deanrather

#!/bin/bash
# newtags.sh
# does a fetch, then loops over new tags

# get original list of tags
before_list="$(git tag)"

# fetch new tags, get new list of tags
git fetch --tags
after_list="$(git tag)"

deanrather

Goal

A USB stick which can be booted to, which has ubuntu desktop on it

Method

Use 2 USB's, one as the installer, and one as the OS.

1) Create an Ubuntu Boot USB the normal way (I used lubuntu 12.10 x64)

deanrather

Enabling Login via Keys

On your Workstation

Replace user with the remote username, and 1.2.3.4 with the ip or hostname of the remote

pubkey="$(cat ~/.ssh/id_rsa.pub)" && ssh user@1.2.3.4 "echo $pubkey >> /home/user/.ssh/authorized_keys"

Back on your Workstation

deanrather

Using Expect

expect is a program designed to interact with other programs.

Installation

sudo apt-get install expect

Usage

deanrather

<?xml version="1.0"?>
<gconf>
	<entry name="bold_color_same_as_fg" mtime="1410309937" type="bool" value="true"/>
	<entry name="use_theme_colors" mtime="1411697226" type="bool" value="false"/>
	<entry name="scrollback_unlimited" mtime="1411697226" type="bool" value="true"/>
	<entry name="background_darkness" mtime="1411697226" type="float" value="0.69462400674819946"/>
	<entry name="background_type" mtime="1411697226" type="string">
		<stringvalue>transparent</stringvalue>
	</entry>
	<entry name="palette" mtime="1410309973" type="string">

deanrather

Bash Comparison Operators

Integer Comparison

Operator   Description                      Example
-eq        Is Equal To                      [ 100 -eq 100 ]
-ne        Is Not Equal To                  [ 100 -ne 200 ]
-gt        Is Greater Than                  [ 200 -gt 100 ]
-ge        Is Greater Than Or Equal To      [ 100 -ge 100 ]
-lt        Is Less Than                     [ 100 -lt 200 ]

-le Is Less Than Or Equal To [ 100 -le 100 ]

deanrather

Setting up a Minecraft Server with Amazon Web Services

Creating the Instance

• Login to https://console.aws.amazon.com/ec2/
• Change to your availablility zone (top-right dropdown)
• Create a new m3.medium Instance
• Make sure to open port 25565 on TCP and UDP
• Create & Save a private key
• Note the IP address

deanrather

Chiptunes

This is music that I like. You might like it too. It's mostly chiptunes, with a bit of VGM. It's almost all single click-and-play. This page can be accessed from: http://git.io/chiptunes

Listen

Sound Cloud

deanrather

#!/bin/bash
# Changes your machine's hostname
# Usage: bash <(wget -O - http://git.io/Kbt8oQ) MY_HOSTNAME
# 

old=$(hostname)
new=$1

# Backup old hosts file
date=$(date +%F_%T | sed 's/:/-/g')

deanrather

Setup

1. Create a new spreadsheet at http://docs.google.com
2. The spreadsheet's name should match setSpreadsheet() variable File → Rename…
3. The spreadsheet's tab should match the setWorksheet() variable
4. The first row of the spreadsheet should contain headers matching your add() array keys

A	B