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  6. What Can I Do If the Login Page Does Not Respond?

What Can I Do If the Login Page Does Not Respond?

Symptom

On the page for remotely logging in to a BMS, after you press Enter, the page does not respond.

Possible Causes

The BMS OS configuration does not allow remote login to the BMS.

Solution

Use a key pair to log in to the BMS and configure the OS as required. The configuration varies depending on the OS. The following part provides configuration of some OSs as examples. For details, see section "Configuring Remote Login to a BMS" in Bare Metal Server Private Image Creation Guide.

  1. Modify the configuration file.

    • For SUSE Linux Enterprise Server 12 SP2, SUSE Linux Enterprise Server 12 SP1, Ubuntu 16.04 Server, CentOS Linux 7.3, and EulerOS 2.2, use the vi editor to open the /etc/default/grub file and add console=tty0 console=ttyS0 after GRUB_CMDLINE_LINUX.
      Figure 1 Configuration example
    • For Oracle Linux 7.3 and Red Hat Enterprise Linux 7.3, use the vi editor to open the /etc/sysconfig/grub file and add console=tty0 console=ttyS0 after GRUB_CMDLINE_LINUX.
      Figure 2 Configuration example

  2. Refresh the configuration.

    • For SUSE Linux Enterprise Server 12 SP2, Oracle Linux 7.3, Red Hat Enterprise Linux 7.3, CentOS Linux 7.3, and EulerOS 2.2, run the following commands to update the configuration:

      stty -F /dev/ttyS0 speed 115200

      grub2-mkconfig -o /boot/grub2/grub.cfg

      systemctl enable serial-getty@ttyS0

    • For Ubuntu 16.04 Server, run the following commands to refresh the configuration:

      stty -F /dev/ttyS0 speed 115200

      grub-mkconfig -o /boot/grub/grub.cfg

      systemctl enable serial-getty@ttyS0

  3. (Optional) Modify the security configuration file.

    If you log in to the BMS through the serial port as user root, you need to modify the security configuration file. Add the following information to the end of /etc/securetty:
    Figure 3 Configuration example

  4. Run the reboot command to restart the OS.

After configuring the BMS OS, check whether you can log in to the BMS remotely.