I thought that when I first got started with linux, my brother forgot the root password after installing the system. I re-installed it once every time I forgot it. At that time, I never thought about how to change the root password. later, one day, my brother suddenly woke up. Press the up/down key on the boot, and then press the letter e. then press the letter e again. in & lt; P, you just got started with linux, after the system is installed, the root password is forgotten, and the root password is reinstalled every time it is forgotten. At that time, I never thought about how to change the root password. later, one day, my brother suddenly woke up. Press the up/down key on the boot device, and then press the letter e. then press the letter e again,
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Press B to start the system and enter passwd to change the root password. The system will ask you to enter a new password twice.
After the modification, run the reboot command to restart the system.
