Debian Server Setup

May 13, 2023

In this post I describe how I set up my Debian servers. This is less of a tutorial and more of a documentation for me.

Basic setup

# install basic tools
apt install neofetch neovim

# add user
adduser username
usermod -aG sudo username

# copy ssh keys
mkdir -p /home/username/.ssh
cp .ssh/authorized_keys /home/username/.ssh/authorized_keys
chown username:username /home/username/.ssh/authorized_keys

Configure SSH by opening /etc/ssh/sshd_config and setting the following settings:

PermitRootLogin no
PasswordAuthentication no

Restart SSH daemon: systemctl reload sshd. After that you can logout as root and login again with username.

Install docker

Follow this guide.

Create a docker group and add user(s) to it (see here):

groupadd docker
usermod -aG docker username

Test this by running docker run hello-world as user username.

Further stuff

Generate SSH key for server:

ssh-keygen -t ed25519 -C "hostname.tld"

For more information on SSH keys see here