3XX0

#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/sfr_defs.h>

static void		init(uint16_t rate)
{
	UBRR0H = (uint8_t) (rate >> 8); // freq/(16*speed)-1
	UBRR0L = (uint8_t) rate;
	UCSR0A &= ~_BV(U2X0); // unset double speed (optiboot)
	UCSR0B = _BV(RXEN0) | _BV(TXEN0); // enable transmision/reception

3XX0

#! /bin/sh

# To allow users to setup their permissions:
# tee -a /etc/sudoers <<< "%lxc-users ALL=/usr/local/bin/generate-lxc-perms"

set -eu

USER="${SUDO_USER:-${1:?usage: $0 <user>}}"
UIDSPEC="$(getent passwd ${USER})"
GIDSPEC="$(getent group `id -g ${USER}`)"

3XX0

#! /bin/sh

USER=$(whoami)
USER_ID=$(id -u)
GROUP_ID=$(id -g)

LXC_CONF_DIR="${HOME}/.config/lxc"
LXC_CACHE_DIR="${HOME}/.cache/lxc"

mkdir -p ${LXC_CONF_DIR} ${LXC_CACHE_DIR}