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for f in *.HEIC; do echo ${f:t:r}; tifig -v -q 100 -i "$f" -o "${f:t:r}.JPG"; done

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Convert Garmin FIT to GPX

• Requires GPSBabel

# Tested in zsh
for f in *.fit; do echo ${f:t:r}; gpsbabel -i garmin_fit -f "$f" -o gpx -F "${f:t:r}.gpx"; done

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Create a policies.json and install to C:\...\Mozilla Firefox\distribution. Restart Firefox to apply. Reference: https://github.com/mozilla/policy-templates/blob/master/README.md

{
  "policies": {
    "EnableTrackingProtection": {
      "Value": true,
      "Locked": false,
 "Cryptomining": true,

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Turn off onboard LEDs on Raspberry Pi

Add the following to /etc/rc.local. This has been verified as working on a Raspberry Pi 3 with the caveat that on power up and reboot, the LEDs are on briefly before being disabled.

for led in /sys/class/leds/*
do
  printf "Disabling LED: $led\n"
  sudo sh -c "echo 0 > $led/brightness"
 sudo sh -c "echo none > $led/trigger"

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RDP to a host on a private network via SSH

                                            +--- Private Linux
Client - Internet - Public Linux --- ||| ---+
                                            +--- Private Windows

Assuming Public Linux can talk directly to Private Windows:

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Generate random passwords on macOS

$ brew install pwgen

# In ~/.env.sh or ~/.zshenv
function genpasswd() { pwgen -1Bs $1 | pbcopy | pbpaste }

$ source ~/.zshrc
$ genpasswd 20

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Occasionally, vim on the Raspberry Pi will throw multiple Sorry, the command is not available... errors when using the basic vimrc from amix/vimrc.

This is likely 'cos the vim-gui-common and/or vim-runtime packages are missing. Fix with:

sudo apt install vim-gui-common vim-runtime

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Hat tip: https://howchoo.com/g/ndy1zte2yjn/how-to-set-up-wifi-on-your-raspberry-pi-without-ethernet

For Raspbian Stretch and Raspbian Buster

country=US # Your 2-digit country code
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
network={
    ssid="YOUR_NETWORK_NAME"
 psk="YOUR_PASSWORD"

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Create an empty file on Windows; useful for enabling SSH on Raspberry Pi SD cards

Hat tip: https://www.windows-commandline.com/create-empty-file/

Run as Administrator

J:\>fsutil file createnew ssh 0
File J:\ssh is created

Alternate method

Hat tip: https://desertbot.io/blog/headless-raspberry-pi-3-bplus-ssh-wifi-setup

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