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.
#Minicom how to use 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.
#Minicom how to use 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.
#Minicom how to use 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.4 Debugging an unresponsive machine using a serial console.3 Installing Arch Linux using the serial console.2.1 Connect using a terminal emulator program.1 Configure console access on the target machine.Will start minicom with the configuration stored into the file /etc/minicom/minirc. (e.g.: minirc.alix) and can be easily recalled by invoking minicom followed by the name you gave the configuration The configuration file will be saved into the directory /etc/minicom as minirc. If you are root and you select the option “save setup as.” then you will be able to save a named custom configuration Interesting is the possibility to save named custom configurations. If you are root then the configuration will be saved into /etc/minicom/minirc.dfl, These files can be easily created by starting minicom in setup mode minicom -s or sudo minicom -sĪnd after having configured what you need, selecting the option “save setup as dfl”. When started without options then it looks for the default configuration files Minicom allows you to store and recall configuration files in a quite handy way.