ld100

Migrating from Ubuntu on WSL to ArchLinux on WSL2

Obsolete notice

This document was created back in 2020 and might not be actual nowadays. It is not supported anymore, so use thise information at your own risk.

Upgrading to WSL 2

• Download WSL2 Kernel
• run wsl --set-default-version 2 in windows command line, so that all future WSL machine will use WSL2.

tomhicks

/*
Copy this into the console of any web page that is interactive and doesn't
do hard reloads. You will hear your DOM changes as different pitches of
audio.

I have found this interesting for debugging, but also fun to hear web pages
render like UIs do in movies.
*/

const audioCtx = new (window.AudioContext || window.webkitAudioContext)()

limepanda

qemu-img convert -O raw <infile.(vdi|vmdk|$whatever)> /dev/zvol/rpool/data/<vmid>-disk0

jfriv

#!/bin/bash

# set up some variables

NOW_DATE=$(date '+%Y-%m-%d-%H-%M')
RESTORE_FROM_INSTANCE_ID=<source name>
TARGET_INSTANCE_ID=<target name>
TARGET_INSTANCE_CLASS=db.m4.large
VPC_ID=<vpc subnet id>
NEW_MASTER_PASS=<root password>

briantjacobs

Storytelling from Space: Tools/Resources

This list of resources is all about acquring and processing aerial imagery. It's generally broken up in three ways: how to go about this in Photoshop/GIMP, using command-line tools, or in GIS software, depending what's most comfortable to you. Often these tools can be used in conjunction with each other.

Acquiring Landsat & MODIS

Web Interface

• USGS Earth Explorer - Browser and data access (create a login)
  http://earthexplorer.usgs.gov/

• Landsat archive

kixorz

#!/usr/bin/ruby
# chkconfig: 35 99 01
# description: EC2 DNS registration
# processname: ec2hostname

require 'aws-sdk'
require 'net/http'

`touch /var/lock/subsys/ec2hostname`

marcelduran

var page = require('webpage').create(),
    address, output, size;
 
page.onConsoleMessage = function(msg, lineNum, sourceId) {
  console.log('CONSOLE: ' + msg);
};

if (phantom.args.length < 2 || phantom.args.length > 6) {
    console.log('Usage: rasterize.js URL filename WxH retina ua');
    phantom.exit();

jberkus

WITH table_scans as (
    SELECT relid,
        tables.idx_scan + tables.seq_scan as all_scans,
        ( tables.n_tup_ins + tables.n_tup_upd + tables.n_tup_del ) as writes,
                pg_relation_size(relid) as table_size
        FROM pg_stat_user_tables as tables
),
all_writes as (
    SELECT sum(writes) as total_writes
    FROM table_scans

jdowning

#!/bin/bash

# This script cleans up your EC2 instance before baking a new AMI.
# Run the following command in a root shell:
#
# bash <(curl -s https://gist.github.com/justindowning/5921369/raw/ami-clean.sh)

function print_green {
  echo -e "\e[32m${1}\e[0m"
}

brianboyer

import csv, os.path
import os
import httplib, base64
import getpass

username = raw_input("Username:")
password = getpass.getpass("Password:")
subdomain = raw_input("Subdomain:")
project = raw_input("Project id:")
filename = raw_input("Tickets file:")