I need to prepare a disaster recovery process. I have one for my Windows machine which starts with a Installation which provides me with the capability
of rebuilding my operating system. I do not have an equivalent LINUX Installation disk.

Please advise.

Advise with WHAT? Read the "Question Guidelines" link in my posting signature. Saying "disaster recovery" is much like asking "how high is up"? Unless you provide details/context, there is NOTHING we can tell you.

There are many things (mondoarchve, systemimage, mkcdrec) that can take a 'snapshot' of a Linux system, and let you build an exact replica from bare metal on a new system. But you don't say what version/distro of Linux, what kind of hardware, etc. Your 'disaster recovery' options are far different with blade servers on a SAN, with offsite warm-spares, than they are if you have two desktops and you're planning to replace them from Best Buy if they break. Also, your NEEDS dictate things...does your business need to be up within 72 hours for federal law (banks, etc.), or can you take a week or so to get things going???

My operating system is Ubuntu 14.04
The machine is capable of booting from a dvd or flash drive

And this STILL tells us next to nothing. I mentioned SEVERAL things to factor in, but you've addressed one SMALL one.

Also, did you not see the three utilities I mentioned, to let you do bare metal recovery?

whatifwe,

One route is by using Redo Backup, which takes a snapshot of your complete system and documents at a given point in time. It is suitable for both Linux and Windows machines.

Redo Backup:

http://redobackup.org/

Review:
http://www.techrepublic.com/blog/diy...very-for-free/

One of the best ideas I have seen requires setting up virtualization that allows you to back up and restore guest (or Containers) completely and restore them in running state on another server. I use OpenVZ on CentOS6 for this currently. The containers can be Ubuntu, I prefer CentOS6 or CentOS7, and I have done the same thing using Debian containers. The concept should work in an Ubuntu only operation as well.

To clone a container to another OpenVZ server is easy, and migration is built into the product. Copying a backup off-site means you can load and configure an OpenVZ server, restore your backup images, and turn on as many as you need quite quickly. I have never seen a to-iron restore to match it. (The only one that comes close is AIX with mksysb/vgbackup and vgrestore.)

With linux you can also use imaging software of MANY kinds for a better to-iron experience, but with one of the 'container' based or kernel based systems it is easy.

Note: we tried this with Xen, but it was NOT a happy experience.

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Well, Solaris FLAR works pretty well, but if you're using something like Netbackup or Tivoli Storage Manager, they have bare-metal options as well. And if you're using blade servers on a SAN...you can always have your entire disk on SAN, and if it's mirrored to your DR site...you're done. You literally just have to power on the remote blades, and they come right up.

That said, mondoarchive has given me good results in the past. I like that it will partition your disks for you, as well as recover things, and that you can do this with an ISO that can be burned to DVD or used over the network. But mksysb....there is little to compare it to.