admin@i-08b5e9edc7abcbde1:~$ ps -a                                                  PID TTY          TIME CMD                                                       661 pts/0    00:00:00 asciinema                                                 664 pts/0    00:00:00 asciinema                                                 666 pts/1    00:00:00 bash                                                      735 pts/1    00:00:00 ps                                                    admin@i-08b5e9edc7abcbde1:~$ ls                                                 agent  data  datafile  kihei                                                    admin@i-08b5e9edc7abcbde1:~$ cd data/                                           admin@i-08b5e9edc7abcbde1:~/data$ ls                                            admin@i-08b5e9edc7abcbde1:~/data$ cd ..                                         admin@i-08b5e9edc7abcbde1:~$ truncate                                           truncate: you must specify either ‘--size’ or ‘--reference’                     Try 'truncate --help' for more information.                                     admin@i-08b5e9edc7abcbde1:~$ truncate                                           

  Physical volume "/dev/nvme1n1" successfully created.                            Physical volume "/dev/nvme2n1" successfully created.                          root@i-0353e493b4516ec3d:~# lsblk -l                                            NAME       MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT                                  nvme1n1    259:0    0    1G  0 disk                                             nvme0n1    259:1    0    8G  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                                   nvme2n1    259:5    0    1G  0 disk                                             root@i-0353e493b4516ec3d:~# vgcreate vg /dev/nvme1n1 /dev/nvme2n1                 Volume group "vg" successfully created                                        root@i-0353e493b4516ec3d:~# lvcreate -n lv -l 100%FREE vg                         Logical volume "lv" created.                                                  root@i-0353e493b4516ec3d:~#                                                     

    #2) Think before you type.                                                      #3) With great power comes great responsibility.                                                                                                            [sudo] password for admin:                                                      Sorry, try again.                                                               [sudo] password for admin:                                                      sudo: 1 incorrect password attempt                                                                                                                              admin@i-0655e749fb08db274:~$ passwd admin                                       Changing password for admin.                                                    Current password:                                                               passwd: Authentication token manipulation error                                 passwd: password unchanged                                                      admin@i-0655e749fb08db274:~$ ^C                                                 admin@i-0655e749fb08db274:~$ sudo netstat -ltnp                                 

admin        695  0.1  3.0  24456 14368 pts/0    R<+  20:14   0:00 /usr/bin/pythadmin        696  0.0  0.1   2480   508 pts/1    S<s  20:14   0:00 sh -c /bin/baadmin        697  0.1  0.9   6820  4564 pts/1    S<   20:14   0:00 /bin/bash    admin        705  0.0  0.6   8648  3220 pts/1    R<+  20:14   0:00 ps aux       admin@i-06d8a1ea39f24c764:~$ netstat -nltp                                      (Not all processes could be identified, non-owned process info                   will not be shown, you would have to be root to see it all.)                   Active Internet connections (only servers)                                      Proto Recv-Q Send-Q Local Address           Foreign Address         State       tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      tcp        0      0 127.0.0.1:5000          0.0.0.0:*               LISTEN      tcp6       0      0 :::6767                 :::*                    LISTEN      tcp6       0      0 :::8080                 :::*                    LISTEN      tcp6       0      0 :::22                   :::*                    LISTEN      admin@i-06d8a1ea39f24c764:~$                                                    

admin@i-0b60297d6f837b165:~$ curl localhost:5000                                Unauthorizedadmin@i-0b60297d6curl --user-agent "whatever" localhost:5000calhost:Welcome! Password is FDZPmh5AX3oiJtadmin@i-0b60297d6f837b165:~$ echo "FDZPmh5AX3

main.main()                                                                             ./main.go:64 +0x47d                                                     admin@i-0d4b0d36217ba962c:~$ mv datafile.tmp ../                                mv: cannot move 'datafile.tmp' to '../datafile.tmp': Permission denied          admin@i-0d4b0d36217ba962c:~$ cd ..                                              admin@i-0d4b0d36217ba962c:/home$ ll                                             bash: ll: command not found                                                     admin@i-0d4b0d36217ba962c:/home$ ls                                             admin                                                                           admin@i-0d4b0d36217ba962c:/home$ ls -lah                                        total 12K                                                                       drwxr-xr-x  3 root  root  4.0K Sep 17 16:44 .                                   drwxr-xr-x 18 root  root  4.0K Nov 12 17:47 ..                                  drwxr-xr-x  7 admin admin 4.0K Nov 12 17:49 admin                               admin@i-0d4b0d36217ba962c:/home$                                                

=5,direct,pipe_ino=807)                                                         hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)            mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)             debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)     tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)   fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatimconfigfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)  /dev/nvme0n1p15 on /boot/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepaortname=mixed,utf8,errors=remount-ro)                                           admin@i-08f29920237256d8d:~$ free -m                                                           total        used        free      shared  buff/cache   availableMem:             455          73         213           0         168         369Swap:              0           0           0                                    admin@i-08f29920237256d8d:~$ man strace                                         admin@i-08f29920237256d8d:~$ strace ./kihei                                     

admin@i-0d41005ee6c018f55:~$ curl -A " "                                        

admin@i-0818d697d208b1976:~$ ls                                                 agent  webserver.py                                                             admin@i-0818d697d208b1976:~$ *                                                  bash: agent: command not found                                                  admin@i-0818d697d208b1976:~$                                                    

rm: cannot remove 'libmpfr6_4.1.0-3_amd64.deb': Permission denied               rm: cannot remove 'libpython3.9_3.9.2-1_amd64.deb': Permission denied           rm: cannot remove 'libsource-highlight-common_3.1.9-3_all.deb': Permission denierm: cannot remove 'libsource-highlight4v5_3.1.9-3+b1_amd64.deb': Permission denirm: cannot remove 'libunwind8_1.3.2-2_amd64.deb': Permission denied             rm: cannot remove 'lock': Permission denied                                     rm: cannot remove 'lsof_4.93.2+dfsg-1.1_amd64.deb': Permission denied           rm: cannot remove 'lua-lpeg_1.0.2-1_amd64.deb': Permission denied               rm: cannot remove 'lvm2_2.03.11-2.1_amd64.deb': Permission denied               rm: cannot remove 'nmap-common_7.91+dfsg1+really7.80+dfsg1-2_all.deb': Permissiorm: cannot remove 'nmap_7.91+dfsg1+really7.80+dfsg1-2_amd64.deb': Permission denrm: cannot remove 'partial': Permission denied                                  rm: cannot remove 'strace_5.10-1_amd64.deb': Permission denied                  rm: cannot remove 'thin-provisioning-tools_0.9.0-1_amd64.deb': Permission deniedadmin@i-0f67f02eee8a35fb3:/var/cache/apt/archives$ sudo rm                      

        void runtime.(*addrRanges).removeGreaterEqual;                                  void runtime.(*addrRanges).removeLast;                                          void runtime.addrRange.removeGreaterEqual(runtime.addrRange, uintptr, ru        void runtime.addrRange.subtract(runtime.addrRange, runtime.addrRange, ru        void runtime.makeAddrRange(uintptr, uintptr, runtime.addrRange);                                                                                        File runtime/mspanset.go:                                                               void runtime.(*headTailIndex).incTail;                                          void runtime.(*spanSet).pop;                                                    void runtime.(*spanSet).push;                                                   void runtime.(*spanSet).reset;                                                  void runtime.(*spanSetBlockAlloc).alloc;                                                                                                                File runtime/mstats.go:                                                         --Type <RET> for more, q to quit, c to continue without paging--                

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-0cd15b190b867f346:~$ touch data/newdatafile                             admin@i-0cd15b190b867f346:~$ chmod 444 datan                                    

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-002e45113dda7d71f:~$ strace ./kihei                                     

              argument should not have this leading character.                                                                                                                Added in 7.53.0.                                                                                                                                         --alt-svc <file name>                                                                  (HTTPS) WARNING: this option is experimental. Do not use in produc                                                                                              This  option  enables  the  alt-svc parser in curl. If the file na              alt-svc cache file, that will be used. After a completed transfer,              to the file name again if it has been modified.                                                                                                                 Specify a "" file name (zero length) to avoid loading/saving and m              cache in memory.                                                                                                                                   Manual page curl(1) line 149 (press h for help or q to quit)