Hardisk Cloning On Linux

This article will show you a little trick how to make clon linux system into another computer.
First you must plugin empty hardisk to your computer with linux system and the next step is :
1. Login to linux with root user
2. Open terminal and type cat /dev/sda > /dev/sdb &
This command will copy all entire file on the system including the database.
Or with another command:
dd if=/dev/sda of=/dev/sdb &

Wow incredible isn't it ? So in linux cloning process doesn't need third party like Norton Ghost or another clone software.
But i wonder if this is an advantage or a weakness. The answer is depend to administrator that do not forget to lock server room or your company data will be steal by unconcerned party.

Ps : /dev/sda is source, /dev/sdb is destination

keyword : cloning linux,restore

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