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How to reduce space required by (Linux utility) dd created drive image

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Angsuman Chakraborty

Posts: 19816
Nickname: angsuman
Registered: Dec, 2003

Angsuman Chakraborty is the CEO and Chief Architect at Taragana

How to reduce space required by (Linux utility) dd created drive image

Posted: Dec 5, 2010 10:19 AM

This post originated from an RSS feed registered with Java Buzz by Angsuman Chakraborty.
Original Post: How to reduce space required by (Linux utility) dd created drive image Feed Title: Simple Thoughts - Java and Web Technology Blog Feed URL: http://tech.gaeatimes.com/index.php/feed/ Feed Description: News and views as a Software Architect and Entrepreneur on Java and Web Software.	Latest Java Buzz Posts Latest Java Buzz Posts by Angsuman Chakraborty Latest Posts From Simple Thoughts - Java and Web Technology Blog

a. Use gzip An example command: dd if=/dev/hda1 bs=1k conv=sync,noerror | gzip -c | ssh -c blowfish user@hostname “dd of=filename.gz bs=1k” Notes: 1. gzip ensures less storage requirement for the image 2. blowfish algorithm is used while transferring the data because it reduces overhead, which leads to faster transfer, for the SSL connection b. Reduce storage space by zeroing unused blocks dd ... Read more : How to reduce space required by (Linux utility) dd created drive image.

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