jason-riddle

# Adjust sensitivity for logitech mouse

# xinput list
# xinput list-props 17
xinput set-prop 17 144 0.400000, 0.000000, 0.000000, 0.000000, 0.400000, 0.000000, 0.000000, 0.000000, 1.000000

# Scroll speed
xinput set-prop 17 'Evdev Scrolling Distance' 1.9 1 1

jason-riddle

cryptsetup luksOpen /dev/nvme0n1p2 cryptkey
cryptsetup luksOpen --key-file=/dev/mapper/cryptkey /dev/nvme0n1p3 cryptswap
cryptsetup luksOpen --key-file=/dev/mapper/cryptkey /dev/nvme0n1p4 cryptroot
#+END_SRC

Then for a not fun bit, matching entries in =/dev/disk/by-uuid/= to
the partitions we want to mount where. Running ~ls -l
/dev/disk/by-uuid/~ shows which devices have which UUIDs. To determine
what =dm-1= and =dm2=, I ran ~ls -la /dev/mapper~:

jason-riddle

function print_fequency() {
  (echo "Package Frequency" ; \
  cat | tr ' ' '\n' | sort | uniq -c | awk '{print $2"\t"$1}') | column -t
}

# https://github.com/dominikh/go-unused
function find_unused() {
  unused -exported "${1}/..."
}

jason-riddle

#!/usr/bin/env bash

function req() {
	what=$1
	which "${what}" >/dev/null || { echo "${what} required"; exit 1; }
}

req curl
req gcc

jason-riddle

#!/usr/bin/env python3

"""
I have an ordered historical list of daily prices of quizlet coin - the hot new cryptocurrency.

[100, 50, 120, 100, 300, 250, 1]


What is the best profit I could have made from 1 purchase and 1 sale of Quizlet Coin?

jason-riddle

# Ref: https://github.com/SergK/cheatsheat-tcpdump/blob/master/tcpdump_advanced_filters.txt
# Ref: http://edoceo.com/cli/tcpdump

HTTP_PORT="8444"
HTTP_FILTER="(((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"
tcpdump -i any -s 0 -A "tcp port $HTTP_PORT and $HTTP_FILTER"

jason-riddle

# More on Performance
# Ref: https://unix.stackexchange.com/questions/41740/find-exec-vs-find-xargs-which-one-to-choose
# Ref: https://www.everythingcli.org/find-exec-vs-find-xargs

# Find all files, including hidden, that match the name "config"
find . -type f -name config

# Find all files that contain the word "git" in the filename
find . -type f -iname '*git*'

jason-riddle

SD_CARD="/dev/disk1000"
LOCAL="~/Desktop/2013-09-25-wheezy-raspbian-minimal.img"

# First, unmount the disk
diskutil unmountDisk ${SD_CARD}

# If you are writing from SD card to Mac, calculate the number of bytes to skip as well as the size to pipe to pv.
# 5785600 bytes (count) * 512 (default bs) = 2962227200 bytes == 2825 Megabytes
dd if=${SD_CARD} count=5785600 | pv -s 2825M | dd of=${LOCAL} count=5785600

jason-riddle

# Robust curl command to retry, timeout, and save the output to a file
curl --silent --show-error \
  --location --max-redirs 3 \
  --retry 3 --retry-connrefused --retry-delay 2 \
  --max-time 30 \
  "$url"

jason-riddle

#!/bin/bash
# Translate dmesg timestamps to human readable format

# desired date format
date_format="%Y-%m-%dT%H:%M:%SZ"

# [    3.469072] EXT4-fs (xvda1): mounted filesystem with ordered data mode. Opts: (null)
# [    3.483769] dracut: Remounting /dev/disk/by-label/\x2f with -o noatime,ro
# [    3.495019] EXT4-fs (xvda1): mounted filesystem with ordered data mode. Opts: (null)
# [    3.506417] dracut: Mounted root filesystem /dev/xvda1