this post was submitted on 28 Jul 2023
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My home lab has a mild amount of complexity and I'd like practice some good habits about documenting it. Stuff like, what each system does, the OS, any notable software installed and, most importantly, any documentation around configuration or troubleshooting.

i.e. I have an internal SMTP relay that uses a letsencrypt SSL cert that I need to use the DNS challenge to renew. I've got the steps around that sitting in a Google Doc. I've got a couple more google docs like that.

I don't want to get super complicated but I'd like something a bit more structured than a folder full of google docs. I'd also like to pull it in-house.

Thanks

Edit: I appreciate all the feedback I've gotten on this post so far. There have been a lot of tools suggested and some great discussion about methods. This will probably be my weekend now.

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[–] [email protected] 3 points 1 year ago* (last edited 1 year ago)

This seems pretty vanilla based on what other have suggested but I use regular markdown files in a git repo.

For data flows or diagrams, mermaidJS syntax within the markdown file works wonders and when I need to link one document to another or one section to another, you can use the normal link syntax of markdown.

Easy to use, hardly any setup and easily accessible.

[–] [email protected] 3 points 1 year ago (1 children)

I know that I would keep forgetting to update the docs, so my documentation are the ansible playbooks and docker-compose.yaml files that I use to set it all up.

That leaves anything that has to be done in some Ui undocumented, so I try to keep that to a minimum, which isn't always easy (I'm looking at you authentik!).

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[–] [email protected] 3 points 1 year ago

I use logseq to record any manual steps as well as any administrative actions that I take on a service. That being said, all of my homelan infrastructure is codified and stored in git in various ways so, it can be recreated as needed. There are very few manual steps in reconfiguring any of my services.

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

I have a git repo for it, needless to say. And so README.md plus a network diagram from https://app.diagrams.net/

[–] [email protected] 2 points 1 year ago

Any chance you wouldn't mind sharing the SSL renewal doc? Redacted of course. Mine is coming up and I'd like to do it correctly this time. :)

[–] [email protected] 2 points 1 year ago

I'm using anytype.io, it's been pretty neat so far.

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

I run a local MediaWiki appliance from turnkeylinux, super easy to spin up in proxmox.

[–] [email protected] 2 points 1 year ago (2 children)

Why not push it up to GitHub? Then you also get a commit history to see your changes overtime.

[–] [email protected] 2 points 1 year ago (2 children)

Wow that sounds convinient, where can i find a guide describing this? Has zero experience with git 😅

[–] [email protected] 2 points 1 year ago

There are tons of tutorials around, but the basic gist is that you only use a couple of commands (or even a good frontend) in git, especially when it's a one (wo)man show.

I highly recommend it!

[–] [email protected] 1 points 1 year ago

Gotcha. Git is useful in so many way, but it can be confusing to learn. I don’t have a guide on hand but searching for ‘getting started with git’ will get you pretty far.

Another great way to do this that I just thought of this second is using Notion. It is in markdown.

[–] [email protected] 1 points 1 year ago

Seems a lot of people are doing that.

[–] [email protected] 2 points 1 year ago (1 children)

Comments inside the docker-compose.yml files?

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[–] [email protected] 2 points 1 year ago

Hackmd.io for simple markdown docs.

[–] [email protected] 2 points 1 year ago (2 children)

I deploy as much as I possibly can via Ansible. Then the Ansible code serves as the documentation. I also keep the underlying OS the same on all machines to avoid different OS conventions. All my machines run Debian. The few things I cannot express in Ansible, such as network topology, I draw a diagram for in draw.io, but that's it.

Also, why not automate the certificate renewal with certbot? I have two reverse proxies and they renew their certificates themselves.

[–] [email protected] 1 points 1 year ago (4 children)
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[–] [email protected] 1 points 1 year ago (1 children)

My reverse proxy can do automated renewal just fine. The SMTP relay requires a DNS challenge that is manual.

[–] [email protected] 2 points 1 year ago (1 children)

Why not have the reverse proxy also do renewal for the SMTP relay certificate and just rsync it to the relay? For a while I had one of my proxies do all the renewals and the other would rsync it.

[–] [email protected] 1 points 1 year ago

It certainly wouldn't be because I've been doing it this way for so long that it never occurred to me. Nope. Certainly not that.


In fairness, I very recently switched from a cobbled together apache web server/rev proxy config I've been carrying along in some form for well over a decade (I remember converting the config to 2.4), to an NPM container. I had some initial trouble switching my certs over to NPM and haven't revisited that yet.

I'm in the middle of a major overhaul of my tech stack. Fixing certs is on my short list.

Thanks for pointing out where I was stuck in my ways.

[–] [email protected] 2 points 1 year ago (1 children)

I use bookstack. Simple selfhosted wiki.

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[–] [email protected] 1 points 1 year ago

Some stuff is in Joplin, some stuff is in wiki.js. Joplin lacks organization features. Wiki.js stores stuff in database and has problems with search, both are possible to fix, I believe...

Occasionally I remember about problems with this setup, but I'm too lazy to fix or replace it

[–] [email protected] 1 points 1 year ago (4 children)

The only thing I save in Google Drive are my notes just in case of disaster.

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