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Boot from a LiveCD - PowerPoint PPT Presentation


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Boot from a LiveCD. What is a LiveCD. Normally, OS is installed on the local disk and then will be loaded from harddisk. However, OS can also be directly put into memory and running from there without harddisk.

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Presentation Transcript
what is a livecd
What is a LiveCD

Normally, OS is installed on the local disk and then will be loaded from harddisk.

However, OS can also be directly put into memory and running from there without harddisk.

LiveCD has everything an OS needed to run and when booting from a CD-ROM, the OS will be loaded from the CD and directly into memory.

bios configure the boot sequence
BIOS: Configure the Boot Sequence

BIOS is where you can basically configure your hardware

i.e.   CPU

        Onboard clock

        Disk etc.

HOWTO

1. Press "F12" (computer-dependent)

2. Choose "System Setup"

3. Browse around and look for "Boot Sequence"

4. Press "ESC" to exit

linux distributions
Linux Distributions

Linux is an open source Operating System(OS). 

There are many people favorite in customizing Linux in different look. So there are many different versions of Linux. We call them Linux Distributions

  • Gentoo
  • Debian
  • Ubuntu
  • Fedora
  • Mandriva
  • Suse
  • etc...
looking for a linux
Looking for a Linux?

All are online, available, free!

Ubuntu  http://www.ubuntu.com/

Fedora http://fedoraproject.org/

Gentoo  http://www.gentoo.org/

More? Just google it. They are really popular and easy to find!

Here is  an shortcut for Potsdam folks

http://mirror.clarkson.edu/

burn a livecd
Burn a LiveCD
  • Find a LiveCD image(.iso) and download it

at http://mirror.clarkson.edu/distributions.html

  • Burn a LiveCD image into a blank CD/DVD

        CD--- 700MBytes

      DVD--- 4.7GBytes     (1G = 1024M)

HOWTO

1. Physically put a blank CD/DVD into the burner

2. Find the disc image file(.iso)

3. Right click the disc image and click "Open with Brasero"

4. Select the disc image and Select the proper burner

5. Click the button "Burn"

run a livecd
Run a LiveCD
  • Insert the LiveCD into DVD-ROM
  • Press the power button 

Booting~~~~~~

It is just that simple!

what can a liveos do
What can a LiveOS do?
  • No need to install an OS
  • No hurt to play
  • No worry to try new things

Q&A

Can you install software on it?

Yes, but once poweroff, all are gone!

Can you save your file?

Save it on a usb or in the Internet, or it will also be gone

Why? Because it boots from CD/DVD, but CD/DVD is unwritable.