https://blog.margrop.net/en/tag/docker-ce/ Recent content in Docker-CE on Margrop Blog Hugo -- gohugo.io en-US Tue, 26 May 2026 10:00:00 +0800 https://blog.margrop.net/en/post/ubuntu-2604-docker-install-guide/ Tue, 26 May 2026 10:00:00 +0800 https://blog.margrop.net/en/post/ubuntu-2604-docker-install-guide/ <blockquote> <p><strong>Foreword</strong></p> <p>With the official release of Ubuntu 26.04 LTS (Resolute Raccoon), developers and system administrators worldwide are upgrading their development, testing, and production environments to this long-term support version. However, setting up Docker—the cornerstone of modern containerization and microservices architecture—on a brand-new LTS release can sometimes present unexpected friction.</p> <p>If you are still relying on legacy commands like <code>apt-get install docker.io</code>, or copy-pasting outdated tutorials meant for Ubuntu 20.04 or 22.04, you are likely to run into issues. These issues range from outdated software packages to APT repository format mismatches (especially with the widespread adoption of the new DEB822 format), or network timeouts when pulling images from container registries in restricted environments.</p> <p>This article provides a comprehensive, step-by-step, and highly detailed guide to installing Docker Community Edition (Docker CE) on Ubuntu 26.04 LTS. We will delve into modern DEB822 repository configurations, non-root system privilege separation, systemd service tweaks, and advanced network acceleration (both HTTP/HTTPS proxies and private registry mirrors).</p> </blockquote>