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Table of Contents

Server Setup
Security
Install additional Apps

Setup

Server Setup

Login to the server via SSH as root

Install sudo, create the main user, and add him to the sudoers group

# apt install sudo
# adduser <user>
# vi /etc/group (add <user> to line "sudo:x:27:<user>")

(VPS) change the machine name:

sudo edit /etc/hostname
sudo edit /etc/hosts

enable force_color_prompt=yes in file ~/.bashrc
copy /home/user/.bashrc to /root and modify PS1 prompt color (32m –> 31m)

Security

Configure SSH Access
Install UFW Firewall

Disable root login by changing file /etc/passwd from line 1 to line 2

root:x:0:0:root:/root:/bin/bash
root:x:0:0:root:/root:/sbin/nologin

Install additional Apps

```
# apt install vim
```
```
# apt install zip
```