lsof-org/lsof/blob/master/L usage: [-?abhKlnNoOPRtUvVX] [+|-c c] [+|-d s] [+D D] [+|-E] [+|-e s] [+|-f[gG]] [-F [f]] [-g [s]] [-i [i]] [+|-L [l]] [+m [m]] [+|-M] [-o [o]] [-p s]           [+|-r [t]] [-s [p:s]] [-S [t]] [-T [t]] [-u s] [+|-w] [-x [fl]] [--] [names]   Use the ``-h'' option to get more help information.                             admin@i-05ea6cc0264e6ce20:~$ lsof +D                                            

                                                                                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-0cf55633730360868:~$                                                    

  media-types python-apt-common python3-minimal python3.9 python3.9-minimal qemuUse 'sudo apt autoremove' to remove them.                                       The following additional packages will be installed:                              vim-common vim-tiny                                                           Suggested packages:                                                               indent                                                                        The following packages will be REMOVED:                                           vim* vim-runtime*                                                             The following packages will be upgraded:                                          vim-common vim-tiny                                                           2 upgraded, 0 newly installed, 2 to remove and 102 not upgraded.                Need to get 970 kB of archives.                                                 After this operation, 36.3 MB disk space will be freed.                         Do you want to continue? [Y/n] Y                                                0% [Connecting to cdn-aws.deb.debian.org (2600:9000:25f5:9e00:c:a756:bac0:93a1)]

total 5250172                                                                   drwxr-xr-x 7 admin admin       4096 Feb  7 20:00 .                              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 Feb  7 19:55 .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 Feb  7 20:00 data                           -rw-r--r-- 1 admin admin 5368709120 Feb  7 19:57 datafile                       -rw-r--r-- 1 admin admin    5210219 Sep 17  2023 datafile.gz                    -rwxr-xr-x 1 admin root     2207109 Sep 17  2023 kihei                          admin@i-0e30ea8b74f198298:~$ .                                                  

goroutine 1 [running]:                                                          main.main()                                                                             ./main.go:64 +0x47d                                                     admin@i-0b7ecaf1b65fe9efe:~$ type /home/admin/kihei                             /home/admin/kihei is /home/admin/kihei                                          admin@i-0b7ecaf1b65fe9efe:~$ file /home/admin/kihei                             /home/admin/kihei: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), staticaladmin@i-0b7ecaf1b65fe9efe:~$ ls -la /home/admin/kihei                           -rwxr-xr-x 1 admin root 2207109 Sep 17  2023 /home/admin/kihei                  admin@i-0b7ecaf1b65fe9efe:~$ cd /var/log                                        admin@i-0b7ecaf1b65fe9efe:/var/log$ ls                                          alternatives.log  btmp    cloud-init-output.log  debug     journal   messages   apt               cast    cloud-init.log         dpkg.log  kern.log  minio.log  auth.log          chrony  daemon.log             faillog   lastlog   private    admin@i-0b7ecaf1b65fe9efe:/var/log$                                             

└─nvme0n1p15 259:4    0  124M  0 part /boot/efi                                 nvme2n1      259:1    0    1G  0 disk                                           nvme1n1      259:5    0    1G  0 disk                                           admin@i-0bb5606ea3f199d25:~$ lsblk -l                                           NAME       MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT                                  nvme0n1    259:0    0    8G  0 disk                                             nvme2n1    259:1    0    1G  0 disk                                             nvme0n1p1  259:2    0  7.9G  0 part /                                           nvme0n1p14 259:3    0    3M  0 part                                             nvme0n1p15 259:4    0  124M  0 part /boot/efi                                   nvme1n1    259:5    0    1G  0 disk                                             admin@i-0bb5606ea3f199d25:~$                                                    admin@i-0bb5606ea3f199d25:~$                                                    admin@i-0bb5606ea3f199d25:~$                                                    admin@i-0bb5606ea3f199d25:~$ sudo pvcreate /dev/nvme1n1 /dev/nvme2n1            

admin@i-0e1a3ad942e59d79e:~$ /home/admin/kihei                                  panic: exit status 1                                                                                                                                            goroutine 1 [running]:                                                          main.main()                                                                             ./main.go:64 +0x47d                                                     admin@i-0e1a3ad942e59d79e:~$ strace                                             

admin@i-07093ab6abb78f705:~$ nc localhost 5000                                  

   12  2025-02-06T12:08:17 curl localhost:5000                                     13  2025-02-06T12:08:20 ls                                                      14  2025-02-06T12:08:23 cat webserver.py                                        15  2025-02-06T12:08:31 ls -la                                                  16  2025-02-06T12:08:49 history                                              admin@i-06266520ce0c16bec:~$ sudo su                                                                                                                            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:                                                      

write(2, "  -v\tVerbose mode (print extra i"..., 37  -v Verbose mode (print extr) = 37                                                                          write(2, "  -verbose\n    \tVerbose mode (pr"..., 48  -verbose                          Verbose mode (print extra info)                                         ) = 48                                                                          exit_group(2)                           = ?                                     +++ exited with 2 +++                                                           admin@i-0e235312469363df1:~$ strace ./kihei -o output.txtstrace -o output.txt ./admin@i-0e235312469363df1:~$ strace -o output.txt ./kihei                       panic: exit status 1                                                                                                                                            goroutine 1 [running]:                                                          main.main()                                                                             ./main.go:64 +0x47d                                                     admin@i-0e235312469363df1:~$ cat output.tx                                      

nvme0n1      259:0    0    8G  0 disk                                           ├─nvme0n1p1  259:1    0  7.9G  0 part /                                         ├─nvme0n1p14 259:4    0    3M  0 part                                           └─nvme0n1p15 259:5    0  124M  0 part /boot/efi                                 nvme1n1      259:2    0    1G  0 disk                                           nvme2n1      259:3    0    1G  0 disk                                           admin@i-0dfc03c672b434eed:~$ pvcreate /dev/nvme1n1                                WARNING: Running as a non-root user. Functionality may be unavailable.          /run/lock/lvm/P_global:aux: open failed: Permission denied                    admin@i-0dfc03c672b434eed:~$ sudo pvcreate /dev/nvme1n1                           Physical volume "/dev/nvme1n1" successfully created.                          admin@i-0dfc03c672b434eed:~$ pvs                                                  WARNING: Running as a non-root user. Functionality may be unavailable.          /run/lock/lvm/P_global:aux: open failed: Permission denied                    admin@i-0dfc03c672b434eed:~$ sudo pvs                                           

admin@i-0888e336bb63f4e82:~$ stra                                               

total 44                                                                        -rw-r--r-- 1 admin admin  807 Aug  4  2021 .profile                             -rw-r--r-- 1 admin admin 3526 Aug  4  2021 .bashrc                              -rw-r--r-- 1 admin admin  220 Aug  4  2021 .bash_logout                         drwxr-xr-x 3 root  root  4096 Sep 17  2023 ..                                   drwx------ 2 admin admin 4096 Sep 17  2023 .ssh                                 drwx------ 3 admin admin 4096 Sep 20  2023 .ansible                             drwxr-xr-x 3 admin admin 4096 Sep 20  2023 .config                              -rwxrwx--- 1 root  root   360 Sep 24  2023 webserver.py                         drwxr-xr-x 6 admin admin 4096 Sep 24  2023 .                                    drwxr-xr-x 2 admin root  4096 Sep 24  2023 agent                                -rw------- 1 admin admin  641 Feb  5 20:33 .bash_history                        admin@i-03c39b2616f8de2c3:~$ cat /etc/sudoers                                   cat: /etc/sudoers: Permission denied                                            admin@i-03c39b2616f8de2c3:~$ cd /etc/ng