Created
November 20, 2025 04:48
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Easy script to install docker on ubuntu machine.
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| #!/bin/bash | |
| # Ensure script is run as root | |
| if [ "$EUID" -ne 0 ]; then | |
| echo "❌ Please run this script as root (use sudo)." | |
| exit 1 | |
| fi | |
| export DEBIAN_FRONTEND=noninteractive | |
| # === Argument Parsing === | |
| FORCE_INSTALL=false | |
| FORCE_UNINSTALL=false | |
| for arg in "$@"; do | |
| case "$arg" in | |
| --force) | |
| FORCE_INSTALL=true | |
| ;; | |
| --uninstall) | |
| FORCE_UNINSTALL=true | |
| ;; | |
| *) | |
| echo "❌ Unknown argument: $arg" | |
| echo "Usage: $0 [--force] [--uninstall]" | |
| exit 1 | |
| ;; | |
| esac | |
| done | |
| # === Docker Uninstall Function === | |
| uninstall_docker() { | |
| echo "🗑️ Removing Docker..." | |
| apt-get remove -yqq docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin | |
| rm -rf /var/lib/docker /etc/docker | |
| echo "✅ Docker has been completely removed." | |
| exit 0 | |
| } | |
| # === Fast Uninstall Mode === | |
| if [ "$FORCE_UNINSTALL" = true ]; then | |
| uninstall_docker | |
| fi | |
| # === Interactive Menu === | |
| if [ "$FORCE_INSTALL" = false ]; then | |
| while true; do | |
| echo "🔧 Docker Installation Menu:" | |
| echo "1️⃣ Install Docker" | |
| echo "2️⃣ Uninstall Docker" | |
| echo "3️⃣ Exit" | |
| read -p "👉 Enter your choice: " choice | |
| case $choice in | |
| 1) break ;; | |
| 2) uninstall_docker ;; | |
| 3) echo "🚫 Exiting..."; exit 0 ;; | |
| *) echo "❌ Invalid input! Please select 1, 2, or 3." ;; | |
| esac | |
| done | |
| else | |
| echo "✅ Force install mode enabled. Proceeding with Docker installation..." | |
| fi | |
| # === Docker Installation === | |
| echo "🔄 Updating system packages..." | |
| apt-get update -qq | |
| echo "📦 Installing required dependencies..." | |
| apt-get install -yqq --no-install-recommends ca-certificates curl gnupg | |
| echo "🔑 Setting up Docker GPG key..." | |
| install -m 0755 -d /etc/apt/keyrings | |
| curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc | |
| chmod a+r /etc/apt/keyrings/docker.asc | |
| echo "📦 Adding Docker repository..." | |
| echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null | |
| echo "🔄 Updating package list (Docker repo added)..." | |
| apt-get update -qq | |
| echo "🐳 Installing Docker (CE, CLI, Containerd, Buildx, Compose)..." | |
| apt-get install -yqq --no-install-recommends docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin | |
| echo "🔄 Enabling and starting Docker service..." | |
| systemctl enable --now docker | |
| echo "👤 Adding current user to the Docker group..." | |
| usermod -aG docker $SUDO_USER | |
| echo "🔔 Please log out and log back in for Docker group changes to take effect." | |
| echo "🚀 Verifying Docker installation..." | |
| docker run --rm hello-world | |
| echo "🎉 Docker installation complete! Run 'docker -v' to verify." |
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