n/fairbuds.md: initial commit

n/fairbuds.md

@@ -0,0 +1,43 @@
+---
+layout: null
+permalink: /n/fairbuds.html
+redirect_from:
+  - /n/fairbudsxl.html
+sitemap: false
+---
+
+# Fairbuds XL configuration
+
+I have the misnamed XL and while it's clear, even with factory reset by
+pushing the joystick to the right until it says _factory reset complete_,
+but the studio eq may not be so clear.
+
+<!-- editorconfig-checker-disable -->
+<!-- prettier-ignore-start -->
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+- [Dezponia's studio EQ](#dezponias-studio-eq)
+  - [2024-04-11](#2024-04-11)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+<!-- prettier-ignore-end -->
+<!-- editorconfig-checker-enable -->
+
+## Dezponia's studio EQ
+
+Shamelessly copied from Matrix.
+
+### 2024-04-11
+
+> My settings for Studio so far is 60hz+0db, 230hz+2db, 1.1khz+0db, 4khz+5db, 10khz+4db. I think the some people may prefer +/- a db or two on the 4khz and 10khz levels depending on their taste and "head related transfer function" (rabbit hole, not worth digging into). I could go for one more db on those myself since I tend to prefer that BUT that can also lead to some sharpness for my ears on some tracks. This is a better comfortable level for me. Also those settings don't assume the Fairbuds XL are flat because they're not, instead these settings aim to "correct" the issues I feel they have with the tools given in the app without being silly. :)
+
+In clearer words, in the app drag the four sliders to
+
+- 0
+- 2
+- 0
+- 5
+- 4

n/firewalld.md

@@ -20,6 +20,7 @@ The blog post also predates me having a /n directory here.
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
 - [Zones](#zones)
+- [Protocols](#protocols)
 - [Services](#services)
 - [Ports](#ports)
 
@@ -37,6 +38,15 @@ zones.
 Zone would be specified by `--zone=home` in the commands. The other zone I
 could imagine using is `public`.
 
+## Protocols
+
+```bash
+sudo firewall-cmd --add-protocol=ipv6-icmp --permanent
+```
+
+- Tells computers when things go wrong with IPv6 network. See also [Neil Alexander: Understanding ICMP and why you shouldn't just block it outright](https://neilalexander.dev/2017/04/16/understanding-icmp).
+  - _Motivation for being here is [20/20 in IPv6-test.com](https://ipv6-test.com)._
+
 ## Services
 
 ```bash