nexus166’s gists

nexus166 / zwc-stego.go

Created May 26, 2020 17:23

zero-width text steganography in go

	package main

	import (
	"bufio"
	"bytes"
	"flag"
	"fmt"
	"os"
	"regexp"
	"strconv"

nexus166 / notes.sh

Last active May 18, 2020 08:02

bash note taking

	#!/usr/bin/env bash

	set +xv -eo pipefail;

	MODULE="${1:-$(id -nu)}";
	LOGFILE="${2:-$(date +%Y-%b-%d_%H%M%S)}";
	LOGDIR=${LOGDIR:-~/.log};

	mkdir -vp "${LOGDIR}";

nexus166 / etc_hotplug.d_block_luksOpen

Created April 19, 2020 03:51

OpenWRT encrypted microSD mount hook

	if [ "$DEVNAME" = "sda3" ]; then
	if [ "$ACTION" = "add" ]; then
	/usr/sbin/cryptsetup luksOpen "/dev/$DEVNAME" "$DEVNAME" --key-file "/root/$DEVNAME.key"
	/usr/bin/mount "/dev/mapper/$DEVNAME" "/mnt/$DEVNAME"
	elif [ "$ACTION" = "remove"]; then
	/usr/bin/umount -r "/mnt/$DEVNAME"
	/usr/sbin/cryptsetup luksClose "$DEVNAME"
	fi
	fi

nexus166 / cloudflare-ddns.sh

Last active April 14, 2020 11:59

Cloudflare DNS Zone A/AAAA update

	#!/bin/bash -eu

	EMAIL="[email protected]";
	APIKEY="xyz"; # https://dash.cloudflare.com/<account_id>/profile/api-tokens
	ZONE="abc"; # https://dash.cloudflare.com/<account_id>/<zone>

	RECORDID=$(curl -fso- -H "Authorization: Bearer ${APIKEY}" -H "Content-Type: application/json" "https://api.cloudflare.com/client/v4/zones/${ZONE}/dns_records?name=${1}" \| jq -crM '.result[].id');

	curl -fso- \
	-H "Authorization: Bearer ${APIKEY}" \

nexus166 / README.md

Last active March 28, 2020 05:35 — forked from mosquito/README.md

Add doker-compose as a systemd unit

cat <<'EOF' > '/etc/systemd/system/[email protected]'
[Unit]
Description=%i service with docker compose
Requires=docker.service
After=docker.service

[Service]
Restart=always
WorkingDirectory=/etc/docker/compose/%i

nexus166 / rpi-debootstrap.sh

Last active March 21, 2022 14:04 — forked from G-UK/Debootstrap Debian Arm64 OS for Raspberry Pi 3 & 4.md

Build a 64bit Debian OS for the Raspberry Pi using Debootstrap

	#!/usr/bin/env bash

	set -xeo pipefail;

	IMAGE_SIZE=2000M
	BOOT_SIZE=256M
	IMAGE_ARCH=arm64

	while getopts "s:" option; do
	case $option in

nexus166 / Dockerfile

Last active April 10, 2020 13:19

my OpenWRT devices' configs and Dockerfile

	FROM nexus166/gobld:ubuntu-cgo

	SHELL ["/bin/bash", "-evxo", "pipefail", "-c"]

	RUN export DEBIAN_FRONTEND=noninteractive; \
	apt-get update; \
	apt-get dist-upgrade -y; \
	apt-get install -y --no-install-recommends \
	gawk binutils bsdmainutils build-essential file git libncurses5-dev perl python3-distutils rsync unzip wget; \
	rm -fr /var/lib/apt/cache

nexus166 / fake-uname.c

Created March 18, 2020 16:39 — forked from DamnedFacts/fake-uname.c

Fake uname information in order to make tools, such as megacli, work: Gentoo-11 tmp # gcc -Wall -fPIC -c fake-uname.c Gentoo-11 tmp # gcc -Wall -shared -o libfake-uname.so fake-uname.o Now we get libfake-uname.so, use LD_PRELOAD=./libfake-uname.so to preload it, over uname from glibc: Gentoo-11 tmp # LD_PRELOAD=./libfake-uname.so LD_LIBRARY_PATH…

	#define _GNU_SOURCE
	#include <unistd.h>
	#include <sys/syscall.h>
	#include <sys/types.h>
	#include <sys/utsname.h>

	#include <stdio.h>
	#include <string.h>

	int uname(struct utsname *buf)

nexus166 / rename.sh

Last active March 17, 2020 11:41

	#!/usr/bin/env bash

	until [[ -z "$(find ${1:-.} -name '* *')" ]]; do
	find ${1:-.} -name "* *" -type d -print0 \| while read -d '' f; do
	mv -fv "$f" "${f// /_}";
	done;
	find ${1:-.} -name "* *" -type f -print0 \| while read -d '' f; do
	mv -fv "$f" "${f// /_}";
	done;
	done

nexus166 / openwrt-build.Dockerfile

Created March 12, 2020 22:37

	FROM nexus166/gobld:ubuntu-cgo

	SHELL ["/bin/bash", "-evxo", "pipefail", "-c"]

	RUN export DEBIAN_FRONTEND=noninteractive; \
	apt-get update; \
	apt-get dist-upgrade -y; \
	apt-get install -y --no-install-recommends \
	gawk binutils bsdmainutils build-essential file git libncurses5-dev perl python rsync unzip wget; \
	rm -fr /var/lib/apt/cache