the GNOME display manager (GDM) is a display manager for X Windows Systems

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gdm Ask for password again while I start it from already logged in tty

I have an archlinux 4.4 lts kernel. For some reason I did not allow gdm to start automatically at boot. When I'm logged in tty and start the gdm with command systemctl start gdm the gdm starts and the ...
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19 views

GDM not launching gnome-session after installing nvidia drivers

I recently tried to install nvidia drivers on my arch system (regular nvidia). After running all the tools and commands from the arch wiki, I rebooted my system. Everything worked fine and the GDM ...
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1answer
39 views

Redhat & GUI/GNOME Struggle?

We have in our Company SysAdmin so damm stupied and lazy. Everytime I ask him for a Redhat Virtual Machine(VM),He just deploy a ready template with GUI and lot of package,a lot I think he just install ...
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41 views

Login loop when trying Awesome with Gnome

I am trying to use the Awesome window manager with Gnome 3.16 in Ubuntu 16.04. Doing this is documented in several places: https://scaron.info/blog/awesome-with-gnome-on-ubuntu-14.04.html, https://...
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33 views

Arch - Freeze after starting gdm with nvidia driver

I use a Nvidia GTX 980 TI with my arch linux. I use the proprietary driver which I installed via pacman -S nvidia After that I installed gnome3 via pacman -S gnome If I try to start the gdm (just ...
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1answer
19 views

Arch - prevent GUI from start

I just installed arch on a encrypted LVM. After the boot process gnome3 tries to start but it looks like I installed the wrong driver. The whole system freezes, its not possible to enter another tty. ...
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20 views

Accessing /home fails in gdm PostSession script

I am trying to have a script do some cleanup items when a user logs out of Gnome2 on Redhat. I tried making a script in /etc/gdm/PostSession/Default and it can't access /home. #!/bin/sh ls -l /home &...
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38 views

Gnome (gdm) fails to start after command-line install

Installed gdm via the default openSUSE installer (zypper). The install completed successfully but gdm won't start from the command-line. I also have a KDE install which stalls on the loading bar, but ...
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87 views

Change GDM display timeout

I need to change the GDM display timeout from 10 seconds to something more forgiving. That is to say, my screen shuts off after 10 seconds in the lock screen. I am running Fedora 23 with Gnome on a ...
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1answer
119 views

Problem with gdm on debian

I wanted to fix one problem and created another. I had a gnome-shell process which was taking up a lot of my CPU. I tried pkill gnome-shell and after that I couldn't do anything and was forced to ...
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1answer
126 views

RHEL6 && OEL6 How is $DISPLAY determined on startup?

I'm experiencing inconsistent $DISPLAY variables on my OEL6 servers which have caused quite a bit of trouble with socket files. I have found surprisingly little on what actually sets the environment ...
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1answer
19 views

Red Hat 7 GDM + NIS Only Validates First 7 Characters of Password

I've come across an interesting issue this morning. We have noticed that GDM on RHEL 7 is allowing us to log-in with only the first 7 characters of password. We can enter anything or nothing from ...
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123 views

Monitor auto-detect Ubuntu

I am currently running Ubuntu 15.04 on my desktop machine with two monitors attached. One monitor is NOT directly connected to my machine but wired through a HDMI-switch (so I can connect my PS4 or ...
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1answer
50 views

problem in login with default /bin/fish shell in gdm

I set fish as default shell for my user in Linux. /etc/passwd file: mlibre:x:1000:1000::/home/mlibre:/bin/fish and now, in GDM I can't login with my user (mlibre). GDM prints some error. I turned ...
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79 views

gdm Pop-Up Window on Login

So I was using a bit of bash script to get a popup window to appear on login for our RHEL 7 machines. I put the following code in "/etc/gdm/PreSession/Default". /usr/bin/zenity --warning --title="...
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2answers
907 views

Fedora 23 - can't re-login after logout

After I logout I can't login back. I type the password but just got a blink, then the login screen is back again without error messages. I have to reboot to login again. Besides, even the Nautilus ...
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637 views

OEL6 Slow boot && Millions of socket files in /tmp/orbit-gdm

Background on question Lately I've been having some trouble with slow booting on the servers, sometimes over 2 hours to boot stuck on "Enabling Local Filesystem Quotas:" After searching I managed to ...
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2answers
119 views

How do I install `gresource` on Fedora?

I'd like to change the background image of my login screen (Fedora 23, GNOME desktop). The Arch wiki has a write-up on how to do it. Basically it involves extracting the .gresource binary that lives ...
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1answer
1k views

Arch Linux: gdm gives “Oh no something has gone wrong…”

I recently decided that I will no longer use Ubuntu and give Arch Linux a shot. I did everything according to the Beginner's guide on Arch Wiki, which worked. Next I wanted to install the Cinnamon ...
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48 views

Gnome/gdm can't press some key

I installed Gnome on Gentoo.Unfortunately,I found that pressing "s" won't work,just making current window lose focus.I tried xev,and found the following output: //When I preSS a: KeyPress event, ...
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298 views

How do I enable GDM login for root on Debian?

I want the root user to be able to log in via GDM on Debian Wheezy. I have read about modifying GDM and/or PAM configuration files but the instructions I have found describe specific file layouts ...
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186 views

`gdm start` causes computer to hang

I'm having trouble getting my computer to run GNOME on my new installation of Arch Linux. When I run the command gdm start my computer hangs and I have to power it down. Alternatively if I run the ...
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1answer
106 views

Debian kernel runlevel parameter - xorg won't start with NVIDIA drivers

I am having trouble getting my display to work with the default debian kernel command line: \boot\vmlinuz-4.2.0-0.bpo.1-amd64 ro root=UUID=4e496eaa-bcf1-41a0-9eee-dd1c8367c855 initrd=boot\initrd.img-...
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158 views

Brightness falls at 0 when plugging second monitor

This only happens when using Gnome. I have an Acer Aspire V3-772GTX54206G1TMakk laptop with an NVIDIA GeForce GTX 760M graphics card running Debian 8 (jessie) 64-bit, and I'm using Gnome 3.14.1. The ...
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1answer
66 views

Change HDMI resolution on-the-fly without GDM

I just disabled the GDM service to use QT programs and mplayer output. And I need to change HDMI output resolution of my Angstrom distro and it should be on-the-fly. That means basically doing this ...
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49 views

Does gdm (>= 3.16.2) expose itself to the command-line?

At risk of asking an XY question, the title is only tentative. Background I'm running Fedora 22 with gdm 3.16.2, sitting underneath an Openbox session. I've recently noticed that switching to a tty (...
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129 views

GDM is flashing and I can't login

I recently switched to Ubuntu GNOME from Windows and am very inexperienced. I was using Ubuntu fine for a while. But this morning I had trouble signing in because my login prompt continuously ...
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243 views

Change GDM language

I'm using Gnome on Arch Linux and I want to change the language of GDM from English to French. I followed these instructions exactly but it didn't work... Here is my locale: LANG=fr_FR.UTF-8 ...
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1answer
1k views

X won't start after Ignoring BGRT

I have a Toshiba Satellite laptop running Fedora 20 and after a restart the laptop got stuck after this message: Ignoring BGRT invalid status 0 (expected 1) The starting process runs properly ...
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2answers
5k views

How to find out the current (active) XServer DISPLAY number?

I'm using Arch Linux and things are not so easy when you try to discover the current Xorg DISPLAY (not through the env variable). Here is a working example: $ cat /sys/class/tty/tty0/active tty2 ...
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801 views

turn on numlock at login screen. GDM

GDM is turning off numlock key. I have tried following: a) installing numlockx and inserting following lines at /etc/gdm/Init/Default if [ -x /usr/bin/numlockx ]; then /usr/bin/numlockx on fi b)...
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675 views

Is it possible to disable the login dialog box of Kali Linux?

For example, I need my Kali Desktop to be logged in freely, without the use of any password. That is, I should not see the following Login dialog box after the boot up. How to do that?
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1answer
505 views

What is the proper encoding name to use in locale for UTF-8?

Just wondering here as I have on this CentOS 7 system: $ locale -a <snip> en_US.utf8 <snip> and yet: $ localectl System Locale: LANG=en_US.UTF-8 To add to that, the preferred name ...
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145 views

adding a console target to GDM

In KDM, KDE's display manager, there's an option to exit the DM and login at the terminal. Gnome's display manager does not have this option. Here's the entry for Cinnamon: [Desktop Entry] Name=...
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0answers
48 views

Start text terminal shell from Linux DM?

Is it possible to start a shell in a text terminal from a Linux Desktop Manager such as GDM, MDM or KDM? I have a user that has a .profile with a bash select loop offering the option to startx (where ...
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3answers
22k views

Mouse and keyboard not working in Ubuntu 14.04

I updated my Ubuntu Linux to 14.04 and now the mouse and keyboard don't work in the login screen. I tried re-installing grub from a Live USB, but it's still not working. I would really appreciate your ...
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2answers
323 views

First KDE Session

I was curious, so I installed kde alongside gnome (which I use primarily, for the matter). I am running arch linux, and I installed kde using yaourt, by the following command: yaourt -Syua # ...
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1answer
95 views

Distinguish between Desktop session and desktop environment

I heard/observed following words and want to distinguish information. Desktop Environment Desktop Session GDM Session Shell Window Manager So I can understand exact difference and working relation ...
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2answers
343 views

Window with activity in GNOME, notifies but doesn't show itself after Alt+Tab?

When a process that has an open window is activated, it remains un-focused and hidden underneath other windows but gives a small notification below that there was action. This is particularly evident ...
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6answers
34k views

Oh no! Something went wrong! While starting the system after installing Kali Linux

I am trying to install a virtual machine running Kali (Formerly backtrack) 1.0.7 In 64 bit. My host machine is a 64 bit MacBook pro running 10.7.5. I am using Oracle VirtualBox version 4.3.12. The ...
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2answers
2k views

GNOME doesn't work on Debian Jessie after installing fglrx

I'm using 64bit Debian Jessie and followed these instruction to install fglrx for Radeon HD 7000 series: https://wiki.debian.org/ATIProprietary However GNOME doesn't work after it. I installed ...
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1answer
27k views

What is LightDM and GDM

What is LightDM and GDM? In Linux operating system I heard both but I don't know about them and what is called? Where they are used? Are they related to display?
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2answers
1k views

Awesome not showing up in GDM?

I recently installed debian with xfce. Once installed, I upgraded to Debian testing and installed awesome, then rebooted. When I click the list of session options at GDM's login screen, the only ...
5
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1answer
1k views

gdm greeter configuration: Exclude all *except* for one specific user

I have Googled this one and tried so many combinations, with no success. I need the GDM login greeter to display one and only one username. In effect, what I need is something like this in /etc/gdm/...
3
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1answer
12k views

Make sure X server isn't already running? [closed]

Suddenly out of the blue I was able to start the X server but with many warnings on CentOS and then I tried to make sure it was shut down by going into /usr/bin and gdm stop but there is an error log ...
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1answer
2k views

Gnome desktop environment stopped working in kali linux(debian based)

Gnome desktop environment stopped working after change in libudev.so.0 in /lib/x86_64-linux-gnu/ and showing error: cannot open shared libraries I am trying too hard to get rid of this problem but ...
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0answers
631 views

Gnome and Gdm doesn't recognize my password

I installed Archlinux as Virtualbox's guest on Windows. After installation, I can not log in through GDM, though it lists my user name, and the root account doesn't work either. The error info is:...
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1answer
1k views

FreeBSD 10 on VirtualBox not booting into GDM

Instead, I get a plain shell prompt log-in. After logging in, I try gdm start but get this: # gdm start ** (gdm-binary:977): WARNING **: Failed to acquire org.gnome.DisplayManager ** (gdm-binary:...
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1answer
6k views

CentOS 6.5 Login Screen GDM Issues

I have a few issues with the GDM login screen. I am using CentOS 6.5 and installed GNOME. I was able to change the background of the login screen by replacing the default.png image on the system. ...
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1answer
274 views

RHEL - GDM could not be initialized

Actions before the GDM failure I was trying to install RT tool in my system. However, the RT tool required Perl 5.10. So, I did yum remove perl to remove the existing version. While the command was ...