Enumeration

ssh -i id_rsa_michael [email protected]
Linux trick 4.19.0-20-amd64 #1 SMP Debian 4.19.235-1 (2022-03-17) x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
michael@trick:~$ whoami
michael
michael@trick:~$ uname -a
Linux trick 4.19.0-20-amd64 #1 SMP Debian 4.19.235-1 (2022-03-17) x86_64 GNU/Linux
michael@trick:~$ sudo -l
Matching Defaults entries for michael on trick:
    env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin

User michael may run the following commands on trick:
    (root) NOPASSWD: /etc/init.d/fail2ban restart
michael@trick:~$ id
uid=1001(michael) gid=1001(michael) groups=1001(michael),1002(security)

Finding files that michael has access to:

find / -user michael | less

After that use &+! to enter Non-Match and type file path that we want to ignore, for example: \/var\/www.

Nothing interesting there.