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Top Forums UNIX for Dummies Questions & Answers IP Console Vs Serial console. Post 302550704 by cjcox on Friday 26th of August 2011 06:34:20 PM
Old 08-26-2011
maybe... your question really isn't all that clear.

You might mean with regards to some kind of network remote access to the console head (which would be my favorite guess on this).

In that case, a serial console device is like an Avocent/Cyclades applicance that allows multiple machines to connect via serial cables to that applicance and then you are able to use ssh (for example) to go to the applicance and establish a serial session to the connected hosts. I like this and use this style for a lot of out of band stuff...

Then the IP console solution would likely be some kind of KVM over IP or some kind of access directly to some kind of IPMI like thing (doens't have to be a standard IPMI, could be Sun's ALOM/ILOM, HP's ilO, Dell's DRAC, etc). The IP support through that (the latter IPMI-like case) could come in a myriad of forms... could be some kind of web based access... might fire up a Java based app for the console, etc.).

so... here's hoping I guessed correctly... your question could mean many things!!
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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
/lib/systemd/system-generators/systemd-getty-generator DESCRIPTION
systemd-getty-generator is a generator that automatically instantiates serial-getty@.service on the kernel console(s), if they can function as ttys and are not provided by the virtual console subsystem. It will also instantiate serial-getty@.service instances for virtualizer consoles, if execution in a virtualized environment is detected. If execution in a container environment is detected, it will instead enable console-getty.service for /dev/console, and container-getty@.service instances for additional container pseudo TTYs as requested by the container manager (see Container Interface[1]). 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[2] for more information on the console= kernel parameter. systemd-getty-generator implements systemd.generator(7). Further information about configuration of gettys can be found in systemd for Administrators, Part XVI: Gettys on Serial Consoles (and Elsewhere)[3]. SEE ALSO
systemd(1), agetty(8) NOTES
1. Container Interface https://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/ 2. kernel-parameters.txt https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt 3. systemd for Administrators, Part XVI: Gettys on Serial Consoles (and Elsewhere) http://0pointer.de/blog/projects/serial-console.html systemd 237 SYSTEMD-GETTY-GENERATOR(8)

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