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Software Installation ubuntudebian beginner

Install Docker

One-click install Docker CE

Overview

One-click install Docker CE

Commands

This will install Docker CE, continue?

sudo apt-get update
sudo apt-get install -y ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] 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-get update && sudo apt-get install -y docker-ce docker-ce-cli containerd.io
sudo systemctl enable --now docker

Use Cases

Containerized application deployment, CI/CD environment setup, microservice architecture.

Prerequisites

64-bit system; kernel >= 3.10; Ubuntu 20.04+ recommended.

FAQ

  • GPG key download failed → check the network, consider using a domestic mirror
  • Docker failed to start → sudo systemctl status docker to check the logs
  • Restart Docker
  • Clean Up Docker Disk