在ILOM中，root用户的缺省密码是changeme. 为了系统的安全性，通常情况下需要修改root密码. 如果忘了密码，可以参考以下步骤重置root密码。
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用串口线连接Oracle服务器ILOM口
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以default用户登录
SUNSP-0000000000 login: default
Press and release the physical presence button.
Press return when this is completed...
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按照提示信息按一下 physical presence button，physical presence button的位置如下
Sun SPARC Enterprise T5xxx servers and X-Series is the Locator button
SPARC T3-1/T4-1: (rear) pin-hole to the left of the USB ports
SPARC T3-2/T4-2: (rear) pin-hole to the left of NET0
SPARC T3-4/T4-4: (rear) to the right of OK LED, above the USB port
SPARC T3-1b/T4-1b: (front) Locate button/Physical Presence (White LED)
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回到console口，按回车，输入default用户密码
default的缺省密码是: defaultpassword
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重置root用户密码或重建root用户
-> set /SP/users/root password=changeme
Changing password for user /SP/users/root...
Enter new password again: *********
New password was successfully set for user /SP/users/root