Ilhaan Rasheed ilhaan

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

To limit a CPU to a certain C-state, you can pass the processor.max_cstate=X option in the kernel line of /boot/grub/grub.conf.

Here we limit the system to only C-State 1:

    kernel /vmlinuz-2.6.18-371.1.2.el5 ... processor.max_cstate=1

On some systems, the kernel can override the BIOS setting, and the parameter intel_idle.max_cstate=0 may be required to ensure sleep states are not entered:

Debugging curtin from within MAAS

Deploying a node with MAAS cli

You can deploy a node with the maas cli which is often preferable to clicking a button on a web UI.

$ SYSTEM_ID=node-787b19d8-d25c-11e4-9f9e-00163eca91de
$ NAME="random-nodename"
$ MAASNAME="maaslocal"

$ maas $MAASNAME machine allocate "name=$NAME"

	#!/usr/bin/env python

	import argparse
	import sys

	import jinja2
	import markdown

	TEMPLATE = """<!DOCTYPE html>
	<html>

-/*
-This script, when used with Google Apps Scripts, will delete 400 emails and
-can be triggered to run every few minutes without user interaction enabling you
-to bulk delete email in Gmail without getting the #793 error from Gmail.
-Google returns a maximum of 500 email threads in a single API call.
-This script fetches 400 threads in case 500 threads is causing timeouts
-Configure the search query in the code below to match the type of emails
-you want to delete

	```#cloud-config
	debconf_selections:
	maas: \|
	{{for line in str(curtin_preseed).splitlines()}}
	{{line}}
	{{endfor}}
	{{if third_party_drivers and driver}}
	early_commands:
	{{py: key_string = ''.join(['\\x%x' % x for x in map(ord, driver['key_binary'])])}}
	driver_00_get_key: /bin/echo -en '{{key_string}}' > /tmp/maas-{{driver['package']}}.gpg