Google I/O 2013

Starts in less than two hours!

Are you going to watch?

 

https://developers.google.com/events/io/

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Clonezilla!

ClonezillaToday I successfully used Clonezilla SE Live to deploy and image using network boot images. One of the labs in the building that I work at is the guinea pig in this scenario.

In the environment that we have, is a slew of Windows 2008+ servers. These servers give us our DHCP, DNS, files, etc… It is best to have a machine close by to run the live from with two ethernet cards. I have my Clonezilla SE Live on a USB thumb drive, installed with tuxboot. I booted off the USB and had it store the information in RAM, in the case I had to leave. After I booted, I set one machine to static address 192.168.100.254 and a subnet of 255.255.255.0, and the other ethernet card at DHCP. After running through the configuration of Clonezilla, I retrieved the IP given by DHCP and went to my servers. Inside the VLAN I set two options for it. I set option 66 to the IP address of the host ( not the 192 address ), and set 67 to pxelinux.0 .

On the client machines I turned on network boot. If you by chance do not have the option, use the same thumb drive to boot off and select network boot. It will boot up and begin to do the work on it’s own. It may take  a while to start pending the options you have selected and the network bandwidth available. But it should work nicely.

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Geekbeat: Say NO to CISPA

Just watch it.

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Why you should revisit code when you do it the easy way.

I ran into an interesting article that I figured would have to be true anyhow while working on a project.

http://blogs.msdn.com/b/adonet/archive/2008/03/27/ado-net-entity-framework-performance-comparison.aspx

This blog post is worth a read. I know lots of people think they are a programmer in today’s age. However, I am afraid those who do not realize that doing it the easy way is only ok for deadlines are doomed to be shitty programmers till they learn. You should always return back to your code and optimize it. If optimization requires you to rewrite it all, then you better get started before you have a deadline to do it in a performance setting. It is good practice anyhow to do it for performance right off at the start. This is just visual evidence. Also, this shows you how to test for performance.

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