John wtt604

Manipulate (Geo)JSON with jq

Remove attributes with jq from a GeoJSON file:

cat points.geojson | jq ".features[].properties |= del(.c) | .features[].properties |= del(.d)"

Add property with default value:

Automount USB external drives with udev rules and systemd workarounds

Generate /etc/udev/rules.d/11-media-by-label-auto-mount.rules with the following content

KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end"  
# Import FS infos  
IMPORT{program}="/sbin/blkid -o udev -p %N"  
# Get a label if present, otherwise specify one  
ENV{ID_FS_LABEL}!="", ENV{dir_name}="%E{ID_FS_LABEL}"

	#!/usr/bin/env bash
	# castanet.sh: Script to connect a chromecast to a WiFi network.
	#
	# Allows you to put your Chromecast on WiFi and do Chromecast initial setup
	# without using the Google Home app at all, just using a normal Linux computer.
	#
	# You do need your Chromecast to be on Ethernet, or (untested) to join its setup WiFi
	# network with your PC, and you also need to find out its IP yourself with e.g.
	# Wireshark.