HTB, Solidstate user and root pwn

Let’s jump in from the perspective of a scriptkiddy

Running Nmap gets the results below

 sudo nmap -sC -sV -v -T4 -sT <Target IP>

PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 7.4p1 Debian 10+deb9u1 (protocol 2.0)
| ssh-hostkey: 
| 2048 770084f578b9c7d354cf712e0d526d8b (RSA)
| 256 78b83af660190691f553921d3f48ed53 (ECDSA)
|_ 256 e445e9ed074d7369435a12709dc4af76 (ED25519)
25/tcp open smtp?
|_smtp-commands: Couldn't establish connection on port 25
80/tcp open http Apache httpd 2.4.25 ((Debian))
| http-methods: 
|_ Supported Methods: POST OPTIONS HEAD GET
|_http-server-header: Apache/2.4.25 (Debian) …

apache debian ecdsa ed25519 head header home htb http httpd infosec nmap openssh options perspective port protocol results root rsa server service smtp solid ssh state sudo target tcp