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

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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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12 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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25 views

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

I set my user default shell to fish. /etc/passwd file: mlibre:x:1000:1000::/home/mlibre:/bin/fish and then, in GDM I can't login with my user (mlibre). GDM prints some error. Then, I changed back ...
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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 ...
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2answers
161 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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153 views

/tmp/orbit-gdm Mass file generation

Background on question I'm a fairly new sysadmin for a small company managing about 10 oracle linux servers. Lately I'm been having some trouble with slow booting on the servers, sometimes over 2 ...
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36 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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206 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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25 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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115 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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70 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
77 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 ...
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52 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
44 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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42 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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68 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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170 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
824 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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123 views

GDM: Force TimedLogin user to login in specific XSession

I'm using openSUSE 13.2 (GNOME) on an old laptop connected to the TV as a Kodi Media Centre and backup computer. I would like to boot into Kodi without skipping the display manager completely in case ...
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2answers
3k 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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508 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 ...
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1answer
348 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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380 views

openSUSE Tumbleweed: GDM fails to start gnome-session, G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START flag

Last week I installed openSUSE 13.2 with Xfce on my Thinkpad T500, and upgraded to Tumbleweed. I decided to switch to GNOME 3.16, and installed it via pattern from YaST, and set the display manager to ...
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1answer
348 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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113 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] ...
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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
14k 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
276 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
84 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
285 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
29k 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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3answers
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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
22k 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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878 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 ...
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1answer
929 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 ...
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1answer
9k 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
1k 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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542 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 ...
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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 ** ...
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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
225 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 ...
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1answer
3k views

Opening session via XDMCP to GDM

I have a RHEL6 server which we connect via XDMCP. If I start xdm (xdm &) it works but the login screen is the old xdm simple login and not gdm. Our RHEL5 servers connect to gdm just fine. The ...
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1answer
211 views

Enlightenment (E17) not opening settings windows or click menu

I cannot open any settings windows and cannot access the menu be clicking on an empty part of the desktop on enlightenment installed on Arch. What could be the problem? If it helps with finding the ...
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0answers
164 views

How to set up the login screen to ask for keyboard layout

I just upgraded my distro, now it no longer has a menu to set the keyboard layout in the login screen (gdm). Previously a user could select there icon, then change the keyboard layout (it would also ...
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1answer
170 views

Starting a new instance of GDM in Fedora 19

In Fedora 18, I could use gdmflexiserver to start up a new instance of X and GDM on a new VT. In Fedora 19, gdmflexiserver appears to have lost the ability to do this, and I'm looking for its ...
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1answer
1k views

How can I set gdm login screen time to 24 hour format?

I installed CentOS 6.4 within VMWare 7 by easy setup. Afterwards I had to change locale settings to German. Everythings works fine accept that the clock on the login screen is still in ...
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2answers
25k views

Disabling graphical login in Debian wheezy

I have installed Debian wheezy on my machine with a netinst image, now I would like to deactivate the desktop and boot straight to the command line, not only that but I would like to not waste any ...
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387 views

What's wrong with my Xorg's config?

I'm using gnome under Arch Linux in my laptop with a 1920*1080 monitor on the left of it, I set the monitor as my primary display in GNOME and everything works fine after I log in. However, GDM ...
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1answer
1k views

How can I change the keyboard layout before I log in?

In order to switch to a new keyboard layout I have added an setxkbmap command to my Openbox's autostart.sh. However, this only takes effect once I log in (when Openbox starts). While logging in, in ...
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1answer
467 views

How to let GDM shares monitor configure with GNOME?

I'm using gnome under Arch Linux in my laptop with a 1920*1080 monitor on the left of it, I set the monitor as my primary display in GNOME and everything works fine after I log in. However, GDM ...