AndrewKvalheim

graph {
  nodesep = 0.2; ranksep = 0.2;

  water [shape=plain, group=a];
  reservoir [shape=oval, group=a];
  split_a [shape=point, group=a];
  filter_a [shape=box, label="filter", group=a];
  pump [shape=box, group=a];
  one_way [shape=diamond, group=a, label="one way", margin=0];
  split_b [shape=point, group=a];

AndrewKvalheim

Personal Mastodon instance

Effective total cost: $3–5/mo

Setup

Decide on an EC2 instance type:

1. At AWS Console → EC2 → Instance Types, filter for ≥1 GB RAM and sort by price.

• t4g.micro is lowest.

AndrewKvalheim

#
# Proportional
#

[buildPlans.iosevka-custom-proportional]
family = "Iosevka Custom Proportional"
slopes = { upright = "normal", italic = "italic" }
widths = { normal = { css = "normal", menu = 5, shape = 500 } }
ligations = { inherits = "jspt" }
quasiProportionalDiversity = 1

AndrewKvalheim

AndrewKvalheim

1. Remove waypoints and imprecise points with [GPSBabel]:

   gpsbabel \
     -i 'gpx' -f 'original/2021-08-23T21-35-41Z Mary Avenue Trail.gpx' \
     -x 'nuketypes,waypoints' \
     -x 'discard,hdop=2' \
     -o 'gpx' -F '/tmp/2021-08-23T21-35-41Z Mary Avenue Trail.gpx'

AndrewKvalheim

#!/usr/bin/env bash
set -Eeuo pipefail

sudo --validate

concurrently \
  --names 'apt,docker,node,ruby,rust' \
  --prefix-colors 'yellow,blue,green,red,cyan' \
  'sudo apt-get update && sudo apt-get upgrade --yes' \
  'docker system prune --force --volumes' \

AndrewKvalheim

Create the Dokku instance:

vagrant up

Configure SSH (see how to enable ~/.ssh/config.d):

vagrant ssh-config --host 'dokku' > ~/.ssh/config.d/dokku

AndrewKvalheim

To use the JOSM Scripting Plugin on NixOS, replace OpenJDK with GraalVM:

josm.override { jre = graalvm17-ce; }

AndrewKvalheim

#!/usr/bin/env bash
set -Eeuo pipefail

if [[ ! ( "${1-}" =~ ^([-_[:alnum:]]+)/([-_.[:alnum:]]+)$ ) ]]; then
  echo "Usage: ${0##*/} <owner>/<repo>" >&2
  exit 1
fi

owner="${BASH_REMATCH[1]}"
repo="${BASH_REMATCH[2]}"

AndrewKvalheim

#!/usr/bin/env bash
set -Eeuo pipefail

[[ "$(gsettings get org.gnome.shell disable-user-extensions)" == 'true' ]] || exit

case "$(notify-send --urgency 'critical' --icon 'extensions' \
  'Extensions have been automatically disabled.' \
  --action 'enable=Re-Enable' \
  --action 'settings=Settings…')" \
in