root-passwd

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Reset Forgotten User Password On Ubuntu 16.04 / 17.10 / 18.04

1. select *Advanced options for Ubuntu

2. Ubuntu, with Linux.x.x-generic (recovery mode)

3. Select "root".

Press Enter for maintenance (or press Control-D to continue): # mount -o remount,rw / # passwd <username> Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully # reboot

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