How to setup a serial console?

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LEARN ABOUT CENTOS

systemd-vconsole-setup.service

SYSTEMD-VCONSOLE-SETUP.SERVICE(8)			  systemd-vconsole-setup.service			 SYSTEMD-VCONSOLE-SETUP.SERVICE(8)

NAME

       systemd-vconsole-setup.service, systemd-vconsole-setup - Configure the virtual console at boot

SYNOPSIS

       systemd-vconsole-setup.service

       /usr/lib/systemd/systemd-vconsole-setup

DESCRIPTION

       systemd-vconsole-setup.service is an early-boot service that configures the virtual console font and console keymap. Internally it calls
       loadkeys(1) and setfont(8).

       See vconsole.conf(5) for information about the configuration files understood by this service.

KERNEL COMMAND LINE

       A few configuration parameters from vconsole.conf may be overridden on the kernel command line:

       vconsole.keymap=, vconsole.keymap.toggle=
	   Overrides the key mapping table for the keyboard and the second toggle keymap.

       vconsole.font=, vconsole.font.map=, vconsole.font.unimap=
	   Configures the console font, the console map, and the unicode font map.

       See vconsole.conf(5) for information about these settings.

SEE ALSO

       systemd(1), vconsole.conf(5), loadkeys(1), setfont(8), systemd-localed.service(8)

systemd 208													 SYSTEMD-VCONSOLE-SETUP.SERVICE(8)

Solaris