Preparing a Root-Server and install Docker-CE

This is my personal note list for preparing a root server. The list is not complete and may contain errors.

Network setup

• Install OS as usual or use image from Control Panel

Network setup

• Set/check fixed ip
• Set the “Reverse DNS” entry in Control Panel
• Add local user
  useradd <username>
usermod -aG sudo <username>
• Set hostname
  sudo hostnamectl set-hostname <hostname>
• Edit the /etc/hosts file
• Edit the /etc/cloud/cloud.cfg file if exists (preserve_hostname: false to true)

SSH

• Add pubkey to ~/.ssh/authorized_keys
• Disable SSH login with password and permit root login in /etc/ssh/sshd_config file

• Restart SSH Daemon
  service sshd restart

VIM

• VIM Color open ~/.vimrc and add
  colo desert
syntax on

Docker

• Install docker-cd here
• Install docker-compose here
• Install docker-compose command completion here
• add username to docker group (source)
  sudo usermod -aG docker $USER

Traefik

• TBD

fail2ban

• Update repos and upgrade system
  sudo apt-get update
sudo apt-get upgrade
• Install fail2ban with sudo apt-get install fail2ban
• Create config file /etc/fail2ban/jail.local and add a jail for the SSH Deamon