===== Disable root SSH Login and Create sudo User ===== 
Edit /etc/ssh/sshd_config: 
<code bash>
vi /etc/ssh/sshd_config
</code>
Change:
<code bash>
PermitRootLogin yes
</code>
To:
<code bash>
PermitRootLogin no
</code>
Restart sshd:
<code bash>
systemctl restart sshd
</code>

Add new user:
<code bash>
useradd -d /home/<NEWUSER> -m <NEWUSER>
</code>
Change new user's password
<code bash>
passwd <NEWUSER>
</code>
Change default shell to bash:
<code bash>
chsh -s /bin/bash <NEWUSER>
</code>
Run visudo to add Full Sudo Privilege to the new user:
<code bash>
visudo
</code>
Add below to the end of the file:
<code bash>
<NEWUSER> ALL = NOPASSWD: ALL
</code>