OS10 Enterprise Edition User Guide Release 10.4.0E(R3)


Password recovery

You may need to recover a lost password.

  1. Connect to the serial console port. The serial settings are 115200 baud, 8 data bits, and no parity.
  2. Reboot or power up the system.
  3. Press ESC at the Grub prompt to view the boot menu. The OS10-A partition is selected by default.
                                              |*OS10-A                                    |
                                              | OS10-B                                    |
                                              | ONIE                                      |
  4. Press e to open the OS10 GRUB editor.
  5. Use the arrow keys to highlight the line that starts with linux. Add init=bin/bash at the end of the line.
                                              |setparams 'OS10-A'                                                                         |
                                              |                                                                                           |
                                              | set root='(hd0,gpt7)'                                                                     |
                                              | echo    'Loading OS10 ...'                                                                |
                                              | linux   (hd0,gpt7)/boot/os10.linux console=ttyS0,115200 root=/dev/sda7 \rw init=/bin/bash |
                                              | initrd  (hd0,gpt7)/boot/os10.initrd                                                       |
  6. Press Ctrl + x to reboot your system. If Ctrl + x does not cause the system to reboot, press Alt + 0. The system boots up to a root shell without a password.
  7. Enter linuxadmin for the username at the system prompt.
    root@OS10: /# linuxadmin
  8. Enter your password at the system prompt, then enter the new password twice.
    root@OS10: /# passwd linuxadmin
                                              Enter new UNIX password: xxxxxxxxx
                                              Retype new UNIX password: xxxxxxxxxx
                                              passwd: password updated successfully
  9. Enter the sync command to save the new password.
    root@OS10: /# sync
  10. Reboot the system, then enter your new password.
    root@OS10: /# reboot -f
                                              Rebooting.[  822.327073] sd 0:0:0:0: [sda] Synchronizing SCSI cache
                                              [  822.340656] reboot: Restarting system
                                              [  822.344339] reboot: machine restart
                                              BIOS (Dell Inc) Boot Selector
                                              S6010-ON (SI) (32-port TE/FG)

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