Dell EMC SmartFabric OS10 User Guide Release 10.5.0

如果丢失或忘记了 OS10 的用户名密码（包括 admin 密码），则可以通过执行以下步骤来恢复它。

1. 连接到串行控制台端口。串行设置为 115200 波特、8 数据位和无奇偶校验。
2. 重新引导或开启系统。
3. 接受所选的默认引导分区：OS10-A 或 OS10-B。

   +-------------------------------------------+
   |*OS10-A                                    |
   | OS10-B                                    |
   | ONIE                                      |
   +-------------------------------------------+

4. 在登录提示符处，输入 linuxadmin 用户名和密码。进入 linuxadmin 模式；例如：

   s4048t-1 login: linuxadmin
   Password:
   Last login: Thu May  2 05:03:40 UTC 2019 on ttyS0
   Linux s4048t-1 4.9.82 #1 SMP Debian 4.9.82-1+deb9u3 x86_64
   
   The programs included with the Debian GNU/Linux system are free software;
   the exact distribution terms for each program are described in the
   individual files in /usr/share/doc/*/copyright.
   
   Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
   permitted by applicable law.
   
   
   -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
   -*         Dell EMC  Network Operating System (OS10)           *-
   -*                                                             *-
   -* Copyright (c) 1999-2018 by Dell Inc. All Rights Reserved.   *-
   -*                                                             *-
   -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
   
   This product is protected by U.S. and international copyright and
   intellectual property laws. Dell EMC and the Dell EMC logo are
   trademarks of Dell Inc. in the United States and/or other
   jurisdictions. All other marks and names mentioned herein may be
   trademarks of their respective companies.
   
   linuxadmin@s4048t-1:~$

5. 在 linuxadmin 提示符处，输入 sudo -i 并输入 linuxadmin 密码以进入根模式。

   linuxadmin@s4048t-1:~$ sudo -i
   [sudo] password for linuxadmin:
   root@s4048t-1:~#

6. 在根模式提示符处，输入 passwd username 命令以恢复指定用户名的密码。输入新密码两次；例如：

   root@s4048t-1:~# passwd admin
   New password:
   Retype new password:
   passwd: password updated successfully

7. 退出并从根模式和 linuxadmin 模式注销。

   root@s4048t-1:~# exit
   logout
   linuxadmin@s4048t-1:~$ exit
   logout
   
   Debian GNU/Linux 9 s4048t-1 ttyS0
   
   Dell EMC Networking Operating System (OS10)

8. 使用 admin 用户名和密码登录 OS10，然后进入 CONFIGURATION 模式。

   s4048t-1 login: admin
   Password:
   Last login: Mon May  6 18:05:58 UTC 2019 on ttyS0
   Linux s4048t-1 4.9.82 #1 SMP Debian 4.9.82-1+deb9u3 x86_64
   
   The programs included with the Debian GNU/Linux system are free software;
   the exact distribution terms for each program are described in the
   individual files in /usr/share/doc/*/copyright.
   
   Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
   permitted by applicable law.
   
   
   -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
   -*         Dell EMC  Network Operating System (OS10)           *-
   -*                                                             *-
   -* Copyright (c) 1999-2018 by Dell Inc. All Rights Reserved.   *-
   -*                                                             *-
   -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
   
   This product is protected by U.S. and international copyright and
   intellectual property laws. Dell EMC and the Dell EMC logo are
   trademarks of Dell Inc. in the United States and/or other
   jurisdictions. All other marks and names mentioned herein may be
   trademarks of their respective companies.
   
   s4048t-1# configure terminal
   s4048t-1(config)# 

9. 在 CONFIGURATION 模式下使用 username password role 命令配置用户名称的已恢复密码；例如：

   s4048t-1(config)# username admin password admin12345 role sysadmin