How to securely erase a hard drive with an Ubuntu CD

This guide shows you how to securely and reliably delete data from your hard disk using three Linux tools: shred, wipe, and dd. Whichever method you choose, you can be sure that the information you remove will be nearly impossible to recover.

To start from a clean state I need to reset the hard disk to an empty state from command line. It is not about running a wipe utility, the data don't have to be overwritten.

In this guide, I‘ll outline 5 tools you can use to completely obliterate any trace of data from a drive on an Ubuntu system: I‘ll go into detail on how each method works and show clear examples of the exact commands needed to thoroughly wipe y

How can I quickly wipe a disk (filesystem/partitions) without overwriting all content with random data? For example shred could accomplish what I want but takes to much time.

Use the following dd command to remove data from /dev/hdX: OR for sata disk, use the following syntax: In this example, empty sata disk /dev/sdb, enter (you must be login as the root user): 在「cyberciti.biz」查看更多資訊 You can use the shred command to securely

ShredOS runs on Linux under the hood and boots from a USB stick, as you cannot wipe your device's hard drive if you are booting from it. It can be used to wipe a PC that runs any operating system (including all versions of Windows and Linux).