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HomeOperation and MaintenanceCentOSWhat should I do if I forget my centos login password?

忘记 CentOS 服务器登录密码的重置步骤如下:启动救援模式。挂载根文件系统。使用 chpasswd 实用程序重置 root 密码。卸载根文件系统。退出救援模式并重新启动服务器以使用新密码登录。

What should I do if I forget my centos login password?

如何重置 CentOS 登录密码

如果忘记了 CentOS 服务器的登录密码,可以采用以下步骤进行重置:

步骤 1:启动到救援模式

  • 重新启动服务器。
  • 在引导菜单中,选择 "救援模式"。
  • 选择 "用 shell 继续"。

步骤 2:挂载根文件系统

  • 以下命令挂载根文件系统:

    <code>mount -o remount,rw /sysroot</code>

步骤 3:重置密码

  • 以下命令使用 chpasswd 实用程序重置 root 用户的密码:

    <code>chpasswd root</code>
  • 输入新密码并确认。

步骤 4:卸载根文件系统

  • 以下命令卸载根文件系统:

    <code>umount /sysroot</code>

步骤 5:退出救援模式

  • 以下命令退出救援模式:

    <code>reboot</code>

服务器将重新启动,您现在可以使用新密码登录。

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