Help Center/ Bare Metal Server/ Private Image Creation Guide/ Linux/ Configuring Remote Login to a BMS/ x86: Ubuntu 16.04/Ubuntu 18.04
Updated on 2022-11-03 GMT+08:00
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x86: Ubuntu 16.04/Ubuntu 18.04

  1. Use the vi editor to open the /etc/default/grub file and add the following information after the GRUB_CMDLINE_LINUX field: 
    consoleblank=600 console=tty0 console=ttyS0,115200
  2. Run the following commands to update the configuration:
    • Run the stty -F /dev/ttyS0 speed 115200 command to change the baud speed to 115200.

    • Run the stty -F /dev/ttyS0 -a command to check whether the baud speed is 115200.

    • Run the grub-mkconfig -o /boot/grub/grub.cfg command.

  3. Use the vi editor to open the /etc/rc.local file and add the following content to the file: 
    systemctl stop getty@ttyS0
  4. To enable user root to log in to the BMS through a serial port, add ttyS0 to the end of the security configuration file /etc/securetty.
  5. Run the systemctl is-enabled serial-getty@ttyS0 command to check whether serial-getty@ttyS0 is set to automatically start upon system startup.