Questions tagged [sddm]

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Help with SDDM and KDE plasma

I have a pretty old toshiba laptop that I put arch onto and it was working fine with sddm for the log in and Plasma as the DE. However now when I try to launch SDDM it doesnt do anything and when ...
0
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1answer
66 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 ...
0
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1answer
75 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 ...
0
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0answers
18 views

Getting permanently connected TV that has multiple connections to only become a display device when tuned to the PC connection?

I've got a computer running Void Linux (so runit, not systemd), SDDM and KDE Plasma (wayland). It has two display devices permanently connected (back of PC is not readily accessible), a monitor on ...
0
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1answer
75 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 ...
0
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1answer
184 views

How do I change the login screen in Arch linux?

Well, I currently installed Arch Linux with the Desktop Enviroment KDE Plasma 5. But I don`t like the Login screen, so I want to change it. I installed the display-manager sddm. Does anyone know how ...
0
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0answers
10 views

Failing to start a new X session

I'm trying to launch a new X session in a console (tty). The problem is when I launch it with startx, all I get is a black screen for 1~2 seconds, and then nothing : I'm getting back to the console, ...
0
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0answers
64 views

How can I reduce failed login delay in Arch Linux with KDE?

I tried some /etc/pam.d modification and succeeded in reducing tty login delay. But in lockscreen it always takes 2 seconds delay with failed login. How can I reduce this? There was a possible ...
0
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0answers
35 views

SDDM not starting WM after login of NIS-User

I have a system setup to get its users via NIS/yp from our accounts-server. Logging in via tty is not a problem and works perfectly. From there, I can also run startx just fine, so the WM starts. ...
0
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0answers
22 views

dm_crypt mount on login takes 90 seconds

I'm trying to configure automounting encrypted home on login with user password=encryption password. I'm using archlinux + kde + sddm + crypsetup (dm_crypt). Following archlinux article I did as ...
4
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0answers
284 views

Possible xorg memory leak

My problem in one picture : The memory usage of xorg as a child process of sddm keeps growing with time. Everytime I restart my computer, the problem reappears after a few dozens of minutes. I tried ...
1
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1answer
158 views

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

I've upgraded from Fedora 27 to 29. The upgrade itself passed fine, just after final reboot, the graphical login screen (sddm) just flickered standard screen with users and then displays virtual ...
0
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1answer
566 views

CentOS 7 SDDM can't click GUI with mouse

I ran a fresh Minimal install of Cent OS 7. When finished, I run this command to get the GUI setup: yum -y install epel-release;yum update -y;yum groupinstall "Xfce" -y;yum -y groupinstall X11;echo "...
0
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0answers
251 views

How can I boot into KDE on Debian?

$ lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 9.8 (stretch) Release: 9.8 Codename: stretch $ /etc/X11/default-display-manager /usr/bin/sddm I am ...
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0answers
59 views

Do display managers like sddm actually set the login_shell option?

I have a script which distinguishes if it is sourced from within a login shell or not. But it happens not to do its job as the login was done through display manager sddm. #!/bin/bash # /etc/bash....
2
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1answer
82 views

What enables Alt+Click Window Dragging

I use Kubuntu 18.04 and I wonder what component implements the Alt+ Left Click drag. Does the Display Manager SDDM implement this, or is it the X Server, or is it something within KDE? I'm sorry I ...
10
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3answers
450 views

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

What I tried: I created the file /etc/sddm/sddm.conf (also tried /etc/sddm.conf) with the following content: [General] HaltCommand=true RebootCommand=true Unfortunately, that did not help - the ...
1
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0answers
135 views

How can I switch users in NixOS?

I'm using the BSPWM window manager in NixOS, and using home-manager to handle the session. SDDM is my display manager. I can log in just fine, but I don't know how to switch users. On Arch, TTY1 (Ctrl+...
1
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0answers
66 views

Kali Linux KDE not showing GUI for initial login [duplicate]

this is my first Linux OS, and I'm trying to get more acquainted with my environment. I've got Kali Linux KDE working well, but when I first start linux, it boots into the terminal screen for TTY1 ...
0
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1answer
943 views

Unable to login to specific user under sddm on Arch

PROBLEM: Unable to pass beyond login screen (sddm) using correct credentials. WHAT HAPPENS: After boot to cli, I systemctl start sddm, it gives me the usual login screen. I click my user, enter ...
3
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1answer
208 views

sddm fails to ignore users

I'm running Arch Linux KDE. I would like SDDM to ignore certain users. However, even after adding the following config file, SDDM still displays all users. I tried both usernames and user ID's for the ...
1
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1answer
1k views

sddm slow to launch [duplicate]

Recently sddm has become very slow to show the login screen on Arch Linux. After I see the bootup message "Reached Graphical User Interface target" (or similar), there is a long delay of more than 10 ...
2
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0answers
239 views

SDDM starts with wrong screen size on LG 27UD68-W 4K Monitor

SDDM starts with wrong screen size: according to startup the screen size is set to 3840x2160 which is supported by the monitor but not supported by the graphic card (starting X server with a higher ...
-1
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1answer
1k views

Plasma 5 boots into a black screen after installing “kio-extras” [closed]

I have a fresh install of kde neon. I started having issues with the system. I couldn't open system settings. Shortcuts weren't working. Some applications weren't starting (like kolourpaint) and right-...
0
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1answer
654 views

Remove launch options from SDDM other than Plasma

I installed Kodi (Arch Linux KDE) and it inserted an option in SDDM to login directly to Kodi instead of logging in to Plasma as normal. How do I remove this? I see nothing relevant listed in /etc/...
2
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1answer
4k views

sddm shows a black screen only

I'm new to Arch Linux and wanted to use the plasma 5 desktop with sddm. I'm able to start the plasma desktop via startx without any issues but when I try to use sddm it only shows me a black screen on ...
4
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4answers
2k views

X is misrendering a rectangle around my mouse pointer

A square area around my mouse pointer is being rendered incorrectly. Instead of rendering the window it is supposed to render, it seems to be rendering the window underneath instead. It is very ...
3
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1answer
2k views

Change the font used in the Breeze SDDM theme

The default Breeze theme for SDDM on KDE uses default fonts from somewhere I don't know of. In earlier versions of KDE/SDDM, there used to be specific files in the SDDM themes where a font could be ...
0
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3answers
2k views

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

osinfo : cat /etc/*-release ...
1
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0answers
667 views

Authentication issue in KDE - su, sudo, screen unlocking

I have the following issue with a fresh arch-linux installation: in KDE/plasma with SDDM neither su or sudo work. I tried to use them in both konsole and xterm. What does also not work is ...
1
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1answer
512 views

Does installing KDE also install sddm?

I have a machine running Linux Mint 17.3 with XFCE which I have just upgraded to 18. I have also decided to give KDE Plasma a try so I followed this guide to install it. However, I wasn't prompted to ...
1
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0answers
152 views

Qubes (Fedora 23) won't login

I have been using Qubes 3.2 for 5 months now without any significant problems. Then, out of nothing, I can't login. Qubes passed to sddm login screen as usual, then I could choose from desktop ...
1
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2answers
1k views

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

Intro Okay, this question was initially posted with hints that /etc/skel might be part of the issue. I have since removed the contents of /etc/skel, tried again and the issue still persists. As I ...
0
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1answer
552 views

sddm presents wrong theme

The problem is that I am presented with a different sddm theme when I logout. The default theme works fine when login. However, one of the pre-installed themes is used when logout the system. Is ...
1
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0answers
2k views

startx fails fedora 23

Under Fedora 23, I cannot start the X server by normal means. How can I fix this? I am aware that there's no shortage of similar problems reported over the years, but so far none of those fixes have ...
1
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0answers
40 views

Killing a secondary Xorg stops display manager

My computer runs on Debian Stretch. For testing GUI applications purpose, I'm using a second instance of Xorg on display :X (X != 0). After upgrading from jessie to stretch. Killing the secondary Xorg ...
1
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2answers
6k views

KDE 5 does not have window decorations

I'm running KDE Plasma 5.4.3 on Debian stretch/sid. I have kwin_wayland 5.4.3 and sddm 0.13.0. I only installed the base system and then ran apt-get install kde-plasma-desktop/testing sddm/testing (...
2
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1answer
4k views

Allow username input sddm (LDAP/Kerberos)

The overarching question: How can I enable SDDM to accept username input in Debian? Underlying/implicit questions: How does SDDM recognize users? What is the Debian alternative to /etc/sddm.conf ? ...
1
vote
1answer
1k views

Debian Testing SDDM Does not Log In Users

I have a strange problem. I'm running a Debian testing installation and recently with KDE5 update stream, I got SDDM instead of KDM. However, SDDM does not log me in even when I enter my correct ...