Jeremy Schoemaker shoemoney

Understanding systemd Boot Execution Graph

https://serverfault.com/questions/617398/is-there-a-way-to-see-the-execution-tree-of-systemd

On NixOS:

> systemctl get-default
multi-user.target

HTTP Streaming (or Chunked vs Store & Forward)

The standard way of understanding the HTTP protocol is via the request reply pattern. Each HTTP transaction consists of a finitely bounded HTTP request and a finitely bounded HTTP response.

However it's also possible for both parts of an HTTP 1.1 transaction to stream their possibly infinitely bounded data. The advantages is that the sender can send data that is beyond the sender's memory limit, and the receiver can act on

Laravel Log Formatter for Lnav

Installation

lnav -i https://gist.github.com/80d1d179c5706f85b281a5558217a5fe.git
# or
lnav -i [email protected]:80d1d179c5706f85b281a5558217a5fe.git

Usage

Everything You Need To Become A Machine Learner

Part 1:

Everything You Need To Become A Machine Learner

Part 1:

*This list of resources is specifically targeted at Web Developers and Data Scientists…. so do with it what you will…* > *This list borrows heavily from multiple lists created by :* sindresorhus Machine learning is a subfield of artificial intelligence, which is broadly defined as the capability of a machine to imitate intelligent human behavior. Artificial intelligence systems are used to perform complex tasks in a way that is similar to how humans solve problems. > *The goal of AI is to create computer models that exhibit “i

	#!/usr/bin/env bash

	set -o pipefail

	slow_compute_hash() {
	find "$1" -type f -exec md5sum {} \; \| sort -k 2 \| md5sum
	}
	fast_compute_hash() {
	find "$1" -type f -print0 \| sort -z \| xargs -0 md5sum \| md5sum
	}

	Check if empty

	if [ -z "$var" ]
	then
	echo "\$var is empty"
	else
	echo "\$var is NOT empty"
	fi
	OR

	sudo yum install gcc-c++ make
	sudo curl -sL https://rpm.nodesource.com/setup_16.x \| sudo bash -
	sudo yum install -y nodejs
	curl -sL https://dl.yarnpkg.com/rpm/yarn.repo \| sudo tee /etc/yum.repos.d/yarn.repo
	sudo yum install yarn

	#first create the file this will make a 4gb file. do 20 count for 2gb etc..
	sudo dd if=/dev/zero of=/swapfile bs=128M count=32
	chmod 600 /swapfile
	#format the file properly with mkswap
	sudo mkswap /swapfile
	#tell your system to activate it
	swapon /swapfile
	#test swap file
	swapon -s
	#if no errors add to fstab so it auto mounts:

	enable amazon-linux-extras
	enable epel extras
	adduser nginx
	update yum
	upgrade yum


	##get katest nginx

	cd /tmp/

	//this makes a 8gb RAM DISK

	diskutil erasevolume HFS+ "ramdisk" `hdiutil attach -nomount ram://16384000`