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6 votes

sddm shows a black screen only

I don't know why Elmo Todurov wrote a comment instead of an answer, but it was indeed the only working solution for me and therefore an answer. edit the file: /usr/share/sddm/scripts/Xsetup prepend ...
Proper's user avatar
  • 61
5 votes
Accepted

How do I change Fedora to SDDM from GDM?

You can use systemctl to switch to SDDM - first disable your current display manager. Do the switch like this: systemctl disable gdm systemctl enable sddm Probably easiest to reboot after this.
rickhg12hs's user avatar
  • 1,235
4 votes

Sddm is not starting but in theory everything is working!

sddm.service is started by symbolic link /etc/systemd/system/display-manager.service (which points to whichever X Display Manager you've installed and chosen to run as the default display manager), ...
telcoM's user avatar
  • 99.6k
3 votes
Accepted

Configuration file "/var/lib/sddm/.config/sddm-greeterrc" not writable is displayed when booting to KDE

I solved the issue by changing the owner of the /var/lib/sddm/.config/ directory recursively. The owner for the directory was root. chown sddm:sddm /var/lib/sddm/.config -R or chown -R sddm:sddm /var/...
kingfared's user avatar
3 votes

I want to able to run a script on login

I wanted to ask questions before I post a possible answer but I don't have enough rep for that so here goes many assumptions and few possibilities. I assume you are using X11 and not Wayland. Look for ...
Zander Labuschagne's user avatar
3 votes

log in to a desktop manager using commands typed on a different tty

This question is probably related to: Remotely start session on display :0 and Starting x11vnc remotely when X server is already running For this answer, I will assume systemd as service manager, ...
a-sf-d's user avatar
  • 58
3 votes

X is misrendering a rectangle around my mouse pointer

I found comment on bug report and it helped me (KDE NEON + nvidia driver) Crippling your system (switching to xrender and much slower nouveau driver) is not a solution. What works for me ...
RedEyed's user avatar
  • 256
3 votes
Accepted

Arch with XFCE & SDDM: New user doesn't get a full desktop environment... Why?

I have read your unedited post some hours ago and wasn't able to answer because i was at work. The solution for the cloned config files is maybe found here at the xfce forums. On your recent problem: ...
derwana's user avatar
  • 429
2 votes

X is misrendering a rectangle around my mouse pointer

I just recently struggled with this weird cursor box shadow issue myself on a new (to me) Dell XPS laptop that I was installing Fedora 30 on (though this problem is clearly not specific to Fedora - ...
Hans's user avatar
  • 191
2 votes
Accepted

insserv: warning: script 'K07smfpd' missing LSB tags and overrides

Thanks to steeldriver and his comment i could read this question on Ask Ubuntu: 16.04 LTS Update fails - Errors were encountered while processing util-linux. I don't have a samsung printer/driver but ...
Alex Verschoot's user avatar
2 votes
Accepted

sddm fails to ignore users

I found that SDDM has, by default apparently, another config file located at /usr/lib/sddm/sddm.conf.d/sddm.conf. After editing that file the same way I had previously edited /etc/sddm.conf.d/uid.conf,...
MountainX's user avatar
  • 18.1k
2 votes

How do I change the login screen in Arch linux?

I went to system settings > Login Screen (SDDM). Then I installed a new SDDM theme and replaced the current theme.
antimatter's user avatar
2 votes
Accepted

Display Manager isn't starting on fresh Debian 10 install

Ok I've solve this now rather unexpectedly. I got fed up trying to find a solution and moved on to installing my graphics chipset drivers, and then suddenly booting into graphical mode started ...
irwazr's user avatar
  • 51
2 votes
Accepted

Remove launch options from SDDM other than Plasma

These options are usually not configured per-DM, but in a common location for all DMs. The usual place is /usr/share/xsessions, where .desktop files will be present for each login option. Per-DM, ...
muru's user avatar
  • 73.4k
2 votes

How to show seconds in time format of KDE lock screen?

Yes, it is possible. Open '/usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/Clock.qml' with root rights, then edit this line: text: Qt.formatTime(timeSource.data["Local&...
Ashark's user avatar
  • 969
1 vote

SDDM error module org.kde.plasma.core not installed

I had this exact same problem and I was able to fix it by installing plasma-framework. I'm using an Arch distribution called Garuda Linux, so I just had to run sudo pacman -S plasma-framework.
Hrvoje Jurić's user avatar
1 vote
Accepted

How to properly set environment variables for KDE?

After a long time, I finally came back to analysing this issue and embarrassingly found out that the exports were working, but I had two conflicting exports, through .zprofile and .xsessionrc for the ...
Utkarsh Verma's user avatar
1 vote

Where to put a command to be run when I log in to Lubuntu running SDDM?

sddm.conf specifies several sections, of which you want the 'SessionCommand' parameter of the [Wayland] section. The default script, which is in "/etc/sddm/wayland-session" checks for and ...
Druid's user avatar
  • 11
1 vote

Where to put a command to be run when I log in to Lubuntu running SDDM?

As it's SDDM: Looking at the manpage of sddm.conf, there's SessionCommand= Path of script to execute when starting the user session. This script receives the value of the "Exec" setting in ...
dirkt's user avatar
  • 32.5k
1 vote

Configuration file "/var/lib/sddm/.config/sddm-greeterrc" not writable is displayed when booting to KDE

Got the same issue on my install. Just touch the file at that address: touch /var/lib/sddm/.config/sddm-greeterrc
Amoo Hesam's user avatar
1 vote
Accepted

Fedora 29 graphical login screen (sddm) displays only virtual keyboard

The virtual keyboard should be by default diplayed on devices without HW keyboard (like tablets). However not on normal PC with keyboard attached. To avoid virtual keyboard in the sddm open /etc/sddm....
Jaroslav Kucera's user avatar
1 vote
Accepted

What enables Alt+Click Window Dragging

KDE(actually the window manager of KDE) receive the key/mouse/any input device event from Xorg, then decide to tell Xorg to move the window. Display Manager does two things: Authenticate your user ...
炸鱼薯条德里克's user avatar
1 vote

How can I disable the poweroff and reboot button in sddm on Debian?

If you don't want them to show then it should be set to false in /etc/sddm/sddm.conf. In theory anyway, as this doesn't appear to be an actual option listed in the docs. e.g. HaltCommand= is suppose ...
Michael Prokopec's user avatar
1 vote
Accepted

Unable to login to specific user under sddm on Arch

I started focusing on the xauth error, did some research and found recommendations to use strace xauth, this gave me errors such as "permission denied", I checked and the user's home directory (top ...
aSystemOverload's user avatar
1 vote
Accepted

sddm slow to launch

Over on the Arch Linux BBS, Haller wrote: It's a kernel problem: https://bbs.archlinux.org/viewtopic.php?id=236696 This resolved it for me: pacman -Syu haveged systemctl enable haveged.service ...
MountainX's user avatar
  • 18.1k
1 vote

X is misrendering a rectangle around my mouse pointer

I had almost the same problem, but it was caused by a bug with the zoom feature. When I deactivated it, it went away. (running Pop OS which is Debian/Ubuntu-based) Link to the bugreport
Dorian Gaensslen's user avatar
1 vote
Accepted

Does installing KDE also install sddm?

Turns out, I was missing the sddm package on this system. Installing it allowed to immediately choose sddm as my display manager: sudo apt-get install sddm
user1301428's user avatar
  • 1,047
1 vote
Accepted

X is misrendering a rectangle around my mouse pointer

Switching from the NVidia driver to the Nouveau driver solved the problem. The Nouveau driver does indeed support rotated monitors. Doing the switch was a little fussy, because the NVidia driver ...
Mark Dominus's user avatar
1 vote

X is misrendering a rectangle around my mouse pointer

This issue is reported on Launchpad: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-384/+bug/1684240 If you have an account there, mark it as affecting you too and subscribe for ...
int_ua's user avatar
  • 243

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