On Sat, Sep 4, 2021 at 9:40 AM al3xu5 <[email protected]> wrote: https://talk.newagtalk.com/forums/forum-view.asp?fid=12
> Sat, 4 Sep 2021 07:17:11 -0500 - o1bigtenor via Dng <[email protected]>: > > > On Sat, Sep 4, 2021 at 3:24 AM Steve Litt <[email protected]> > > wrote: > > > > > o1bigtenor said on Fri, 3 Sep 2021 06:19:31 -0500 > > > > > > [...] > > > > - I > > had to learn how to use xrandr so that I could set up the monitors so > > they would give my desired configuration and that needs to be entered >> >> >>  > > Enrico > > > EVERY time I restart the box! > > I also like to use lots of desktops and > > too many of the applications > > are quite stupid so then I need to shuffle things around at EVERY > > restart. > > Not sure what you are meaning here. If you run xrandr commands "manually" > at every restart, then you shoud use a login script to do this. > Well - - - - I have at least two different configurations right now. One with the 4k and one without. > > I have to use xrandr to adjust video output from my audio-video Linux box > to a old LCD TV: I have a small login script to have xrandr setting up > things at every login... I've read about those - - - - just haven't found a good cogent guide to creating such. There are so many things that I'm trying to do that I worry about the low hanging fruit and what absolutely needs to get done. If I have an up time of 6 months taking 3 minutes to type out 4 to 7 commands doesn't bug me. Now when my uptime is measured in single digit hours - - - - - anything to do with login and setup bugs me! Do you know of such a 'guide' (a how to on writing log in scripts. I'm finding that when I go looking for stuff that 90% of what the search engine drags up was current as of 2010 or earlier and I've been bitten enough times by stuff that's out dated - - - - don't need more of that joy!) ? > > Incidentally, I would like to share this two useful links: > - modeline generator: > http://xtiming.sourceforge.net/cgi-bin/xtiming.pl > - modeline database > https://www.mythtv.org/wiki/Modeline_Database > > > > I can > > not do most of that in about 30 to 40 minutes but it still a headache > > (every cotton > > picking time!!!!!!!!!!!!). Yes when I plug in the 4k monitor my uptime > > shrinks - - - > > the bet I"ve had in quite a few tries is 28 hours - - - - sometimes as > > low as 45 > > minutes - - - it doesn't bother me so much that I need to reboot - - - > > its the time > > it takes to get things back to the way I want them - - - - that's the > > pain. My computers > > are 'tools' for me - - - - they are not a hidden galaxy where I go to > > hide myself from > > the world around me. So I like to do some sorta - - - for most folks > > anyway > > - - > > unusual things - - - - I think that's my issue and not really anyone > > else's! > > > > [...] > > > > So please - - - -if anyone knows something about taming this nouveau hdmi > > issue > > (I think that's what it is!!!), or how to get my mobo to talk to radeon > > gpus I really > > want to talk. (I also am open for questions on my setup but would prefer > > not to > > broadcast everything on the web - - - grin!). > > Premise: I have never used more than 1 monitor... And excuse me if this is > of no interest for you. > > But, searching in the net (for "linux 4-monitor" or "linux multi-monitor"), > it seems X can handle up to 16 monitors since years, either Nvidia or > AMD, either proprietary or free drivers... > > Just in case you miss it, here below are some interesting links: > > How To Use Multiple and External Displays > https://www.makeuseof.com/tag/use-multiple-external-displays-linux-ubuntu/ > > I gave ubuntu the heave ho when they chose to force updates one their schedule. Am finding that they also seem to think that their solutions always work - - - - they sure as crap didn't when I was looking for ideas for my system setup the last time I was digging (some time ago but Ubuntu's arrogance as only increased so I now mostly avoid them except where they do something well (kernel supply is one interesting exception!). > > Quad-Monitor AMD/NVIDIA Linux > > https://www.phoronix.com/scan.php?page=article&item=quad_monitor_linux&num=1 Outdated instructions - - - - nvidia sure as stink no longer supports multi-gpu systems! They want you to buy pro gear to do that - - - - have you checked the pricing on that stuff. > > > Trying Out The Modern Linux Desktops With 4 Monitors + AMD/NVIDIA Graphics > > https://www.phoronix.com/scan.php?page=article&item=linux-quad-desktop&num=1 > > See previous. > > xorg - Using many monitors (4+) in linux > > https://unix.stackexchange.com/questions/2911/using-many-monitors-4-in-linux > > I originally used xorg and a pure x11 setup but that's a tough way to do things and today xrandr works very well and then thirdly see up two. > > Multihead - ArchWiki > https://wiki.archlinux.org/title/multihead > It was actually the ArchWiki pages on multihead and multi-gpu setups that helped me when I was setting up. I would suggest that the instructions are at least mostly out of date and I would advise using the pages only for ideas and not for actual method. > > Use multiple monitors as one big monitor > > https://askubuntu.com/questions/1192181/use-multiple-monitors-as-one-big-monitor > > Simpler solution - - - use xrandr. My first statment if I want to set up all 5 monitors is $ xrandr --fb 7680x3000 That gives me a large screen and then I place the monitors within that space. > > How to Set Up Multiple Monitors in Linux : 6 Steps - Instructables > https://www.instructables.com/How-to-set-up-multiple-monitors-in-linux/ > would be useful advice - - - if it were 2014 or so - - - - using Xorg is, if not deprecated, should be - - imo. > > > > Maybe you could be interested in a possible hardware solution, as pheraphs > could be a multi-monitor appliance (which surely is not cheap)... > Something like the Matrox QuadHead2Go Series: > > QuadHead2Go Q185 | Multi-Monitor Controller Appliance | Matrox Video > > https://www.matrox.com/en/video/products/video-walls/quadhead2go-series/q185-appliance > > I shouldn't have to spend more $$$$ . The issue is that nouveau doesn't really or hasn't finished getting hdmi 2.0 working. There may be reasons due to nvidia - - - - I am not in the know. Just know that as of kernel 5.10.46 things are NOT working well! You went to a lot of work trying to find ideas - - - greatly appreciated. There is far too much advice on linux that is quite dated and when it comes to gpus its a real big issue. Some places - - - no biggie - - - but for gpus - - - - not so. Thanks for the help and ideas. (Hoping you'll take my comments as information as to why something that seems like a good idea - - - well - - - if just ain't! rather than just as criticism.) Regards
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