See Users and groups#User groups for details. Otherwise you will need root's permission to make a connection: Note: Before making a connection, it is recommended to add your user to the uucp group. Making Connections Connect using a terminal emulator program Unless specified otherwise in the kernel command line, getty will be expecting 38400 bit/s baud rate, 8 data bits, no parity and one stop bit-times. For /dev/ttyS0 (COM1) that would be Enable the service to start it at boot. If you have not configured console= in kernel command line start rvice. The last specified console= will be set as /dev/console.Īt boot, systemd-getty-generator(8) will start a getty instance for each console specified in the kernel command line.
#Linux minicom serial#
Kernel's output can be sent to serial console by setting the console= kernel parameter. Read Syslinux Wiki:Config#SERIAL for the directive's options. The serial parameters are hardcoded to 8 bits, no parity and 1 stop bit. To enable serial console in Syslinux, edit syslinux.cfg and add SERIAL as the first directive in the configuration file.įor COM1 ( /dev/ttyS0) with baud rate of 115200 bit/s: REFInd supports serial console only in text mode.
If no key is pressed, the boot menu will appear on whichever (serial or console) appears first in the terminal configuration line.
#Linux minicom series#
Note: When the terminal -timeout=5 serial console line is added to your menu.lst, your boot sequence will now show a series of Press any key to continue messages.
#Linux minicom manual#
Read GRUB's manual on Using GRUB via a serial line and the serial command for detailed explanation of the available options.Įdit the GRUB Legacy configuration file /boot/grub/menu.lst and add these lines to the general area of the configuration: GRUB_SERIAL_COMMAND="serial -unit=0 -speed=115200" For COM1 ( /dev/ttyS0) with baud rate of 115200 bit/s: Next add the GRUB_SERIAL_COMMAND variable and set the options for the serial connection. When using GRUB with a generated grub.cfg, edit /etc/default/grub and enable serial input and output support:
5.3 Missing ports on multi-port expansion cardsĬonfigure console access on the target machine Boot loader GRUB.
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