/vps-initial

VPS Initial setup instructions (Arch Linux)

A set of instructions / commands to quickly bring an Arch Linux VPS back to operational from baseline re-install.

System-wide update & basic extra utilities install

# as root
pacman -Syu
pacman -S bash-completion htop vnstat exa

Enable ufw firewall and opening SSH Limited port

pacman -S ufw
ufw allow SSH
ufw limit SSH

Add and enable new user (crucial, as next step is to disable root login).

# as root
useradd -m -G wheel <username>
passwd <username>
visudo

uncomment %wheel ALL=(ALL) ALL line

Disable root account and disable root login for SSH

$ as a regular user
sudo passwd -l root

Modify /etc/ssh/sshd_config file and change PermitRootLogin directive to no. Also, you can modify Port directive(s) to change/add SSH listening ports.

sudo vim /etc/ssh/sshd_config

Set git credential cache to 60 minutes and add basic user info to git config global file

git config --global credential.helper 'cache --timeout=3600'
git config --global user.name "Your Name Comes Here"
git config --global user.email you@yourdomain.example.com

Change the hostname

sudo hostnamectl set-hostname <new hostname>
sudo hostnamectl set-icon-name <new hostname>

Install dotfiles repository

git clone https://github.com/gbursson/dotbot ~/dotfiles
rm .bashrc
cd dotfiles/
./install

Install Git Prompt

git clone https://github.com/magicmonty/bash-git-prompt.git ~/.bash-git-prompt --depth=1

Docker install and setup

$ as user
sudo pacman -S docker docker-compose
sudo usermod -aG docker <username>
sudo systemctl enable docker