AlexAtkinson

#!/usr/bin/env bash
# get-total-pulls.sh
# ------------------------------------------------------------------------------
#
# DESCRIPTION:
#   Gets the total pulls for a dockerhub repo.
#   This script iterates the image-list file and outputs a report.
#
# INPUT FILE:
#   The input file is a list of docker images - one per line.

AlexAtkinson

# Prints a section header.
#
# Features
#   - Autosizes to terminal if $width -gt $COLUMNS
#   - Specifying width as 4000 works...
#   - Adjust first two sanities for stricter usage
#     * Currently sets width to half terminal width
#     * Currently rounds down odd to even width automatically
#   - Customizable outside and inside fill characters
#   - Nofill style option

AlexAtkinson

#!/usr/bin/env sh

cat << EOF > epochInµsec.c
#include <stdio.h>
#include <sys/time.h>

__asm__(".symver realpath,realpath@GLIBC_2.0");

int main(void)
{

AlexAtkinson

#!/usr/bin/env bash
# timestamp-helper.sh
# ------------------------------------------------------------------------------
# Command perfs observed on localhost.
#   date   : ~0.001-0.002s
#   gdate  : unknown
#   python   : ~0.015-0.030s
#   c    : ~0.025-0.049s
#   this.sh  : ~0.005-0.015s (with date, so + ~0.004-0.013s)
#

AlexAtkinson

#!/usr/bin/env bash
# genMockData.sh
# ------------------------------------------------------------------------------
# Gets some free sample data from: https://www.briandunning.com/sample-data/,
# Extracts Transformas and Loads the data. (ETL in BASH...)

# regions: us, ca, uk, au
region=${1:-ca} # ca (default), us, uk, au - supply as arg1
size=500 # 500 sample size is free
file="${region}-${size}"

AlexAtkinson

#!/usr/bin/env sh
# ts-helper.sh
# ------------------------------------------------------------------------------
# This is a demo of how to get aligned timestamps across any OS with python in
# the $PATH.
# ------------------------------------------------------------------------------
function ts() {
  local s_int=$(date +'%s')
  local s_len=${#s_int}
  local sns=$(python -c 'import time; print(int(time.time_ns()))')

AlexAtkinson

# HTOP Weather Overlay
# NOTES:
#   - STOP! Not a script.
#     - Add to ~/.bashrc or similar.
#   - Refreshes the weather "overlay" every ~10s
#   - Pulls from wttr.in ONLY every 300s (5m)
#   - has a kill-htop-weather command to break the while loop if needed
#
# Requires an empty space in the htop meters setup to be added.
# Recommended Meters layout (F2):

AlexAtkinson

# Include simple dependnecy checks for aliases.
# Set aliases only if dependnecy is available.
# An IF statement may makes more sense...

dep='xclip'
[[ ! $(command -v $dep) ]] && echo -e "\e[01;31mERROR:\e[0m ${BASH_SOURCE[0]} - $dep not available!"
[[ $(command -v $dep) ]] && alias clipc="xclip -selection c"
[[ $(command -v $dep) ]] && alias clipp="xclip -selection c -o"
[[ $(command -v $dep) ]] && alias clipv="clipp | less"

AlexAtkinson

#!/usr/bin/env bash
# ssh-key_rounds-benchmark.sh
# ------------------------------------------------------------------------------
# Tests ed25519 performance.
#
# Usage:
#   ./ssh-key_rounds-benchmark.sh
#   ./ssh-key_rounds-benchmark.sh <type> <passphrase length> <sample size>
#   ./ssh-key_rounds-benchmark.sh ed25519 32 10
# Original work by Luc in this stackexchange answer:

AlexAtkinson

#!/usr/bin/env bash
# A simple hello world script for testing the handling of remote scripts.
# HINT: Hit the 'Raw' button at the top-right to get the url for this script. It changes with every edit.
#    source <(curl -s <url>)
#    bash <(curl -s <url>)

echo 'Hello World!'

shopt -s expand_aliases