Skip to main content

Questions tagged [sddm]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
12 views

Seconds on the login screen and lock screen in sddm. KDE plasma 6.1.5. CachyOS Linux

I'm using CachyOS, which is a Linux-based system, specifically from the Arch Linux family. I have KDE Plasma 6.1.5 and SDDM version 0.21.0 (Wayland) and I would like to add seconds to the login screen ...
Morus's user avatar
  • 1
1 vote
0 answers
23 views

On Debian KDE (sddm), how can I switch the audio sink before I login or before a startup sound is played?

For practicality reasons, I leave a detachable headphone cable permanently plugged into the back of my motherboard. My monitor also has speakers though, which I use during the day when I won't disturb ...
Hollis Hurlbut's user avatar
0 votes
0 answers
88 views

"Failed to read display number from pipe" when running SDDM on Arch linux ARM (Virtual machine)

I wanted to try Arch and as I have an M1 Mac, I need to use the ARM version of arch or otherwise my Arch is slow as fuk because it's emulated. I'm using UTM as my virtual machine (for those who don't ...
axolotlKing0722's user avatar
0 votes
0 answers
25 views

SDDM on across one giant screen

I wish to have SDDM stretch all 3 of my monitors. This way, I can have one giant art background across three monitors with the login options in the middle monitor.The code I have in the Xsetup is ...
Jaimie Richards's user avatar
0 votes
0 answers
144 views

Running X11 session from SDDM on Wayland

I'd like to open a new X11 user session from SDDM on Wayland. Default SDDM behavior is to run on X11. Thus, it starts X11 server first, then it can successfully start a session first for itself, and ...
insanie's user avatar
0 votes
1 answer
78 views

How to make the superuser appear in the SDDM user list?

I'd like to be able to log in as the superuser via SDDM without having to manually enter its username. I'd consequently like to have it appear amongst users (created via KDE Plasma 6's kcm_users).
RokeJulianLockhart's user avatar
0 votes
0 answers
47 views

SDDM PreSession

Need to run the script in SDDM after initializing the user session with sudo rights and use the $USER variable of the logged-in user in it. GDM has PreSession and PostLogin https://www.jirka.org/gdm-...
funny_rebbit's user avatar
0 votes
0 answers
48 views

SDDM freeze when switching users on Debian fresh install

I have an issue with sessions switching in Debian/KDE plasma (problem with SDDM I think?). I've been using Ubuntu for years but I don't know much about the details of how Linux works. I installed ...
dorsantos's user avatar
0 votes
0 answers
153 views

How to change the timeout between incorrect password attempts in SDDM?

When entering a password, either in terminal or on login screen (in my case SDDM), the default timeout between incorrect attempts is around 2 or 3 seconds. I want to change it to something lower as I ...
lightproof's user avatar
0 votes
1 answer
475 views

Debian12 with KDE5: How to make Wayland the default?

I thought it was enough to Log Out then in the upper left of the lockscreen clicking the dropdown to change it from "Plasma (X11)" to "Plasma (Wayland)" would be enough but ...
mYnDstrEAm's user avatar
  • 4,458
0 votes
1 answer
458 views

How do I Get My Fingerprint Sensor to work with SDDM Login in NixOS (Plasma 6)

My fingerprint sensor works fine, in fact it works quite well except when it comes to SDDM. I use fprintd and systemd. I have looked online for solutions, one involved changing some code in a systemd ...
MatsuNoKi's user avatar
0 votes
0 answers
32 views

Radeon card on computer may is defect after current problems. How to check? sddm not start, card detected but no vram

Radeon card on computer may is defect after current problems. How to check? sddm not start, card detected but no vram My raddeon sapphire has 3 fans. These fans were only turning when had gpu loads to ...
Estatistics's user avatar
1 vote
1 answer
1k views

sddm won't let me login to Plasma

I have the problem where sddm won't let me login to my box, it just throws me back to the password entry screen. When I change to a shell with Ctrl-Alt-F2 and login, it tells me user change directory ...
MisdeBug's user avatar
1 vote
0 answers
368 views

For the SDDM login screen, how do I change the behavior when my laptop lid is closed?

I have Fedora KDE 37 installed on my laptop. I use NoMachine to connect to the laptop remotely from my Windows 10 desktop, so I typically leave the lid closed. I was able to configure my normal ...
Dave F's user avatar
  • 583
3 votes
0 answers
52 views

Running Openbox and MATE in parallel with KDE causes freezing on Debian

I am running Parrot OS (Debian) with KDE as the default desktop environment and SDDM as the display manager. I want to run Openbox and MATE desktop environments parallel to KDE on different virtual ...
Catalyst3474's user avatar
0 votes
1 answer
1k views

How do I change the avatar of a user in SDDM & KDE Plasma 5?

I’m using simple desktop display manager (SDDM) & KDE Plasma 5. How do I configure the avatar picture of a non-root user, through commands (so that I can automate it)? How do I do the above in a ...
Константин Ван's user avatar
0 votes
1 answer
495 views

sddm wrong touch coordinates on steam deck and garbled content on connecting second monitor

I'm trying to set up a Debian-soon-to-be-known-as-Bookworm (aka "testing", at the time of this writing) system on a steam deck, using KDE plasma as desktop environment and sddm as login ...
Torsten Crass's user avatar
1 vote
0 answers
648 views

How to set up SDDM and PAM to cooperate on blocking some logins?

In short - I've read few topics and articles and I can't get PAM to work with SDDM (I'm using Ubuntu+XFCE4+SDDM) I've modified /etc/security/time.conf file to this login ; * ; aaaa ; Wk1900-2000 login ...
Rafiz's user avatar
  • 11
0 votes
0 answers
316 views

login screen freezes

I recently installed Ubuntu and when I boot the system or try to login from suspend state the username and password fields gets kind of hang. It takes anywhere from 10 secs to 1 min before it allows ...
Srinidhi's user avatar
2 votes
1 answer
1k views

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

I am using Russian locale and I use KDE. When locking screen with Meta + L, you see the current date and time on it. The time is in format "12:34". I want to change it to "12:34:56"...
Ashark's user avatar
  • 1,029
1 vote
0 answers
970 views

How can I change the keyboard layout in SDDM in combination with Wayland and without systemd?

I want to change the keyboard layout to de (German) for typing my password to login to KDE. None of the solutions/suggestions I found on the Internet combine the following three parts that I use and ...
problemofficer - n.f. Monica's user avatar
0 votes
1 answer
346 views

SDDM Returning User Screen Does Not Respect Configurations

Versions: Kubuntu 22.10 sddm 0.19.0-3ubuntu1 kde-config-sddm 4:5.25.5-0ubuntu1 I am using the KDE system settings to configure SDDM with a theme and background, and I have not done any other ...
fin444's user avatar
  • 141
1 vote
2 answers
3k views

How do I change default session from plasma x11 to plasma wayland in OpenSUSE tumbleweed?

I run latest OpenSUSE tumbleweed, KDE only. I wish to switch the default session from Plasma X11 to Plasma wayland. What should I do to achieve this? The login manager I use comes from sddm. And I can ...
Paulske's user avatar
  • 111
1 vote
0 answers
886 views

Sddm theme works in test mode but not when logging in

I'm running Fedora 36 on both my laptop (specs: ryzen 5900hs and rtx 3060) and my desktop (specs: ryzen 6 3600 and rtx 2070S). I installed and enabled sddm, and applied this theme. Same process and ...
DVT's user avatar
  • 11
0 votes
0 answers
107 views

Manjaro / SDDM Login during typing

i have a strange but super annoying problem. Every time i start my pc i go to the login screen and start typing my password. In the middle of typing, i get the message "Login failed". So ...
djnose's user avatar
  • 101
0 votes
2 answers
4k views

how to reset debian 11 lxqt desktop configuration

I reinstalled my Debian 11 and try configure it but everything goes wrong. I need to reset it as fresh new. What i tried :- dconf-cli command replace user .config with root .config but things didn't ...
yashlodhi's user avatar
1 vote
0 answers
1k views

Display manager not starting KDE. SDDM freezes machine at boot

This is my first post here so I apologize any inconvenience. After many attempts, I have sucessfully installed Arch and tested some DEs in a virtual machine. I tried GNOME with gdm and it went well. ...
th3g3ntl3m4n's user avatar
0 votes
1 answer
731 views

Add XMonad to SDDM

I have installed arch and KDE. Now I want to test XMonad : I build XMonad with Stack (because for some import I need the source) I create the desktop file in /usr/share/xsessions/ with the right ...
Hadock's user avatar
  • 111
1 vote
1 answer
5k views

Cant get to SDDM login screen, startx works - KDE on Ubuntu server

A similar question was asked, but did not solve if startx is working: Sddm is not starting but in theory everything is working! echo 'exec /usr/bin/startplasma-x11' > ~/.xinitrc worked to make ...
alchemy's user avatar
  • 677
0 votes
1 answer
1k views

KDE+SDDM won't launch Xorg can't find screen (EE) [closed]

So currently I am running gentoo in CLI, and wanted to install desktop enviroment. I followed gentoo wiki, but sddm seems not to work correctly: GENTOO MACHINE ~ # rc-service display-manager start --...
Dolidod Teethtard's user avatar
2 votes
1 answer
11k views

How do I change Fedora to SDDM from GDM?

I keep finding sources talking about changing the DM and DE using /etc/sysconfig/desktop but when I write this in the file, nothing changes: DESKTOP="GNOME" DISPLAYMANAGER="SDDM" ...
okbobby's user avatar
  • 23
0 votes
1 answer
86 views

Can't drop down to virtual console. All I see are the system login/boot messages (like a bootup screen) - can't type anthing

Ctrl+Alt+F1 workedgave me access to the console before, now it shows me the boot up and login process messages ("started CUPS, network manager etc.) The funny thing is my graphical session works ...
user27636's user avatar
  • 183
0 votes
2 answers
7k views

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

I have installed KDE in the /opt prefix and when I try to use different themes in SDDM like breeze or Sweet-Mars I always get the error saying that the main module “org.kde.plasma.extras” and module “...
Sai Maanas music's user avatar
0 votes
0 answers
206 views

KDE black screen after login, problem with Qt libraries

I am using a clean OpenSUSE Leap 15.2 installation with KDE. I installed a list of packages for an application I am developing which require a number of Qt5 libraries, and for it to work, I have to ...
georgebax's user avatar
2 votes
0 answers
628 views

Can't see dwm in sddm on opensuse Leap 15.2

I installed dwm on opensuse leap 15.2 and was expecting to see it in the desktop session list, though it's not there. I see IceWM Session, Plasma,TWM, Plasma(FullWayland) and Plasma(Wayland) Is there ...
Mark Scheck's user avatar
3 votes
0 answers
3k views

Black screen and cursor in SDDM

I have just bought a new computer (with an Intel Core i9 10850K CPU, so a Intel UHD Graphics 630 CPGPU). It is shown here: $ lspci -v 00:02.0 VGA compatible controller: Intel Corporation Device 9bc5 (...
GlinesMome's user avatar
0 votes
2 answers
2k views

No GUI error after installing debian buster

I have installed Debian 10 on my laptop Dell Inspiron . But when booting first time into Debian, It directs me into the command-line interface, why? I am sure, I have chosen Graphical Install during ...
Pravesh Kumar Sharma's user avatar
1 vote
0 answers
546 views

In Debian, how can I keep X11VNC alive when I open KDE session

Using Debian 9 + X11VNC + KDE5 I have a script in /usr/share/sddm/scripts/Xsetup that runs x11vnc before sddm starts, so I can access the launcher with VNC. My problem is that the VNC connection is ...
PatriceJ's user avatar
2 votes
1 answer
7k views

I want to able to run a script on login

I'm running KDE Manjaro. I have a background changer script which I want to run on login, but the thing is it doesn't do that. What I want it to do is run it every time I login doesn't matter how, ...
rodude123's user avatar
  • 121
1 vote
0 answers
614 views

Logging in just returns me to the login prompt - sddm authorization file issue

I just upgraded to Fedora 32, running KDE. By default it seems SDDM is the login greeter. When I log in the screen flickers and I am immediately returned to the greeter login prompt. Switching to a ...
jozxyqk's user avatar
  • 702
2 votes
1 answer
5k views

How to properly set environment variables for KDE?

I'm using Kubuntu v20.04, which I launch using SDDM. The issue I'm facing is setting some environment variables for my Xsession. I use ~/.config/plasma-workspace/env/env.sh to export my environment ...
Utkarsh Verma's user avatar
3 votes
1 answer
1k views

Display Manager isn't starting on fresh Debian 10 install

I just installed Debian 10 (amd64) on my desktop. During the install GUI I told it to install both the Gnome and KDE desktop environments, and when it asked me which desktop manager I wanted to use (...
irwazr's user avatar
  • 51
1 vote
2 answers
20k views

Sddm is not starting but in theory everything is working!

It wasn't a long time ago when I decided to start an adventure with Linux. I started with a virtual machine (VMware workstation Pro) and everything worked fine. I've picked Debian 10.4.0 distro with ...
MyDefaultNickname's user avatar
1 vote
1 answer
249 views

What is this small dialog box in the picture? How to remove it?

I was configuring my KDE + i3wm hybrid setup and after adding a custom ~/.xsession(which is this commit), I keep seeing a small dialog box which appears after I enter a correct password. When I click ...
Utkarsh Verma's user avatar
1 vote
0 answers
718 views

Linux Mint 19.2 freezes and crashes when playing videos online

Can't play any video from the internet, no youtube, dailymotion etc. Tried playing youtube videos through vlc, same result. Sometimes, mint just crashes and reboots and most of the times it gets stuck,...
x0_0x's user avatar
  • 11
1 vote
3 answers
3k views

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

I'm trying to set a wallpaper from the terminal. The script is: pcmanfm-qt --set-wallpaper=$(ls /home/$USER/.local/share/wallpapers/*/* | shuf -n1) This changes the wallpaper, but I want it to be ...
randomswimmer's user avatar
0 votes
1 answer
6k views

Arch Linux: Stuck on boot screen (Reached target Graphical Interface)

Two days ago I did a system update with sudo pacman -Syyu Unfortunately, my battery was empty and my laptop turned off during the System update. When I tried to start Arch Linux again, I was stuck ...
antimatter's user avatar
0 votes
1 answer
487 views

Can not login as root after installing zsh

I installed ZSH and made it the default bash for my kali linux system, then I rebooted the system, and I could not login as root any more. I type in the correct password and it says LOGIN FAILED. I ...
JUST HELP ME's user avatar
1 vote
2 answers
8k views

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

I have KDE-Plasma on Arch. I recently changed my DE from Gnome to KDE because of some gdm issues. Everything is working great but while booting, a dialogue shows this prompt. Pressing Enter boots up ...
Pushkar Patel's user avatar
2 votes
3 answers
5k views

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

Say a computer is booted to its desktop manager (SDDM, in this case) and you want to send a command over ssh to make that computer log in as a particular user as if they logged in with the keyboard at ...
jdoggsc's user avatar
  • 21