Apt on Margrop Blog

Stop Clicking Update One App at a Time: Let an Agent Upgrade Common Software on Windows 11, Ubuntu 26.04, and macOS 26

Sun, 28 Jun 2026 08:58:00 +0800

Short version

Updating everyday software is painful not because the commands are impossible, but because the update sources are scattered across several worlds. Windows 11 has WinGet, Microsoft Store, and vendor installers. Ubuntu 26.04 has apt, snap, flatpak, and service restarts. macOS 26 has Software Update, App Store, Homebrew, and applications downloaded outside the store. A human can easily miss something. An AI Agent can help, but only if you give it boundaries.

My recommendation is to treat the Agent as an update operator: inventory first, dry-run second, execute third, verify last. This article provides three one-command scripts for Windows 11, Ubuntu 26.04, and macOS 26. They do not depend on third-party update assistants or cloud services. They call only built-in update tools and package managers already installed and configured on the machine. The examples contain no real private address, full computer name, private domain, token, or key.

Don't Rush After Installing Ubuntu 26.04 LTS! Swiftly Configure Domestic Mirrors (Huawei & Alibaba Cloud APT Sources DEB822 Tutorial)

Tue, 26 May 2026 21:00:00 +0800

TL;DR

Ubuntu 26.04 LTS (Resolute Raccoon) has officially been released. If you have just installed it, the very first thing you should do is replace the default APT sources with fast domestic mirror servers (such as Alibaba Cloud or Huawei Cloud). Note that starting from Ubuntu 24.04, the system has transitioned entirely to the new DEB822 format for APT source configurations (stored in /etc/apt/sources.list.d/ubuntu.sources), making the traditional /etc/apt/sources.list inactive by default.

This tutorial provides a step-by-step guide on how to safely change to Alibaba Cloud and Huawei Cloud mirrors in Ubuntu 26.04 LTS, along with deep troubleshooting analysis for potential pitfalls like dependency conflicts and version codename mismatches.

[Clickbait Alert] Switching to a Chinese Mirror Nearly Broke My Ubuntu: A Real Story of apt Dependency Hell

Sun, 17 May 2026 10:00:00 +0800

TL;DR

I switched to a domestic Chinese mirror for Ubuntu and thought it would take 10 minutes. It took two hours. This article documents the entire journey from “mirror sync delay causing version mismatch” to “dpkg forced downgrade” to “apt fully restored.” The core lesson: switching a mirror is not a one-click fix—version consistency is everything. If you swap mirrors on a system that’s been running for months, you have a 99% chance of hitting dependency conflicts.

All operations in this article are based on Ubuntu 26.04 (Plucky). All IPs, hostnames, and paths are sanitized examples and contain no internal network addresses or sensitive information.