Ben bhpayne

Following command edits the bare repo (rather than a clone of the repo)

cd bare_git_repo
git filter-branch --prune-empty -d /Users/username/software/git_test/git_backup --index-filter "git rm --cached -f --ignore-unmatch a_large_binary" --tag-name-filter cat -- --all

Then run the following on the bare repo

git update-ref -d refs/original/refs/heads/master
git reflog expire --expire=now --all
git gc --prune=now

For a great comparison, see https://tin6150.github.io/psg/blogger_container_hpc.html

Docker

privileged user running support daemon

Docker images are comprised of multiple layers managed by the Docker system

The docker daemon making calls to containerd, which in turn calls runc.

containerd is the new high-level daemon for image management

Criterion for inclusion: human readable. (which excludes ProtoBuf)

INI = https://en.wikipedia.org/wiki/INI_file

a key / value format where keys can (optionally) be grouped into sections.
cite

; last modified 1 April 2001 by John Doe
[owner]

$ time python loop_with_delay.py
index = 0
index = 1
index = 2

real    0m6.202s
user    0m0.111s
sys     0m0.039s

	FROM centos:7

	RUN yum install -y \
	python3-devel

	RUN pip3 install setuptools_rust && \
	pip3 install cryptography==3.2 && \
	pip3 install msoffcrypto-tool

	RUN pip3 install pathos

	#!/usr/bin/env python
	from datetime import datetime
	import os

	"""
	Much of the typical professional communication follows a script.
	Therefore, we can use a script to generate the content.

	This script implements a decision tree that gets presented
	to the user as a sequence of prompts. The output of the

	#!/usr/bin/env python3

	"""
	The arXiv RSS (https://arxiv.org/help/rss) is separate from
	the arXiv API (https://arxiv.org/help/api/index)

	The API supports /query
	The RSS provides XML for a given topic

	https://arxiv.org/help/robots

	#!/usr/bin/env python3

	"""
	runs via crontab on a DigitalOcean VPS

	the sendgrid API key is in a ".env" file
	"""

	# how to run this script:
	# python3 hacker_news_rss_email_alerts.py

	# thanks to https://dreampuf.github.io/GraphvizOnline

	digraph G {
	label="how to browse the internet"
	labelloc = "t"; // place the label at the top (b seems to be default)

	#concentrate=true; # edge overlap # https://stackoverflow.com/a/4671508/1164295
	#overlap=false; # no effect
	compound=true; # as per https://stackoverflow.com/a/2012106/1164295
	# ovals are intended to be tangible activites;

	<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
	<thisdocument>
	<process userobjective="turn on the computer">
	<!-- https://www.quora.com/How-does-a-power-button-work-in-a-computer -->
	<!-- https://wiki.osdev.org/System_Initialization_(x86) -->
	<!-- https://wiki.osdev.org/System_Initialization_(x86) -->
	<task entity="user" action="push power button">
	<task entity="power button" action="electrical current running through wire is interrupted"></task>
	<task entity="electrical wire" action="current goes to zero for short duration"></task>
	<task entity="mother board" action="?"></task>