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Old 12-20-2015, 10:02 AM   #1
edwjnavan
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[Slackware] Dual monitors in terminal mode


Hi everyone,
I've just installed Slackware and have two monitors (one of laptop and one external monitor).
I'm looking for a solution to use effectively both monitors in terminal mode such as: one displays tty1, and the other for tty2. Then I can switch a monitor to X-system mode (for reading doc., web, google,etc.,), but the other is still in console mode (for learning ).
or the other way could be to merge two monitors into one and use as a large screen,
I preffer the first way but I don't know how to configure.
I googled and find a similar question here:
http://www.linuxquestions.org/questi...e-mode-332060/
But it seems not for my case, my laptop is dell inspiron n4030 and have no nvidia graphic card.
Could anyone help me to configure?
Thanks,
 
Old 12-21-2015, 02:41 AM   #2
Stéphane Ascoët
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I think it's not possible. The contrary would surprise me a huge lot.
 
Old 12-21-2015, 09:37 AM   #3
edwjnavan
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so how to use slackware with two monitors? no way?
 
Old 12-21-2015, 10:40 AM   #4
Thymox
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It's a bit outdated, but a very quick Googling for "linux multi monitor console" provided me with this gem:Using multi-headed framebuffers

It could help you in your search for command-line multi-head goodness.

Let me know how you get on.
 
Old 12-21-2015, 11:54 AM   #5
fu9ar
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I played with things like this a couple years back for one very stoned weekend, and while I *was* able to pipe video from mplayer to the framebuffer on a second monitor, I was not able to get terminal output there like you want, except as a pretty lame, badly kerned mirror of the main terminal. I had a *great* time with X though. I had a working three monitor setup for less than $300 USD.

It seems that systemd-consoled is working on this.

https://dvdhrm.wordpress.com/2012/08...off-config_vt/

Here is some links to the kernel code that does framebuffer, because wheee!

https://git.kernel.org/cgit/linux/ke.../tags/v4.4-rc6

https://git.kernel.org/cgit/linux/ke.../tags/v4.4-rc6

Last edited by fu9ar; 12-21-2015 at 11:55 AM.
 
Old 12-22-2015, 12:35 AM   #6
bogzab
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Both monitors X-based displays

If I understand your reasons for wanting this set up correctly, something close to what you want could be achieved as follows I believe. Get your main monitor up and running X with your favourite graphics card driver and window manager. Now using your display manager controls (should work with the drivers supplied by X and also the proprietary drivers provided by nvidia etc) set up the other monitor as a secondary X display and start up your favourite terminal emulator, drag it to your secondary display and maximise its window. Obviously this won't be a "true" console but if you are using it to learn the command line etc It should do the job OK.

Also remember that you can always switch to "real" virtual consoles on your main monitor with control-del-Fx where x is any value 2-6. control-del-F7 gets you back to your main X display.

Apologies if you already knew all this or I have completely misunderstood what you are trying to achieve.
 
Old 12-22-2015, 02:54 PM   #7
joe_2000
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Quote:
Originally Posted by fu9ar View Post
I had a *great* time with X though. I had a working three monitor setup for less than $300 USD.
Sounds interesting. Can you elaborate a bit more?
 
Old 12-22-2015, 03:34 PM   #8
Tinkster
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Moved: This thread is more suitable in <Slackware> and has been moved accordingly to help your thread/question get the exposure it deserves.
 
Old 12-22-2015, 04:26 PM   #9
briselec
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Quote:
Originally Posted by bogzab View Post
Also remember that you can always switch to "real" virtual consoles on your main monitor with control-del-Fx where x is any value 2-6. control-del-F7 gets you back to your main X display.
Ctrl+Alt+Fx and Alt+F7 to return on mine.
 
Old 12-22-2015, 04:52 PM   #10
kikinovak
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Quote:
Originally Posted by edwjnavan View Post
so how to use slackware with two monitors? no way?
I've had dual monitors for the past three or four years on my main workstation. If you really want to use mainly the console, simply configure X with a minimal window manager like WindowMaker (what I use, though the screenshot is from my single-monitor build server), Fluxbox or IceWM, and then you can open up a bunch of XTerms on your two monitors.

Cheers,

Niki
 
Old 12-22-2015, 10:26 PM   #11
bogzab
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@briselec: Yes of course, those shortcuts are ctrl+alt *NOT* ctrl+del as I posted. Apologies.
 
Old 12-23-2015, 07:46 AM   #12
MarcT
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You can certainly use multiple displays with X, and stretch the desktop over them all.
In console mode they normally mirror each other IME.
 
Old 12-23-2015, 08:19 AM   #13
j_v
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Quote:
Originally Posted by edwjnavan View Post
Hi everyone,
I've just installed Slackware and have two monitors (one of laptop and one external monitor).
I'm looking for a solution to use effectively both monitors in terminal mode such as: one displays tty1, and the other for tty2. Then I can switch a monitor to X-system mode (for reading doc., web, google,etc.,), but the other is still in console mode (for learning ).
or the other way could be to merge two monitors into one and use as a large screen,
I preffer the first way but I don't know how to configure.
I googled and find a similar question here:
http://www.linuxquestions.org/questi...e-mode-332060/
But it seems not for my case, my laptop is dell inspiron n4030 and have no nvidia graphic card.
Could anyone help me to configure?
Thanks,
If I understand you correctly, then it may be possible to get separate terminals on separate monitors, but there are some requirements and also limitations. If your rig has multiple gpus, then you might have multiple framebuffers. You can check by looking in /dev (there is also device info in /sys/class/graphics). These will be named fb0, fb1, ... etc, etc. When I have used multiple graphics cards in my rigs in the past, I had multiple framebuffers. Then, I was able to use the
Code:
fbcon:map:
kernel command line parameter to set up the virtual terminals to be on alternating frame buffers (see Documentation/fb/fbcon.txt in the kernel source tree, and the fbcon:map: section for more full detail). If you have only one gpu, but multiple monitors, then you will only be able utilize all monitors via X11. If you need further help, I can try to find the time to guide you some.
 
1 members found this post helpful.
Old 12-25-2015, 02:42 AM   #14
LinuxUser42
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Quote:
Originally Posted by fu9ar View Post
It seems that systemd-consoled is working on this.
Quote:
Originally Posted by Tinkster View Post
Moved: This thread is more suitable in <Slackware> and has been moved accordingly to help your thread/question get the exposure it deserves.
Seeing the above, moved into a Slackware section, gave me a laugh.

Been a long few weeks, and I needed it, thank you!
 
Old 12-25-2015, 04:03 AM   #15
NoStressHQ
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Quote:
Originally Posted by edwjnavan View Post
so how to use slackware with two monitors? no way?
...With X... then a terminal emulator... What else?
 
  


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