On Wednesday, 10 July 2024 12:44:28 BST Dale wrote: > It sounds like you recommend me using xorg.conf and not xrandr. I was > thinking that using both would also cause a clash. Basically, I need > one tool to do this. That's why I picked xorg.conf for long term, > xrandr is just for now or a second option. I may comment that command > and reboot. See if it is the xorg.conf file doing the work or xrandr.
I recommend using whichever tool does the job best, for your specific needs. Normally, sections for xorg.conf can be used for special input and display configurations, when the default configuration (running without a xorg.conf) will not do. The xranrd command is there to manually interface in real time with the RandR extension of the X11 API and change some settings to make sure they suit your preferences. You can, if you want to, script it and run it every time X starts, to change the default settings. If you are always using Plasma, then it may be convenient to use neither an xorg.conf, nor xrandr and instead use the 'Plasma > SystemSettings > Display and Monitor' GUI to configure your desktop setup. Any of the above three options should be able to do the job, but some may be more reliable than others. I found out whenever Plasma was being upgraded to a new major/minor version the layout on a dual monitor setup running on X was all over the place. I moved that system over to Wayland and I had no more complaints from users about a displaced toolbar, or reversed monitor layout and the like. YMMV. > I think we talked about this maybe off list. On my old machine, when > sddm comes up, the password field on the second monitor shows the dots, > TV in my case. On the new machine, both monitors show the dots for the > password. I'm not sure what is different tho. It did that even before > I set the primary option. I like it that way myself but makes me > curious why my main rig is different. It seems the new rig sends the > same screen to both monitors. Once logged into KDE, it splits into two > monitors. My main rig it seems is always two separate screens. As far as I know SDDM is using the file(s) in /usr/share/sddm/scripts/ to start a login GUI. I haven't looked into how far can these be tweaked for a dual monitor setup and if they even have a 'primary' monitor concept. > I got some things going on. I'll read the email closer later and make > some changes. I'll post back then. Oh, so far, it shows several > packages headed in the right direction. The monitor stand left a small > hub and when it leaves there, it almost always gets delivered that day. > So, I may get the monitor stand today. The new /home hard drive is on > the right path too. I'm expecting quite a lot of packages. While > proofing this, got text from USPS that stand and several other packages > are out for delivery. UPS updates a little later. > > Oh, in /etc/X11/xorg.conf.d/ when the files are numbered, does it read > them from low to high? Yes. > If I set a option in one file but set the same > option differently in another file, which one does it apply? Or does it > not apply either? First the lower numbered file, then the higher numbered file (see man run- parts). Also see explanation in the URL below. > Thanks for the info. :-D Will work on it shortly. > > Dale > > :-) :-) https://wiki.gentoo.org/wiki/Xorg.conf The separate files in /etc/X11/xorg.conf.d/ are meant to break things up and make it easier to check, add, or take out sections. Configuration files are read in numeric order and sequentially, i.e. 10-monitor.conf will be read and applied before 20-monitor.conf, or 30-something-else.conf. Files will be read in alphabetic order if they are not prefixed by a number. Note, as the above URL points out, if you have a /etc/X11/xorg.conf file it will take precedence over any files in /etc/X11/xorg.conf.d/ and these in turn will take precedence over the default files installed in /usr/share/X11/ xorg.conf.d/.
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