TheHolm

1. Python’s Built-in HTTP Server

Python 3:

# Serve current directory on port 8000
python3 -m http.server 8000

# Bind to a specific interface (e.g., localhost only)
python3 -m http.server 8000 --bind 127.0.0.1

# Serve a specific directory

QNAP TS-453 Pro: LCD, LEDs, fan & buttons

QNAP NAS model TS-453 Pro has limited documentation on how to control its various peripherals, namely:

the front LCD display, a 2 row, 16 column blue & white LCD display, and its two menu buttons ("ENTER", "SELECT")
the front LEDs "STATUS" (red & green) & "USB" (blue)
the 4 "disk error" LEDs (red)
the front "USB COPY" button
the main rear fan

Cisco IOS SSL VPN Configuration

Tunning

policy group vpn-group-test
svc keepalive 300

	#!/usr/bin/env python
	# __author__ = 'c4mx'
	from pbkdf2 import PBKDF2
	from binascii import a2b_hex
	import hmac, hashlib, binascii


	# passphrase: WPA wifi password
	def calc_pmk(passphrase, ssid):
	return PBKDF2(passphrase, ssid, 4096).read(32)

	#!/bin/sh
	#
	# PROVIDE: nodered
	# REQUIRE: LOGIN
	# KEYWORD: shutdown

	# Author: Andrew Pearson (apearson.io)
	# Version: 1.0.2

	# Description:

	sudo modprobe v4l2loopback video_nr=4 card_label="virtual webcam" exclusive_caps=1
	sudo ffmpeg -use_wallclock_as_timestamps 1 -fflags nobuffer -framerate 60 -device /dev/dri/card0 -f kmsgrab -format bgr0 -i - -vsync drop -init_hw_device vaapi=v:/dev/dri/renderD128 -filter_hw_device v -vf 'hwmap,hwdownload,format=yuv420p' -c:v rawvideo -f v4l2 /dev/video4