msva

#!/usr/bin/env bash
# ref: https://git.521000.bestmunity/t/how-to-check-if-a-container-image-exists-on-ghcr/154836/3

# public image's {USER}/{IMAGE}
USER_IMAGE=eggplants/asciiquarium-docker

# get token ('{"token":"***"}' -> '***')
TOKEN="$(
  curl "https://ghcr.io/token?scope=repository:${USER_IMAGE}:pull" |
  awk -F'"' '$0=$4'

msva

#!/usr/bin/env bash
# ref: https://git.521000.bestmunity/t/how-to-check-if-a-container-image-exists-on-ghcr/154836/3

# public image's {USER}/{IMAGE}
USER_IMAGE=eggplants/asciiquarium-docker

# get token ('{"token":"***"}' -> '***')
TOKEN="$(
  curl "https://ghcr.io/token?scope=repository:${USER_IMAGE}:pull" |
  awk -F'"' '$0=$4'

msva

-- Spawn a command in the background, optionally redirecting stderr and stdout
--
-- requiring this file returns a function(cmd_line, stdout_redirect, stderr_redirect)
--
-- `cmd_line` is the command with possible arguments
-- optional `stdout_redirect` is io.stdout, io.stderr, or a filename.  default/nil is io.stdout
-- optional `stderr_redirect` is io.stdout, io.stderr, or a filename.  default/nil is io.stderr
--
-- Example:
--     luajit -e 'require("spawn")("cat /etc/network/interfaces", "foo1", io.stdout)'

msva

# Configure RPi
sudo /sbin/iwconfig wlan0 power off
sudo sed -i 's/exit 0/\/sbin\/iwconfig wlan0 power off\n\nexit 0/g' /etc/rc.local

# Install Docker
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh ./get-docker.sh --dry-run
sudo usermod -aG docker $USER
newgrp docker