LTS on Margrop Blog

One sentence let Claude upgrade Ubuntu 22.04 to 24.04: a near-zero-screen-time cross-LTS run

Fri, 19 Jun 2026 10:58:00 +0800

TL;DR

A remote home-lab box had been sitting on Ubuntu 22.04.4 LTS (jammy, kernel 5.15) for a long time. After one sentence — “upgrade the box at 192.168.103.182 to Ubuntu 24.04” — Claude opened a tmux session to babysit the run, brought up a fallback sshd on port 1022 so a mid-upgrade sshd restart would not strand me, then drove do-release-upgrade -f DistUpgradeViewNonInteractive end to end. Twenty-five minutes later the host came back: kernel 6.8.0-124, every service still listening.

This is not a tutorial on do-release-upgrade; the Ubuntu docs already cover that. This is about what an Agent does once it gets an SSH handle on a box, why it does each step, and which pitfalls you have to clear out of the way before letting it loose.

Stop Using Old Methods! Deploying the Latest Docker CE on Ubuntu 26.04 LTS with Ultra-fast Mirror Setup

Tue, 26 May 2026 10:00:00 +0800

Foreword

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.

If you are still relying on legacy commands like apt-get install docker.io, or copy-pasting outdated tutorials meant for Ubuntu 20.04 or 22.04, you are likely to run into issues. These issues range from outdated software packages to APT repository format mismatches (especially with the widespread adoption of the new DEB822 format), or network timeouts when pulling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.

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).

Ubuntu 26.04 Upgrade Guide: Let an Agent Do It, or Run It by Hand

Tue, 12 May 2026 07:30:00 +0800

The short version

Upgrading Ubuntu 22.04 or 24.04 to Ubuntu 26.04 is not about memorizing one command. It is about following the supported upgrade path. Ubuntu 22.04 LTS should not be jumped directly to Ubuntu 26.04 LTS. Upgrade 22.04 LTS to 24.04 LTS first, then move from 24.04 LTS to 26.04 LTS. As of 2026-05-12, Ubuntu 26.04 LTS has already been released, but the normal LTS-to-LTS upgrade prompt from 24.04 LTS to 26.04 LTS is typically enabled after the first point release. The official 26.04 schedule lists the 26.04.1 point release on 2026-07-09. Production systems should usually wait for the regular upgrade path; test systems can evaluate an early upgrade only with explicit risk acceptance.

If you already use agents such as Code, Claude, OpenClaw, HermesAgent, Codex, or OpenCode, this is a good task to delegate. But do not just say “upgrade Ubuntu.” Give the agent a bounded job: inspect first, back up, follow the supported path, keep logs, ask before risky choices, reboot, verify services, and report evidence. This article gives both a ready-to-copy agent prompt and a manual procedure.

All examples in this article are generic. No private hostnames, internal addresses, accounts, credentials, tokens, business system names, or personal paths are included. Replace placeholders such as <HOST>, <SERVICE>, and <BACKUP_DIR> with values from your own environment.