Old boy Education daily one question-day59-linux root password forgot, how to retrieve it?

1, start the hand to quickly press any key, because the default time of 5s

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Figure 1.1 Countdown Timer

2, Grub menu, only one kernel, nothing good up and down, press e key. However, if you upgrade the system or install Xen virtualization, there will be multiple displays.

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Figure 2.1 Selecting the system kernel and editing it

3, next show as follows, select the second item, press the E key

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Figure 3.1 Selecting an edited item

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Figure 3.2 Modifying only the second item-kernel-related startup parameters

4, next shows the following, in RHGB quiet last Add "space", and then type "1" or "s" or "s" or "single" Can, press enter return to the previous layer

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Figure 4.1 Adding content after kernel boot parameters to allow the system to enter a single user

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Figure 4.2 Adding content after kernel boot parameters to allow the system to enter a single user

5. Press the B key to start the system

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Figure 5.1 Press ENTER after modification

6. Final interface

After pressing B, the system continues to boot and enters into single-user mode.

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Figure 6.1 System continues to start

7, the direct input passwd can change the root password

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Figure 7.1 Modifying the root user password directly

8. Statistical information

Today is the 59th Day of the day to accompany you and look forward to your progress .

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Index of the topic of the previous period

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Old boy Education daily one question-day59-linux root password forgot, how to retrieve it?