To recovery the root password; just reboot your Linux system in runlevel 1. You get the root terminal without password. From this terminal, type passwd for a new password. Amazingly, this is a breach of the security, so as said Crawley, the physical security is important! Your servers should be locked in secure rooms!

For the hurries, to learn Linux this book is really good. But it is just an introductory book.

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Posted in Security by gaspard No Comments Yet