GRUB_CMDLINE_LINUX="console=tty0 console=ttyS4,115200n8" GRUB_SERIAL_COMMAND="serial --speed=115200 --port=0xe060 --word=8 --parity=no --stop=1"Create the file /etc/systemd/system/serial-getty@ttyS4.service with the following contents.
# This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. [Unit] Description=Serial Getty on %I Documentation=man:agetty(8) man:systemd-getty-generator(8) Documentation=http://0pointer.de/blog/projects/serial-console.html BindsTo=dev-%i.device After=dev-%i.device systemd-user-sessions.service plymouth-quit-wait.service After=rc-local.service # If additional gettys are spawned during boot then we should make # sure that this is synchronized before getty.target, even though # getty.target didn't actually pull it in. Before=getty.target IgnoreOnIsolate=yes [Service] ExecStart=-/sbin/agetty --keep-baud 115200 %I vt100-nav Type=idle Restart=always UtmpIdentifier=%I TTYPath=/dev/%I TTYReset=yes TTYVHangup=yes KillMode=process IgnoreSIGPIPE=no SendSIGHUP=yes [Install] WantedBy=getty.targetEnable the ttyS4 getty in systemctl with command below.
systemctl enable serial-getty@ttyS4.serviceReboot your machine. You should be able to use SOl via the following command. There will be a prompt for the AMT password. This was set in your BIOS.
amtterm host or ip addressCheck the status of the getty
systemctl status serial-getty@ttyS4.service