Vassil "Vasco" Kolarov vascokk

Bootstrapping Rust and Cargo on FreeBSD/aarch64

At the time of this writing, Rust and Cargo are available on FreeBSD/amd64 and FreeBSD/i386 only, whether it is from rustup or from the FreeBSD ports tree. Here is how I could bootstrap Rust and Cargo for FreeBSD/aarch64 from FreeBSD/amd64.

Base system for the target

To be able to cross-compile anything, you need a userland for the target.

From a release

1.) Download a Nerd Font

2.) Unzip and copy to ~/.fonts

3.) Run the command fc-cache -fv to manually rebuild the font cache

AWS CloudFormation YAML template - appending to list parameter types

Documenting this here, as I often forget (what I have found) is the best way to do this at the moment.

For example, you have a list of two existing security groups given to a stack and wish to create (and use) a third - attaching all to an ALB:

AWSTemplateFormatVersion: "2010-09-09"
Description: "Example template"

Parameters:

Python relative imports in AWS Lambda fail with attempted relative import with no known parent package

The Problem

In AWS Lambda if I attempt an explicit relative import like this

.
├── lambda_file.py
└── example.py

Remote, Office Not Required

The Time is Right for Remote Work

Why work doesn't happen at work

The office during the day has become the last place people want to be when then really want to get work done.

Offices have become interruption factories: it's just one interruption after

	// The events are from https://www.w3.org/TR/html5/semantics-embedded-content.html#media-elements-event-summary
	import videojs from 'video.js'

	const Plugin = videojs.getPlugin('plugin')
	const EVENTS = [
	'loadstart',
	'progress',
	'suspend',
	'abort',
	'error',

	SPC
	SPC: find file
	, switch buffer
	. browse files
	: MX
	; EX
	< switch buffer
	` eval
	u universal arg
	x pop up scratch

	sudo yum install -y systemtap systemtap-runtime
	sudo yum install kernel-debuginfo kernel-debuginfo-common

	sudo yum install yum-utils
	debuginfo-install kernel-3.10.0-514.21.2.el7.x86_64


	sudo yum install -y kernel-devel-$(uname -r)
	sudo yum install -y kernel-debuginfo-$(uname -r)
	sudo yum install -y kernel-debuginfo-common-$(uname -m)-$(uname -r)

	#! /bin/bash
	set -e
	trap 'previous_command=$this_command; this_command=$BASH_COMMAND' DEBUG
	trap 'echo FAILED COMMAND: $previous_command' EXIT

	#-------------------------------------------------------------------------------------------
	# This script will download packages for, configure, build and install a GCC cross-compiler.
	# Customize the variables (INSTALL_PATH, TARGET, etc.) to your liking before running.
	# If you get an error and need to resume the script from some point in the middle,
	# just delete/comment the preceding lines before running it again.

	./otp_build configure --host=arm-none-linux-gnueabi --build=i686-pc-linux-gnu --prefix=/opt/erlang erl_xcomp_sysroot=/opt/arm-2009q3 --disable-hipe --disable-threads --disable-smp --disable-megaco-flex-scanner-lineno --disable-megaco-reentrant-flex-scanner --disable-dynamic-ssl-lib --without-termcap --without-javac --without-ssl

	./otp_build boot