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Questions tagged [sddm]

QML based X11 and Wayland display manager

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11 views

Kubuntu 18.04 not login from SDDM but from tty

I have installed Kubuntu 18.04 on my laptop (OMEN HP [17-w033dx ]) and today, just after enabling VT on the BIOS Setup and rebooting, Kubuntu not login from visual (SDDM) as usual. I disabled VT but ...
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0answers
66 views

How to enable guest account on Lubuntu 18.10 [SDDM]

It has been a default setting on most of Ubuntu flavors and it's fairly easy to do on LightDM, but I wonder if SDDM also has this option. If not, is it worth to completely purge SDDM in favour of ...
0
votes
1answer
56 views

x11vnc sddm systemd-service

My problem is, I cannot find the right solution for starting up x11vnc by systemd-service on kubuntu 18.04 with sddm display manager. With other Ubuntus and 'lightdm' or 'mdm' I had never problems. Is ...
0
votes
1answer
112 views

SDDM fails when PAM_MOUNT is used

I have a new install of Kubuntu 18.04.1, with user authentication via sssd to the company's Microsoft Active Directory. Every user has a Samba share on //fileserver6/$USER and I want to mount it at ...
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0answers
55 views

Help! I upgraded to Kubuntu 18.10 and now I'm stuck in a login loop [duplicate]

So I upgraded Kubuntu from 18.04 to 18.10, but when I reboot, I am stuck at the login screen. When I enter my password, it either freezes or goes black and takes me back to the login screen. I used ...
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0answers
24 views

How to pass the password to PAM like display managers do?

The question is how display managers like SDDM and GDM do expose the password typed by the user to PAM system? The reason why I want to understand that is that I want to unlock gnome keyring and ...
0
votes
1answer
88 views

Can’t login to GUI but can on tty

I use Kubuntu. I can’t login to GUI but can on tty mode, I check the log and it show this log: invalid session "/var/lib/sddm/.desktop" The output of journalctl -xe:
2
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0answers
101 views

Password typed in login manager appears as username in tty

The scenario I am asking about is this: when reaching the login screen after the boot process, I switch to tty2 and log in by typing my username and password. I then exit, getting back to the (...
2
votes
1answer
388 views

Kubuntu 18.04 no more GUI after upgrade from 17.10

I upgraded Kubuntu from 17.10 to 18.04 LTS today. Upgrade went well, until the system rebooted. I got the Kubuntu splash screen, but then: nothing. Black screen. I can however enter TTY 2-6 (1,7,8 not ...
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0answers
236 views

sddm does not propose desktop selection after upgrade to 18.04

The system was initially installed as Kubuntu 16.04 and upgraded to 18.04 using do-release-upgrade. After upgrade, sddm allows to log in only to Gnome session without providing alternatives. kde-...
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0answers
76 views

SDDM loses config on boot

So I have installed Kubuntu on my new Thinkpad T580 and it almost works like a charm. (Sidenote: It got a 4k Display and running Kubuntu 18.04) I set up everything to be a good size like fonts, DPI, ...
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0answers
30 views

Single password for boot from GRUB to Keepass

Is it possible to have a disk containing only two partitions: one encrypted partition with the whole file system (including /boot) and a small EFI partition with GRUB (or other boot loader) to let the ...
0
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1answer
263 views

How to get SDDM themes working on Xubuntu?

My problem is the following : I'm on Xubuntu, and I use SDDM on xfce. I need to use SDDM because there is a theme I want to use on it, I've installed it in the right folder, changed SDDM.conf, and ...
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0answers
251 views

sddm has problem to starting after recent update (16.04.4)

one week ago I have updated my kubuntu 16.04.4 distro with all security upgrade (more or less 500 package are upgrade!), the result is a blank screen at login... my kde version is 5.18 what I tried ...
13
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2answers
2k views

Ctrl+Alt+F7 doesn't switch back to X session in Kubuntu 18.04 Bionic

After I switch to virtual console using Ctrl+Alt+F6 I could not get back to X session using Ctrl+Alt+F7 - only blinking cursor is shown. Tried chvt - same result. Have to reboot and lost all my opened ...
0
votes
1answer
2k views

Wrong language displayed by SDDM on login Kubuntu 18.04

After hearing good things about KDE Plasma, I decided to give Kubuntu 18.04 a spin. I was impressed until it came to the long in screen. The biggest issue I had was the language of the date and time ...
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0answers
58 views

How do I delay SDDM to start only after NIS becomes available in Kubuntu 16.04?

My SDDM comes up before the NIS users are available. They can only login after the only local user has been logged in once and logs out again. I tried creating /etc/systemd/system/sddm.service ...
2
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0answers
314 views

SDDM & KDE Plasma DE not starting

I updated a while back and after rebooting I was greeted with a black screen because of no SDDM being started properly. Naturally I dropped to a virtual terminal session and starting troubleshooting. ...
0
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1answer
162 views

Installing Kubuntu made Kodi dominate

About half an hour ago, I did apt install kubuntu-desktop, selected sddm as my new display manager, and rebooted. The standard, KDE-style login showed, but on logging in I found that Kodi immediately ...
-1
votes
1answer
248 views

After uninstalling nvidia drivers Xorg does not start

After uninstalling nvidia drivers and existing (sudo killall Xorg) Xorg does not start any more. Running sddm & simply gives this in output and exits: Aborted If running Xorg manually I see ...
0
votes
1answer
929 views

Cannot login to SDDM but to tty

Summary On my kubuntu 16.04 I cannot login any more on the graphical login screen (produced by standard display manager SDDM). But when I switch to a tty I can login and start the graphical desktop ...
1
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1answer
155 views

Does stopping X server in Ubuntu 16.04 KDE have any negative effect while logged in?

I use Ubuntu mostly for file management on an older PC with KDE installed. I rarely need GUI, most things I do using SSH and Samba unless I am syncing files from my online accounts back and forth or ...
0
votes
1answer
980 views

Kubuntu 17.04: sddm shows only black screen with the cursor

After xserver-core upgrade: xserver-common:amd64 (2:1.19.3-1ubuntu1.1 -> 2:1.19.3-1ubuntu1.2) xserver-xorg-core:amd64 (2:1.19.3-1ubuntu1.1 -> 2:1.19.3-1ubuntu1.2) xmir:amd64 (2:1.19.3-1ubuntu1....
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0answers
235 views

KDE is now gray! Fonts in konsole app are broken

I just removed java 8 and after plasma restart fonts are broken, most of plasma apps changed white color to gray, taskbar is semi-transperent, context menu is gray. https://puu.sh/xFBco/123e0d1f82....
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1answer
341 views

Do not changed background on login screen

Kubuntu 16.04 amd64. Theme: Breeze Choose png-file with resolution 1600x900 (it's my notebook resolution), apply. But on lock screen still see default blue background. Why?
1
vote
1answer
240 views

Multiple parallel sessions as a single user

On my graphical desktop ubuntu computer, I can start multiple parallel sessions with the same user. Is this a bug? If it's a feature, what is the purpose behind it? To do this, I click on "New ...
1
vote
0answers
987 views

virtual keyboard in kubuntu, Plasma 5.10

I read several announcements that Plasma 5.10 will feature the qtvirtualkeyboard, an on-screen keyboard for devices that do not always have a physical keyboard at hand. I added the kubuntu backports ...
2
votes
1answer
4k views

How Can I Restore The Default Login Manager for KDE?

I recently installed the unity-desktop not knowing that it would change my login manager, and that KDE & Unity generally don't play well together. How can I restore the default KDE login manager ...
1
vote
1answer
407 views

Restart sddm and conserve session

Sometimes the graphics starts acting strange and I need to restart sddm. But when I do, a new user session is created and I lose what I was doing before. How can I restart sddm and log to the active ...
1
vote
0answers
443 views

Add guest user to SDDM (16.10)

I'm running Kubuntu 16.10 with SDDM and I would like to add a guest user. I've tried to run a script by modifying /usr/share/sddm/scripts/Xsetup, as suggested here, but for some reason the script is ...
1
vote
0answers
956 views

Can't unlock Lockscreen (sddm)

After a fresh boot I can login normally using SDDM. When I hit Ctrl + Alt + L to lock the screen (or after autologout) I can't login anymore, the SDDM login prompt just blinks. Currently I've to hit ...
1
vote
1answer
395 views

How can you change the user icon in sddm

I want sddm to display the user icon from ~/.face.icon (~/.face) like the kickoff application launcher does and not just the generic user icon. Is that possible?
0
votes
1answer
840 views

SDDM: How to run script as root on login and logout

I'm using Kubuntu 16.10. What are my options to run a bash-script after login and after logout as root using SDDM? I already tried switching to lightdm in order to create a /etc/lightdm/lightdm.conf ...
1
vote
1answer
29k views

How to change login screen sddm on KDE Plasma 5

I'm using Kubuntu 16.10 with KDE plasma 5 installed. I'd like to install and try new login screen with custom layouts. But I don't know how. Tried google,but didn't get what I want. Also I'd like to ...
6
votes
1answer
17k views

Which display manager should I choose when installing Gnome 3 [closed]

When I was trying to install Gnome 3 on Ubuntu 16.04, just to get an experience, I got the below message. That dilemma forced me to search the site and found this and many others.Which display manager ...
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0answers
34 views

Black screen with SDDM [duplicate]

Here is my problem: When I upgrade from Kubuntu 14.04 or Install Kubuntu 16.04 I have a black screen after the Kubuntu logo disappear during boot. I have found so that it's a problem with having a ...
0
votes
1answer
799 views

sddm + pam_kwallet5 + pam_usb = “open_session called without kwallet5_key”

With pam_usb set up and running, when the usb key is connected when I type password in SDDM, after Plasma started up, I see that kwallet is not unlocked. This does not happen when usb key is inserted ...
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2answers
231 views

why option to choose unity 8 is not shown in sddm?

I decided to try unity8 on my kubuntu system. ______________________________________________________________________________________________ android@android :18:23:55 ~ --> sudo apt install --...
2
votes
1answer
1k views

How to start another user session from CLI on SDDM?

Currently the only way I know of is KDE lockscreen, but I also use openbox sometimes and while doing so have no way of starting a second user session.
0
votes
1answer
1k views

sddm xsetup location

I've been using vino (remote desktop access application) in 12.04 without any problem. I put an exec line in file /etc/kde4/kdm/Xsetup in order to start vino server when the kdm starts (like /usr/lib/...
0
votes
2answers
4k views

sddm not starting after upgrade to 16.04, gnome and kde both installed

I upgraded a VM Ware virtual machine from 15.10 to 16.04. Services are up but the desktop is not, and the log messages are not very helpful. I am not sure if it's related to sddm settings, xorg, or ...
3
votes
1answer
2k views

Upgrade from 15.10 to 16.04 now Simple Desktop Display Manager (SDDM) won't start

After upgrading from Ubuntu 15.10 to 16.04 via do-release-upgrade I can now only boot into TTY mode. The boot log shows: [FAILED] Failed to start Simple Desktop Display Manager. See 'systemctl status ...
2
votes
0answers
586 views

sddm login window on two screens with different resolution

I have two monitors with different resolutions (1920x1200 and 1680x1050). When I turn on the computer, on the smaller screen I see a correct login window, but on the larger screen I see a 1920x1200 ...
5
votes
3answers
6k views

kubuntu 16.04 SDDM login screen hangs

After upgrading from kubuntu 15.10 to 16.04, the login screen hangs right after typing the (correct) password and pressing enter. The controls like the text field are disabled and brightness slightly ...
2
votes
1answer
556 views

Persistent live install, stop auto login SDDM

I have searched all over and have found similar posts, but they are older and for different flavors. I am not interested in doing a full install. This saves a lot of space off a full install. I also ...
1
vote
1answer
1k views

Show all user accounts on greeter screen

Is there a way to have Kubuntu 15.10 default to showing all users known to the system on the login screen (greeter)? If I have users Alf, Bill, Chris, Daisy and Ella, and Daisy was the last user ...
3
votes
1answer
3k views

How to purge SDDM/Plasma completely

I recently installed KDE just to give it a go. I didn't really like it, so ran sudo apt-get purge kubuntu-desktop plasma-desktop. That seemed to fix it initially, after two reboots everything was back ...
2
votes
1answer
7k views

LightDM & SDDM fight on greeter screen

I had installed Kubuntu 15.04 sometime ago. I upgraded to 15.10, things were going fine till I added ubuntu-desktop to use Unity DE. When booting with systemd, on startup or login, I get black or ...
15
votes
3answers
453 views

How to prevent auto-pausing processes in an inactive user session?

For a while now when I switch between two user sessions the inactive one in some cases will stop executing GUI processes. This way I'm forced waiting for another session to load and can't do something ...