Frappe
20 articlesBuilding on the Frappe framework and ERPNext: bench operations, hooks, custom pages and views, reports, client scripts, query patterns, and testing.
Browse FrappeNotes from the field
This is the knowledge our team uses every day, written down. Every article comes from real work on real systems: the command we needed at 2 a.m., the fix that finally stuck, the pattern we reach for again and again.
Looking for something specific? Search every article by title, topic, or command. Results update as you type.
↵select↑↓navigateescclose
Start with:
Browse by section
Every article is written by the Avunu team and checked against the versions it applies to.
ERPNext
8 articlesEveryday how-tos for the people who use ERPNext, not just the people who build on it: the client portal, timers, e-signatures, texting, print mail, banking and billing.
- Using the client project portal
- Track time and hour budgets with Task View
- Clean up customers, contacts, and addresses in ERPNext
Odoo
7 articlesImplementation and development notes from our Odoo practice: Community and OCA modules, workflow design, QuickBooks migration, testing, and our open-source addons.
- Odoo Community and OCA overview
- Set up and work in an Odoo 18 development environment with odoo-nix
- A repair shop workflow on Odoo 18, from inspection to invoice
WordPress
10 articlesThemes, custom post types, WP-CLI, cron, caching, and database tuning, plus a Gravity Forms recipe.
- Register custom block styles in a classic theme
- Split a child theme's functions.php into included files
- Admin-only custom post types with custom list columns
NixOS
13 articlesHow we run Frappe, Odoo, and WordPress on declarative, reproducible infrastructure: our open-source Nix projects and a self-hosting reference architecture.
- Why Nix for business systems
- Set up a reproducible Frappe development environment with frappe-nix
- Build production images with frappe-nix
Business email without SMTP or IMAP: the Cloudflare Email suite for Frappe, Odoo and WordPress, from setup to relay deployment and troubleshooting.
- Email without SMTP for business systems
- Send and receive Odoo email through Cloudflare
- Send and receive Frappe and ERPNext email through Cloudflare
Linux
9 articlesServer administration notes: systemd units, swap, WireGuard, nginx, mail queues, and handy shell one-liners.
- Swap Configuration
- Mount a Drive with a systemd Mount Unit
- Switch Commands with update-alternatives and sudo-rs
Databases
3 articlesMariaDB and MySQL: a working cheatsheet, storage engine conversions, and emergency recovery.
- MariaDB and MySQL Cheatsheet
- Recover Data from a MariaDB Server That Won't Start
- Convert Tables to a Different Storage Engine
Containers
4 articlesDocker essentials, Cloudflare Tunnel in a container, macvlan networking, and pulling software out of an image.
Browse ContainersProxmox
1 articleRunning Proxmox VE hosts: installing, pinning and configuring kernels.
Browse ProxmoxGit & Dev Tools
3 articlesGit, editor, and browser tricks that make day-to-day development faster.
- Git Cheatsheet
- VS Code Regex Search Recipes
- List a Page's Custom JavaScript Globals with a Bookmarklet
Recently updated
It's the same knowledge base we work from internally, so it gets updated as we learn.
A NixOS micro desktop for family and friends
What the nixos-micro-desktop flake is, who it suits, how to install it, how to pick one of its three desktop shells, and how it keeps itself updated.
NixOS
Reference architecture for self-hosting business systems on NixOS
A reference pattern for hosting ERP, CMS and similar apps on bare-metal NixOS with Nomad, systemd-nspawn, Cloudflare Tunnel, ZFS and JuiceFS, no Kubernetes.
NixOS
Set up a reproducible Frappe development environment with frappe-nix
Use the frappe-nix flake to run a pinned, reproducible Frappe or ERPNext bench with devenv, uv2nix-managed Python, local services and development guard rails.
NixOS
Test custom Odoo modules from the command line
Install a custom Odoo module on a scratch database, run only its tests, avoid port clashes with a dev server, and write tests that keep passing after upgrades.
Odoo
Track time and hour budgets with Task View
Organize projects and tasks in the Task View tree, run timers that log to Timesheets, set hour budgets, and read the budget meters.
ERPNext
Using the client project portal
How clients follow and work on their projects in the ERPNext project portal, and how an admin gives a customer access to it.
ERPNext
Coming soon
We're writing up the areas we work in most but haven't published yet.
Spreadsheets
Advanced formulas for the spreadsheets that still run part of every business.
Browse SpreadsheetsWant to know when they land? Follow our Insights feed.
Yours to use, code samples included
Everything here is in the public domain (CC0 1.0), code samples included. Use it however helps you.
It's written by the Avunu team, checked against the versions it applies to, and published openly.
Need a hand?
Our notes can take you a long way, but sometimes you'd rather have someone who's done it before. Whether it's Frappe, Odoo, WordPress, or the servers underneath, we can help.