Step 1 – Grab The SD Card

步驟1-取出sd卡

Power down the Pi and remove the SD card. Insert it into your PC.

將樹莓派關機，移除sd卡，插入到你的電腦

Step 2 – Edit?cmdline.txt

步驟2-編輯cmdline.txt

The boot partition should be visible and contain a file named “cmdline.txt”. Edit this file in a text editor and add the following to the end of the existing text :

啟動部分是可見的，并包含一個名為“cmdline.txt”的文件。在編輯器中編輯這個文本，并將下文插入到已有文本的最后

init=/bin/sh

If the original content was :

如果原文是這樣的：

dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait

it should now look like :

那么編輯后應該是這樣的：

dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait init=/bin/sh

Make sure it is all one line! Save the text file and eject the SD card from the PC.

確保所有內容在同一行。保存文本內容，從pi出取出sd卡

Step 3 –?Reset the Password

步驟3-重設密碼

Insert the card into a Pi that is connected to a monitor and keyboard. Power up the Pi. There may be a delay but you should be presented with a flashing cursor.

　將sd卡插入樹莓派（我們在這里需要連上顯示器和鍵盤）。將樹莓派開機，估計在顯示閃動的光標前需要等一會。

At the prompt type the following command :

在標識符后，輸入以下命令：

passwd pi

You will then be prompted for a new password. Enter it carefully and press the [Return] key. It will now ask you to retype the password.

你會被提示輸入一個新的密碼，請仔細輸入后并敲下回車鍵。系統會提示你再次確認輸入密碼

passwd pi

Enter new UNIX password:

Retype new UNIX password:

passwd: password updated successfully

The password has been changed.

這樣密碼就修改完成了

Now type the following commands :

現在輸入以下命令去同步并執行初始化程序

syncexec /sbin/init

The Pi will continue to boot and return you to the normal command line prompt.

樹莓派會繼續啟動

Shutdown the Pi and power it off.

關掉樹莓派并且斷電

sudo halt

Step 4 – Edit cmdline.txt

第四步-編輯cmdline.txt文本

Using the PC edit the “cmdline.txt” file again and remove the “init=/bin/sh” text you added in Step 2.

用電腦再次編輯這個文本：把我們在第二步加入的最后數據刪除

You can now return the SD card to your Pi, reboot and use the new password.

現在你可以插入sd卡到你的樹莓派啦，再次啟動就可以使用新的密碼啦。

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