[Notes] Cloud Computing talk @ Programming Lab 1

Cloud Computing

Utility Computing

    amazon.com : EC2

    rackspace.com

    http://g.ho.st/?language=en

        virtual desktop

PaaS (Platform as a Service)

    google app Engine

    force.com 

    Microsoft

        Windows Azure

        live services

        .net services

        sql services

Cloud-based User Application

    salesforce.com

    flickr.com

    animoto.com

Characteristic of a cloud application

    Scalable horizontally

    failure resistant

    not heavily inter-connect intensive

    not too security critical

    inherently aware of cloud infrastructure

Type of Cloud Application

    Processing pipeline

    Batch Processing

    Websites

        Temp websites

        Seasonal websites

Cloud Computing design consideration

    Component scalability

    On-demand scalability

    Loosely coupled components

    Implement parallelism

    Resilient design

        reboot and re-launch

            use queues to manage system state and integrity

PHASE 1: Early Cloud

Based on proprietary and internal cloud infrastructures

    amazon.com

    google.com

PHASE 2: Vertical Supply Chain

Rise of new cloud services

Providers who leverage on other cloud providers

    linxter.com

    3tera.com

    cohesiveFT.com

    skytap.com

    gigaspaces.com

PHASE 3: Horizontal Federation

Providers will collaborate and federate horizontally to provide more scale for customers

    google.com

    amazon.com

    rackspace.com

Check this out...

www.squidoo.com/cloudcomputing101

Facebook: The cloud computing resource

Applied maths

KRHome featured on Straits Times:Home (31 Jan 09)

[Image from kr-alumnus.blogspot.com]

KRhome 又上报纸了!

=) Hehe, KRhome dancers were featured in the article about Chingay! =)

Windows 7 Hotkeys

General

Win+Up	Maximize
Win+Down	Restore / Minimize
Win+Left	Snap to left
Win+Right	Snap to right
Win+Shift+Left	Jump to left monitor
Win+Shift+Right	Jump to right monitor
Win+Home	Minimize / Restore all other windows
Win+T	Focus the first taskbar entry Pressing again will cycle through them, you can can arrow around. Win+Shift+T cycles backwards.
Win+Space	Peek at the desktop
Win+G	Bring gadgets to the top of the Z-order
Win+P	External display options (mirror, extend desktop, etc)
Win+X	Mobility Center (same as Vista, but still handy!)
Win+# (# = a number key)	Launches a new instance of the application in the Nth slot on the taskbar. Example: Win+1 launches first pinned app, Win+2 launches second, etc.
Win + + Win + - (plus or minus key)	Zoom in or out.

Explorer

Alt+P

Show/hide Preview Pane

Taskbar modifiers

Shift + Click on icon	Open a new instance
Middle click on icon	Open a new instance
Ctrl + Shift + Click on icon	Open a new instance with Admin privileges
Shift + Right-click on icon	Show window menu (Restore / Minimize / Move / etc) Note: Normally you can just right-click on the window thumbnail to get this menu
Shift + Right-click on grouped icon	Menu with Restore All / Minimize All / Close All, etc.
Ctrl + Click on grouped icon	Cycle between the windows (or tabs) in the group

 

Run Google Chrome on Windows 7 - 64 Bit Version

Follow these Simple Steps to Run Google Chrome on Windows 7 - 64 Bit Version:

•Right Click on Google Chrome icon and now Select Properties.
•Go to Shortcut Tab and add --in-process-plugins (Note the double dash in front) after chrome.exe in Target field as shown below:




•Now click Apply to save changes.
•Now start Chrome on Windows 7 64 bit Version, it should Work