(DNX devices) Recover the root login account

If the root account is disabled and SLX-OS CLI is not available, to recover the VM root password first recover the VM root login account.

Note

For a list of the currently supported DNX devices, see the "Supported Hardware" topic.

1. Reboot the device.
   

   # reboot
   Press Esc during reboot.
   Hit ESC to stop autoboot:  0
   FPGA f6000720 -> 0x12
   
   1) Start system.
   2) Recover password.
   3) Enter command shell.
   
   Option?
   

2. Choose option 3 to access the uboot prompt.
   

   Option? 3
   =>
   

   The uboot prompt appears.
3. Define the root login value for the root recover environment variable.
   

   => setenv VM_Root_Recover RootLogin
   =>
   

   This step sets the VM_Root_Recover variable with the RootLogin value.
4. Save the variable to flash memory.
   

   => saveenv
   Saving Environment to SPI Flash...
   SF: Detected W25Q128BV @ 0:0 with page size 256 Bytes, erase size 64 KiB, 32 KiB, 4 KiB, total 16 MiB
   Erasing SPI flash...Writing to SPI flash...
   Erasing SPI flash...Writing to SPI flash...done
   =>
   

5. Reboot.
   

   => boot
   6912784 bytes read in 152 ms (43.4 MiB/s)
   Valid Boot Flag
   Setup Size = 0x00004400
   Magic signature found
   Using boot protocol version 2.0c
   Linux kernel version 3.14.17 (raop@hq1-ub-ecbld-373) #1 SMP Thu Jul 7 19:43:15 UTC 2016 
   

   The root account is now enabled. You can login with the default password.