Ubuntu Server Basic Setup

ubuntu-setup.sh

#!/bin/bash


function main() {

    # Create Non-Root User
    # read -rp "Create a new non-root user? [y/N] " flag_create_user
    # if [[ $createUser == [nN] ]]; then
    #     username=$(whoami)
    #     updateUserAccount "${username}"
    # elif [[ $createUser == [yY] ]]; then
    #     read -rp "Enter the username of the new user account: " username
    #     addUserAccount "${username}"
    # else
    #     echo 'Invalid choice!'
    #     exit 1
    # fi

    # Configuration
    read -rp "Prepare server for web hosting? [y/N] " flag_install_web
    read -rp "Prepare server for Python development? [y/N] " flag_install_python
    # if [[ $flag_install_web != [nN] ]]

    # Change SSH Port
    read -ep "SSH Port: " -i "7394" ssh_port
    sudo sed -i '/#Port 22/c\Port {{ ssh_port }}' /etc/ssh/sshd_config

    echo "Starting..."
    sudo apt update && sudo apt upgrade -y
    sudo apt install -y git curl ca-certificates python3 python3-dev

    setup_firewall
    install_zsh
    install_ftp
    if [[ $flag_install_web == [yY] ]]; then
        install_caddy
        install_docker
    fi
    if [[ $flag_install_python == [yY] ]]; then
        install_micromamba
    fi

    sudo apt install -y htop exa jq unzip
    # Bat
    # TODO: automate installation of bat
    # Zoxide and fzf
    curl -sS https://raw.githubusercontent.com/ajeetdsouza/zoxide/main/install.sh | bash
    git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
    ~/.fzf/install
    # Vim-Plug
    curl -fLo ~/.vim/autoload/plug.vim --create-dirs \
        https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
    # Antidote
    git clone --depth=1 https://github.com/mattmc3/antidote.git ${HOME}/.antidote
    # Dotbot
    git clone https://github.com/georgeyjm/dotfiles ${HOME}/.dotfiles
    chmod +x ${HOME}/.dotfiles/install
    ${HOME}/.dotfiles/install
    vim +'PlugInstall --sync' +qa

    echo "Done!"
}


function install_zsh() {
    # Oh My Zsh
    # This installation will exit the current shell and therefore the setup process
    # TODO: find a workaround
    sudo apt install -y zsh
    sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
}

function setup_firewall() {
    sudo ufw allow OpenSSH
    sudo ufw allow ${ssh_port}/tcp
    if [[ $flag_install_web == [yY] ]]; then
        sudo ufw allow http
        sudo ufw allow https
    fi
    sudo ufw enable
}

function install_ftp() {
    sudo apt install -y vsftpd
    sudo systemctl start vsftpd
    sudo systemctl enable vsftpd
}

function install_caddy() {
    sudo apt install -y debian-keyring debian-archive-keyring apt-transport-https
    curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | sudo gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg
    curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | sudo tee /etc/apt/sources.list.d/caddy-stable.list
    sudo apt update
    sudo apt install -y caddy

    # Setup web directory
    sudo mkdir -p /srv/www/html
    sudo chown -R $(whoami) /srv/www
}

function install_docker() {
    sudo install -m 0755 -d /etc/apt/keyrings
    sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
    sudo chmod a+r /etc/apt/keyrings/docker.asc
    echo \
      "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
      $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
      sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
    sudo apt update
    sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
}

function install_micromamba() {
    # "${SHELL}" <(curl -L micro.mamba.pm/install.sh)
    "/bin/zsh" <(curl -L micro.mamba.pm/install.sh)
}


main