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Full Discussion: Missing serial port
Top Forums UNIX for Dummies Questions & Answers Missing serial port Post 302421918 by dotancohen on Monday 17th of May 2010 04:24:16 AM
Old 05-17-2010
Thanks, Corona. It turns out that the problem was that the Kernel needed to have the remainder of the ports activated:
Linux Online - Serial HOWTO: Serial Tips And Miscellany
 

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SYSTEMD-GETTY-GENERATOR(8)				      systemd-getty-generator					SYSTEMD-GETTY-GENERATOR(8)

NAME
systemd-getty-generator - Generator for enabling getty instances on the console SYNOPSIS
/usr/lib/systemd/system-generators/systemd-getty-generator DESCRIPTION
systemd-getty-generator is a generator that automatically instantiates serial-getty@.service on the kernel console /dev/console if that is not directed to the virtual console subsystem. It will also instantiate serial-getty@.service instances for virtualizer consoles, if execution in a virtualized environment is detected. This should ensure that the user is shown a login prompt at the right place, regardless of which environment the system is started in. For example, it is sufficient to redirect the kernel console with a kernel command line argument such as console= to get both kernel messages and a getty prompt on a serial TTY. See kernel-parameters.txt[1] for more information on the console= kernel parameter. systemd-getty-generator implements the generator specification[2]. Further information about configuration of gettys you may find in systemd for Administrators, Part XVI: Gettys on Serial Consoles (and Elsewhere)[3]. SEE ALSO
systemd(1), agetty(8) NOTES
1. kernel-parameters.txt https://www.kernel.org/doc/Documentation/kernel-parameters.txt 2. generator specification http://www.freedesktop.org/wiki/Software/systemd/Generators 3. systemd for Administrators, Part XVI: Gettys on Serial Consoles (and Elsewhere) http://0pointer.de/blog/projects/serial-console.html systemd 208 SYSTEMD-GETTY-GENERATOR(8)
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