Questions tagged [display-manager]

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Arch linux greeter without DM

I'm using Arch Linux with i3wm with xinit which results in having tty1 as my "greeter". I wanna know if there is any possibility to have a greeter, for instance, Deepin greeter at login prompt ...
Gabriel Ziegler's user avatar
0 votes
0 answers
1k 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 ...
Tyler's user avatar
  • 109
3 votes
1 answer
3k views

Cannot change default display manager on Mint 19 Beta

On Linux Mint 18.3, when I used to install mdm, the command sudo apt install mdm would open a prompt such as: and I would choose the default display manager. Running sudo dpkg-reconfigure mdm would ...
anderstood's user avatar
4 votes
1 answer
5k views

The difference in Ubuntu 18.04 that requires nomodeset?

My laptop which has an Nvidia GeForce 310M GPU is 9 years old and it has been OK with all Ubuntu releases until now. What is the difference between 18.04 and previous releases that causes the black (...
Sadegh Ghasemi's user avatar
1 vote
0 answers
188 views

Display not working for any user except root on tool vnc for Os Suselinux

I was trying to install SAP Hana Data provisioning agent for which SAP Note said that we need a non-root user who should have read/write access to /usr/sap folder and display access. So I started ...
Kriti Singh's user avatar
1 vote
1 answer
975 views

Linux mint 18.3 boot at black screen

After apt upgrade, I have problems with booting into the system. Firstly, I was getting the message that Plymouth was missing and Bluetooth failed to initialize. After installing Plymouth theme I ...
serj's user avatar
  • 35
6 votes
1 answer
19k views

Catch-all command to restart display manager?

Is there a catch-all command to restart display managers (on any given common init system)? I've got systemctl restart display-manager for systemd-based systems currently, but I don't know that that'...
Ethan McTague's user avatar
4 votes
2 answers
10k views

What is the correct procedure to replace MDM with LightDM on Linux Mint?

OS: Linux Mint 18.3 Cinnamon 64-bit. I almost got a heart attack, after reboot preceding this; in an important VM: sudo apt-get install lightdm ... I chose LightDM as the default DM ... sudo apt-...
Vlastimil Burián's user avatar
1 vote
1 answer
2k views

Keyboard doesn't work at graphical login [closed]

After an update, my laptop keyboard doesn't work anymore when I want to login (while the touchpad does). This is true whatever the display manager used (xdm, lightdm). I can't even switch to console ...
user3507085's user avatar
1 vote
2 answers
12k views

Will this damage my PC? GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pci=noaer pci=nomsi"

When I tried to install my Ubuntu 16.04.2 I faced with no screen problem! and PCI_bus errors! after many searching and trying only this modifications on /etc/default/grub solved my problem: ...
user3486308's user avatar
0 votes
3 answers
956 views

Is there something like Turnkey Linux configuration console out there?

Turnkey Linux comes with this nice blue background console thing that has some basic options like showing the current IP, time, etc. I find its nicer for our system admins (me too) to be greeted with ...
CarComp's user avatar
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0 votes
2 answers
913 views

Could Not Start the X-Server - Linux Mint 17.2

I have an external SSD with Linux Mint Installed onto it (so not as a live USB, but as if it were an internal SSD). I used this around 1 week ago, and it worked fine. Tried to boot into it today, and ...
Tijmen's user avatar
  • 51
2 votes
0 answers
435 views

Using hardware acceleration without screen/display

I have a Linux machine (ubuntu 16.04) which I want to access using remote desktop. I am currently using Teamviewer for this. As long as the remote machine boots with a screen plugged in, this works ...
ElenorDavey's user avatar
3 votes
1 answer
12k views

How to set i3 to be the default window manager?

In the Kali login, I have to select i3 in the menu in order to use i3 instead of gnome. How to set i3 as the default window manager (no need of selection?
user123456's user avatar
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8 votes
0 answers
2k views

Display manager on multiple tty

I recently upgraded from Fedora 23 to 25, which seems to have broken my display manager configuration. I was using lightdm and was able to switch between 3 GUIs running lightdm by just hitting ctrl+...
rudib's user avatar
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1 vote
2 answers
840 views

Switch to dvorak layout at boot. (decryption and sddm)

System: Host: MyComputer Kernel: 4.8.14-gnu-1 x86_64 (64 bit) Desktop: LXQt Distro: Parabola GNU/Linux-libre There are three places where my computer wants me to use qwerty input. ...
Folaht's user avatar
  • 1,042
2 votes
3 answers
28k views

Arch Linux, "hang" on "Reached target Graphical Interface"

EDIT: I just tried gnome and gdm and it worked flawlessly. So something with the virtualbox packages and the SDDM package seems to not work. At first this question looks like this one (Arch Linux ...
NOhs's user avatar
  • 143
0 votes
1 answer
868 views

I messed up my Ubuntu installation, how to fix it

After installing various desktop environments, just for testing purposes, I messed up my Ubuntu 16.04 LTS and now, The clock has vanished from the top menu bar Unity tweak tool has gone I get unmet ...
Nuwan Thisara's user avatar
1 vote
2 answers
496 views

How can I close all currently running graphical programs?

I need to manually install the proprietary graphics driver for my NVIDIA graphics card and to do that I first need to make sure that no graphical programs are running. What is the simplest way to do ...
hugomg's user avatar
  • 5,737
4 votes
3 answers
63k views

How to switch from CLI to GUI Ubuntu

I am currently running Ubuntu 16.04 operating system. In order to experiment, I had asked for the way to login to Ubuntu CLI mode only (i.e. the GUI version must not start at all). In response to my ...
Upendra01's user avatar
  • 547
0 votes
1 answer
375 views

How to specify the display manager of a new session launched from tty?

When prompting startx from tty, the graphical display start but without any display manager but have a xterm from which my display manager have to be launched. How can I directly launch a session ...
user123456's user avatar
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1 vote
0 answers
889 views

X display-manager login fails, console login + startx works

I have one machine (my main desktop, as it happens) where I've been unable to login from the display manager for months. As soon as I enter my password, it looks like it's about to start my session ...
cas's user avatar
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5 votes
1 answer
3k views

Two monitors. Menu panel on wrong screen

I have a debian 8 jassie with LXDE. I have a two monitors one from my laptop, second is external 24". Second monitor is a above my laptop. If I plug in second monitor he was recognized correctly in ...
Mbded's user avatar
  • 161
2 votes
0 answers
392 views

How can we define a default configuration for xfce4-settings/display?

As in Cinnamon's display manager, I want to make last settings applied for connected display in XFCE4, but XFCE4's display manager asks for configuration (rotation, position etc.) everytime. How can ...
ceremcem's user avatar
  • 2,351
5 votes
1 answer
13k views

Change Default Keyboard Layout on Lubuntu 16.04

I installed Lubuntu with QWERTY, and now want to switch it to DVORAK. The documented way to do this is to use the Keyboard Layout Handler on the panel. This works, but only during and within a ...
dwrz's user avatar
  • 151
10 votes
1 answer
18k views

what are gnome-session and gnome-settings-daemon?

Can someone explain to me exactly what gnome-session and gnome-settings-daemon do and how they might be useful to me, as someone who doesn't use GNOME or any of its relatives as a DM (i use i3)? I've ...
erp's user avatar
  • 707
0 votes
1 answer
8k views

Failed to start X server

My system is OpenSUSE Leap I had a problem with HDD that lead to the system not booting. After fixing that and fixing the boot loader I ended up with a failed to start X server. At boot time I got: ...
cloud em's user avatar
4 votes
0 answers
864 views

"No protocol specified" when starting Xorg via lightdm, but works when started directly

To start the X server on boot, use of a display manager such as lightdm seems to be the preferred method. However, if I start X by starting the lightdm service, I get a "No protocol specified" error. ...
Joe's user avatar
  • 141
4 votes
1 answer
1k views

Equivalent for `dm-tool switch-to-user `otheruser in different display managers

When using lightdm I can switch to another user by executing dm-tool switch-to-user. Is there a way that doesn't depend on the display manager? If not, what would be the equivalent command for the ...
student's user avatar
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4 votes
1 answer
3k views

Proper way to install mdm display manager in ArchLinux

I am wishing to install mdm display manager in ArchLinux. Normally the similar gdm is used, but I want to be consistent with the Cinnamon desktop I use, instead of Gnome desktop, so I'd also like to ...
Bregalad's user avatar
  • 1,025
0 votes
1 answer
367 views

How to recover a failed KDE4 desktop without deleting the entire ~/.kde4 directory?

This is a tale of two 64-bit Mageia 5 GNU/Linux systems equipped with 6xx/7xx nVidia video cards. Each is configured with a KDE4 desktop (task-kde4-minimal-4.14.3-2.mga5), and use a proprietary ...
kbulgrien's user avatar
  • 830
1 vote
0 answers
325 views

How to change the date format in the LXDM login/greeting screen (LXDE)

I found a number of resources to change the system (Archlinux 2016-03-01) date format, amongst others one to create a new format from an existing locale file. I then modifed /etc/environment and ...
asoundmove's user avatar
  • 2,495
1 vote
0 answers
49 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 ...
Floufen's user avatar
  • 21
10 votes
2 answers
9k views

What is the difference between starting x and starting the display manager?

What is the difference between running startx and starting your display manager with sudo service (display_manager) start? Two different events happen, so I am curious as to know the difference behind-...
Rohan's user avatar
  • 3,561
1 vote
2 answers
3k views

Unicode fallback font

When the system displays a text, whose responsibility is to select the appropriate font for the letters? Let's say I have the following 3 fonts installed and I open a website with letters and ...
user's user avatar
  • 339
0 votes
1 answer
137 views

After updates my system won't boot into LXDE, X is running but screen stays black

The task bar tries to load, flashing white a few times but then stops and screen stays black, and mouse cursor is available. Here are my updates: Commit Log for Sat Oct 17 10:46:41 2015 Removed the ...
Joe's user avatar
  • 3
11 votes
4 answers
4k views

What display manager/window manager can support multiple monitors with different dpi?

There is no permutation that I have yet found of window manager / display manager, that correctly scales windows and applications on two different monitors with two different DPIs. I have a 40 inch ...
Thomas Browne's user avatar
1 vote
0 answers
686 views

Display manager mdm fails to load desktop environment

I was having abnormally long waiting times during which the DM was checking my (correct) login credentials. After mucking around with it a bit I decided to remove the mdm package and reinstall it. I ...
sherrellbc's user avatar
  • 2,501
4 votes
1 answer
1k views

Lightdm Won't Start in Test Mode With OpenRC

I have a funtoo installation and I recently did sudo emerge x11-misc/lightdm which appeared to work fine, but attempting to start lightdm in test mode with sudo lightdm --test-mode gives this: ** (...
Ell's user avatar
  • 91
7 votes
4 answers
8k views

What to do when the desktop freezes?

I am on Linux Mint 17. I experienced an unexpected software failure. The desktop stopped responding to anything. As I am inexperienced, I only managed to switch to the console using Ctrl+Alt+F1 and ...
Vlastimil Burián's user avatar
8 votes
1 answer
2k views

How do I get xinputrc to work for login screen?

I have the following lines in /etc/X11/xinit/xinputrc to tame my mouse sensitivity: xinput --set-prop 9 "Device Accel Constant Deceleration" 4.5 xinput --set-prop 9 "Device Accel Velocity Scaling" 1 ...
Leigh Whiting's user avatar
19 votes
4 answers
216k views

Debian not booting into GUI

My problem is, that my Debian installation shows a grey screen on start up and boots into a console, instead into gnome. When I start X manually with startx everything starts fine, so the DE seems to ...
Ymil's user avatar
  • 193
1 vote
1 answer
2k views

KDE 5 in Debian wheezy?

I really hate the look of all the desktop environments officially supported by Debian 7. I also really really like the look of KDE Plasma 5. Unfortunately Debian seems to only support KDE 4, and it ...
Max Hanson's user avatar
0 votes
1 answer
164 views

What is the purpose of having two login managers on one system ?

I read, that the first process born in user-space is called Init, it starts by itself further processes, it also possesses an incorporated login manager. So far, I could understand it, but than I read,...
Abdul Al Hazred's user avatar
0 votes
2 answers
365 views

What do I need to do additionally to start X in order not to end in a black screen?

From the Xfce desktop environment in Linux Mint, I pressed Ctrl + Alt + Fn in order to get into a virtual terminal. Then I stopped the mdm display manager with killall mdm. So far, it worked, but ...
Abdul Al Hazred's user avatar
1 vote
1 answer
5k views

Start graphical user interface using startx and display manager

Can someone tell me what differents between starting graphical user interface using startx command (which xinitrc contains exec gnome-session or exec xfce4-session) and using an display manager? And ...
Bình Nguyên's user avatar
1 vote
1 answer
2k views

Can't access virtual terminals after manually starting an X server

I'm working on a display manager. When an X server is already started, my display manager works fine and is able to log in a user. However, in order for it to be a proper display manager, it needs to ...
gsgx's user avatar
  • 845
1 vote
1 answer
4k views

How do I permanently disable a specific display in gdm?

My laptop has an unknown display always active in the background. It is called "unknown display" in the system settings on Ubuntu GNOME, and it was the same when I was using Unity. I have once ...
busukxuan's user avatar
  • 213
3 votes
1 answer
979 views

Cinnamon not working on Mint 17

I installed Mint 17 on an older desktop and everything is OK, but the start menu is not being rendered correctly. It either does not appear at all when you click on it, or it appears empty (no icons). ...
ventsyv's user avatar
  • 1,009
4 votes
1 answer
3k views

How to set 3 displays as follows: primary, mirror of primary and secondary?

The current setup of my displays is as follows: I would like the 2nd Sony display to be a mirror of 3rd Dell display, while the 1st Samsung display should remain as separate secondary display. When I ...
Laurynas Lazauskas's user avatar