hackerb9

hackerb9

#!/bin/bash

# A temporary script for a temporary problem.

# I have a bunch of github repositories that no longer work
# for git push because the original URL uses the deprecated
# username/password combo. This script repairs the remote 
# origin so it uses ssh.

# B9 August 2021

hackerb9

#!/bin/bash -e
# Bogus disk speed tester by b9 2016-2021
# Well, not exactly bogus, but overly simplistic.

TMPDIR=/tmp			# where to write the file
COUNT=64			# number of blocks
BS=1				# blocksize (in *MEGA*bytes)
total=$((COUNT*BS))

[ "$1" ] && TMPDIR="$1"		# Usage: bogodisk [dir [count]]

hackerb9

#!/usr/bin/python3

# globals
name={}
hierarchy={}
vernacular={}
synonyms={}

def loaddb():
    "Load up databases into dictionaries: name, hierarchy, vernacular"

hackerb9

# Fail2Ban configuration file
#
# Redirect from a certain port to a different port on the same host
# Example usage:
#	# By default redirects  port=22, toport=2222, protocol=tcp
#	action = iptables-redirect[name=cowrie]
#
#	# Can specify other defaults if you'd like.
# 	action = iptables-redirect[name=web, proto=tcp, port=80, toport=8080]

hackerb9

#!/bin/bash

# XXX showanddelete hacked to show best view by default and to
# change the image every five seconds if no key pressed.

# Maximum number of seconds to wait for a response from the terminal
# after a an escape sequence query. Usually, terminals respond much
# faster than 0.1 seconds, but may need to be increased for slow links
# (e.g., RS232C, ssh).
TIMEOUT=0.1

hackerb9

hackerb9

#!/bin/sh
# Silly speed test just by downloading a file directly to /dev/null
# Useful on routers which only have busybox installed.
# ↄ⃝🄯 B9 2016, 2018, 2023. Creative Commons Zero.

# NOTA BENE: cachefly has worked for over a decade, however they may
# be getting tired of scripts like this. Starting February 2023, their
# 100mb.test file is empty and the 50mb.test file holds 100MB.

dotest() {

hackerb9

/* Student's t-test (Two Independent Samples) */		/* -*- c -*- */
/* Implemented in GNU bc by hackerb9, 2018. */
/* Copyright assigned to FSF. */

/*
 *
 *                              µ₀ - µ₁
 * t =  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 *      ⎡                                                     ⎤ ½
 *      ⎢ (ΣA² - (ΣA)²/n₀) + (ΣB² - (ΣB)²/n₁)  	⎛  1     1  ⎞ ⎥

hackerb9

/* Student's t-test (Two Independent Samples) */
/* Implemented in GNU bc by hackerb9, 2018. */
/* Copyright assigned to FSF. */

/*
 *
 *                              µ₀ - µ₁
 * t =  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 *      ⎡                                                     ⎤ ½
 *      ⎢ (ΣA² - (ΣA)²/n₀) + (ΣB² - (ΣB)²/n₁)  	⎛  1     1  ⎞ ⎥