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-0282bc52555020bf6:~$                                                    

        ./main.go:64 +0x47d                                                     admin@i-012a3c759519cd682:~$ cd /home/admin/                                    admin@i-012a3c759519cd682:~$ ls                                                 agent  data  datafile  kihei                                                    admin@i-012a3c759519cd682:~$ ls -li                                             total 5245048                                                                   264663 drwxr-xr-x 2 admin root       4096 Sep 17 17:28 agent                    278531 drwxr-xr-x 2 admin root       4096 Dec 11 16:09 data                     264701 -rw-r--r-- 1 root  root 5368709120 Sep 17 17:28 datafile                 264672 -rwxr-xr-x 1 admin root    2207109 Sep 17 17:28 kihei                    admin@i-012a3c759519cd682:~$ sudo chown admin.root datafile                     admin@i-012a3c759519cd682:~$ ls -li^C                                           admin@i-012a3c759519cd682:~$ ./kh                                               bash: ./kh: No such file or directory                                           admin@i-012a3c759519cd682:~$ ./kh                                               

usage: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-D directory] [-g group] [            [<command>]                                                         usage: sudo -e [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g group] [-admin@i-02474f300d2196640:~$ 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:                                                      sudo: a password is required                                                    admin@i-02474f300d2196640:~$ curl localh                                        

File Patterns                                                                 -------------                                                                                                                                               In most cases when you have to specify a file name or directory name, you can>                                                                                      Delete any file in the current directory                                      /files$ rm *                                                                                                                                                Delete any file that ends in '.txt'                                           /files$ rm *.txt                                                                                                                                            Delete any file that starts with 'data'                               File Name to Write: cheatsheet.md                                             ^G Help            M-D DOS Format     M-A Append         M-B Backup File      ^C Cancel          M-M Mac Format     M-P Prepend        ^T Browse