os-ubuntu SKILL.md skillA
os-ubuntu from muvon/octomind-tap is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add muvon/octomind-tap/os-ubuntu@git:20261013.a69e0bbPins git:20261013.a69e0bb in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- muvon/octomind-tap
- Path
skills/os-ubuntu/SKILL.md- Versions recorded
- 2
- Latest version
- git:20261013.a69e0bb, committed Oct 13, 2026
- First version recorded
- Sep 5, 2026
- Size
- 7,963 bytes
- Repository stars
- 6
- License
- Apache-2.0
Diagnose and maintain Ubuntu systems: LTS support, APT repositories, phased updates, Netplan, package isolation, service persistence, and release upgrades.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
## Overview Operate the installed Ubuntu release using its supported repositories and management tools. Baseline checked 2026-10-12: Ubuntu 26.04 LTS “Resolute Raccoon” is current; interim 26.10 “Stonking Stingray” is scheduled for 2026-10-15 with nine months of support. Recheck release status before lifecycle decisions. Read `/etc/os-release`, package architecture, image definition, and repository configuration. Apply [shared Linux guidance](../os-linux/SKILL.md) for host/container boundaries and general service diagnostics. ## Mental model Ubuntu release, kernel flavour, package channel, and subscription coverage are independent. A newer HWE kernel does not upgrade the userspace release. An Ubuntu container may share another distribution's kernel and lack systemd. Diagnose the running service and its persistent configuration separately from installed package state. ## Releases and coverage - LTS releases receive five years of standard security maintenance; interim releases receive nine months. Ubuntu 26.04 LTS has standard maintenance through May 2031. An LTS point release refreshes media and accumulated updates; it is not a new release series. …
Read the whole file at its exact version.
How to install
mdr add muvon/octomind-tap/os-ubuntu@sha256:a2767b2678de9aafThe line at the top of this page pins the label git:20261013.a69e0bb, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_g3rv65okxmy6lzdu)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Sep 5, 2026 and Oct 13, 2026, about one every 38 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261013.a69e0bb latest | 2026-10-13 | a69e0bb | 7,963 B | A | view · diff |
| git:20260905.c6d4efe | 2026-09-05 | c6d4efe | 7,868 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (7963 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
muvon/octomind-tap · 6 stars · license Apache-2.0 · pushed 2026-11-08 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_g3rv65okxmy6lzdu GET https://markdownregistry.com/api/v1/resolve?ref=muvon/octomind-tap/os-ubuntu GET https://markdownregistry.com/api/v1/blob/a2767b2678de9aaf1b78d9ca1ca050f1eb307f12651374f53cc1d3bd5c7eae2c
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.