"Linux system" teaches you how to break passwords and protect

Source: Internet
Author: User

For the Windows system password cracking only need to make a PE disk, and then enter the boot boot entry and start from the U-disk to crack (generally Baidu has these detailed steps). And now I'm teaching you how to hack the password of the Linux system. First I experimented with a virtual machine equipped with a Linux6.5 system. To open the system without knowing the password of the Linux system or in the case of forgetting the Linux password, press ESC to enter the interface when the system is turned on. Press the E key to enter by following the prompts.

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Select the second one to enter by pressing the E key, then enter the space by entering single and then enter. The B key starts.

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Enter the new password here so that the password will be cracked. It's simple, but it's not easy to hack if you do some protection.

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Enter grub for the boot menu with the system configuration password. This will not be as simple as the above to crack the password, you have to know the boot menu password to follow-up hack. 650) this.width=650; "title=" Picture 5.png "style=" Float:none; "src=" http://s3.51cto.com/wyfs02/M00/6C/C3/ Wkiol1vrwvziqv8vaaba-zp_suy838.jpg "alt=" Wkiol1vrwvziqv8vaaba-zp_suy838.jpg "/>

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Of course, according to the above practice is not * * *, if you have anything in the middle of the case, others can see you set the password. The following is a cryptographic operation of the grub password. So others will not be able to know your password, it will not be able to crack, but there is no absolute, perhaps there are some ways to crack this into the encrypted password, or from other dough to start. The security aspects of the technology is like two martial arts master fights, today, but you I go home to practice and then to fight with you.

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This article is from the "Bluebird Technology Flow" blog, please be sure to keep this source http://9863378.blog.51cto.com/9853378/1650727

"Linux system" teaches you how to break passwords and protect

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