yfe404’s gists

yfe404 / auto_reverse_shell.sh

Created July 8, 2019 10:04

Create a persistent reverse shell

	IDENTITY="$USER/.ssh/identity.pem"
	SRC_PORT=19999
	DST_PORT=22
	DST_USER=gandalf
	DST_HOST=120.88.7.11

	autossh -M 0 -N -o ServerAliveInterval 15 -i $IDENTITY -R $SRC_PORT:localhost:$DST_PORT $DST_USER@$DST_HOST


	## You can connect back from DST_HOST using ssh -p $SRC_PORT local_user_on_SRC@localhost

yfe404 / lumos.sh

Created July 10, 2019 20:07

Increase screen brightness using xrandr

	#!/bin/bash

	b=$(xrandr --current --verbose \| grep -i bright \| cut -d':' -f 2)

	b=$((b + 0.1))

	xrandr --output eDP-1 --brightness $b ## adjust the output with yours, you can get it using the commend xrandr (with no args)

yfe404 / nox.sh

Created July 10, 2019 20:08

Decrease screen brightness using xrandr

	#!/bin/bash

	b=$(xrandr --current --verbose \| grep -i bright \| cut -d':' -f 2)

	b=$((b - 0.1))

	xrandr --output eDP-1 --brightness $b ## adjust the output with yours, you can get it using the commend xrandr (with no args)

yfe404 / gist:875a19d8a61e3e59b6c9e0a8e5c0daad

Created July 19, 2019 05:50

restart i3 status bar

	i3-msg reload
	i3-msg restart

yfe404 / gist:3d83c28385b1a5f660238d940c8c9035

Created July 19, 2019 05:53

Get i3 status bar logs

	for c in $(i3-msg -t get_bar_config \| python -c \
	'import json,sys;print("\n".join(json.load(sys.stdin)))'); do \
	(i3bar --bar_id=$c >i3bar.$c.log 2>&1) & \
	done;


	cat i3bar.bar-*.log

yfe404 / my_tunnel.service

Last active July 3, 2020 12:31

Systemd service for ssh tunneling

	[Unit]
	Description="Establish a SSH tunnel to orion to map searx port to local 3337"
	After=sshd.service
	StartLimitIntervalSec=0

	[Service]
	Type=simple
	Restart=Always
	RestartSec=1
	User=yfe

yfe404 / ESP32-CAM python yolo

Created December 16, 2020 12:33 — forked from youjunjer/ESP32-CAM python yolo

	# This code is written at BigVision LLC. It is based on the OpenCV project. It is subject to the license terms in the LICENSE file found in this distribution and at http://opencv.org/license.html

	# Usage example: python3 object_detection_yolo.py --video=run.mp4
	# python3 object_detection_yolo.py --image=bird.jpg
	import cv2 as cv
	import argparse
	import sys
	import numpy as np
	from urllib.request import urlopen
	import os

yfe404 / ddpv.sh

Created November 2, 2021 06:46

Monitor the progress of dd using pv (progress vue) utility

	#!/bin/bash

	DISK_IMAGE=~/Downloads/my-image.img
	DISK=/dev/sdK
	pv $DISK_IMAGE \| sudo dd bs=4M of=$DISK

yfe404 / wip.txt

Created November 26, 2021 11:29

Send encrypted files anonymously using pastebin

	Pre-conditions
	--------------

	- The following packages must be installed on both ends: gpg, xxd.
	- Sender and Receiver must know the password to encrypt/decrypt the data.

	Sender
	------

	$ gpg --symmetric $FILE_TO_SEND

yfe404 / arch.sh

Created January 12, 2022 19:48

arch-setup

	systemctl enable sshd ; systemctl start sshd

	# select relevant servers in /etc/pacman.d/mirrorlist according to your location

	# initialise keyring
	pacman-key --init
	# initial setup of keys
	pacman-key --populate archlinux
	# update everything (should be done regularly)
	pacman -Sy archlinux-keyring && pacman -Su

Yann yfe404