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Original source, author information, and this statement. Otherwise, legal liability will be held. Centos. It has not been completed for a long time! But the root user's password is forgotten and cannot be entered! Khan... Solution: 1. restart the system. GRUB: load ProgramOn the menu, use the up and down arrow keys to select the system that you forgot the password and type "E" to enter the editing mode. 2. next, you can see the image shown in, and then use the up and down keys to select the latest kernel (the second line is here, kernel .......), then press "E ". 3. Add "space" after rhgb quiet, type "single", or directly enter "1" of the number and press enter to confirm. 4. Use passwd root to change the root password. After modification, reboot (restart.
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