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50
votes
8answers
461k views

Ubuntu 14.04 install nVidia driver

I recently installed 14.04. But now I need a new driver for my nVidia GeForce GT 630. The former driver was rejected as not compatible with the 64-bit. I found that other driver and when I wanted to ...
24
votes
3answers
102k views

How do I access my remote Ubuntu server via X-windows from my Mac?

I have an Ubuntu server (12.04 LTS) running remotely on a cloud hosting service. I have installed ubuntu-desktop via apt-get: $ sudo apt-get install ubuntu-desktop It appears to have installed no ...
20
votes
4answers
145k views

How to reset the Xorg / xserver?

Xserver keeps crashing on my general user account both in Unity 3D and 2D. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is ...
11
votes
6answers
129k views

How do I kill the x-server?

Every time I try to kill the x-server, sudo service lightdm stop so that I can install the latest Nvidia drivers, I get an error message. stop: Unknown instance: What am I doing wrong?
11
votes
1answer
13k views

How do I enable Ctrl-Alt-Backspace to kill the X server? [duplicate]

Unfortunately, there's still a need to kill the XServer from time to time. Since upgrading to Raring ctrl+alt+backspace is disabled and I can't find this option in the keyboard settings any-more: ...
11
votes
3answers
11k views

How to remove Kernel/LTS Enablement Stack?

this question regarding the LTS Enablement Stack has actually two parts: I installed Linux 3.5.0-x on Precise 64bit via sudo apt-get install linux-generic-lts-quantal xserver-xorg-lts-quantal . As ...
10
votes
3answers
63k views

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName … waiting apache2:

I upgraded to ubuntu 14.04 yesterday. But after restarting PC , this message continues to appear in a black screen after the ubuntu loading screen and don't go away and ubuntu doesn't start I can do ...
10
votes
2answers
48k views

Remote x-server with ssh -X

I am trying to start a remote gnome session using: ssh -X username@192.168.1.107 gnome-session Both client and server are Ubuntu version 12.04 I get the following (and not a lot happens)... ...
10
votes
1answer
2k views

How to bind Ctrl+arrows to Home and End keys? xmodmap does not work

On Windows, I used to bind Ctrl+Left to Home and Ctrl + Right to End via ahk. Now I'm struggling to achieve this behavior in Ubuntu. I've tried editing /etc/inputrc: "\e[1;5C": end-of-line "\e[1;5D":...
9
votes
2answers
5k views

Gnome 3 always hangs after logon

The problem I'm having is that after logging into GNOME Shell 3.4.1 on Ubuntu 12.04.1 LTS. After a short period of time (approx 0-2 minutes) gnome shell becomes unresponsive. Hovering on the corner /...
8
votes
2answers
51k views

Cannot connect to X Server when running app with sudo

When I am running some software using sudo command it showing error like cannot connect to X server For example if I run the following command: $ sudo gedit /etc/profile I am getting ...
8
votes
2answers
10k views

Getting character key code mappings in ubuntu

I am trying to play around with some keyboard layouts in ubuntu. Now there is a program called showkey which lets me see the keycode for any key pressed in the terminal. Is there any command to get ...
7
votes
4answers
6k views

Why is X11 a security risk in servers?

I remember reading that servers do not have a GUI because X11 is a security risk. Why?
7
votes
4answers
3k views

capture login screen-not sucssecful

I'm using Ubuntu 12.04 . If more information is needed, please tell me. I Tried some guides to cature my login screen: How can I take a screenshot of the login screen? http://www.howtoforge.com/how-...
7
votes
2answers
3k views

How to get sound in a separate X server in Ubuntu 11.04 or later?

I configured my Ubuntu system so that I'm able to start any application in a separate X server. Running games or for example XBMC in a separate X server has some major advantages. The problem however,...
6
votes
2answers
1k views

How can I *disable* Ctrl+Alt+Backspace?

Building on a question from 2010 (3 years ago) I'm trying to achieve the exact opposite: I want to disable the Ctrl+Alt+← keyboard shortcut to kill the X server. For me, it appears to be disabled in ...
6
votes
2answers
844 views

Ubuntu 12.04 keeps booting to tty1

I was trying to install xdmx & the last thing that I did was deleting the ~/.XAuthority* files since I was getting error in locking authority file. On rebooting, I found myself on this screen. I ...
6
votes
1answer
3k views

The system freezes a lot and dmesg gives an error in Nvidia drivers

I faced constant system freezing in Ubuntu under both Unity and Gnome shell. So I came to Arch. In Arch also I'm facing the same issue. I tried many things in these forums but nothing helped. Please ...
5
votes
3answers
2k views

Mousewheel of gaming mouse stopped working - how to reset / fix it?

Suddenly the wheel of my G9x stopped working. The other buttons work just fine, I can even use the mousewheel to scroll left and right by pushing the mouse-wheel to one side or the other. I wonder ...
5
votes
2answers
4k views

NVIDIA proprietary driver logging me to console instead of GUI

Firstly i want to apologise for any mistakes, English is not my native language. My problem is I can't get NVIDIA proprietary drivers to work. I tried to install it on Ubuntu 12.04.1 32 and 64 bits, ...
4
votes
1answer
5k views

Kubuntu 12.10 Shortcut to Restart X Server?

I have just upgraded from Kubuntu 12.04 to 12.10. Until now, I was using AltGr+PrintScreen+K key combination to restart the X Server. After the last upgrade this shortcut doesn't work anymore. Do ...
4
votes
1answer
6k views

nvidia drivers fail completely after update to 3.5.019

I'm running a duel-screen set-up and need the proprietary drivers because the standard ones won't drive the second screen at full resolution. After updating to 3.5.019, downloading the latest linux ...
4
votes
2answers
8k views

xf86OpenConsole: Cannot find a free VT: Invalid argument

I'v set up an Ubuntu 12.04 from the precreated OpenVZ template. The host system is configured as follows: # $ cat /etc/issue Debian GNU/Linux 6.0 # $ uname -a Linux openvz-02 2.6.32-16-pve #1 SMP ...
4
votes
0answers
17k views

How do I fix “Your system is running in low-graphics mode”? [duplicate]

Possible Duplicate: How to fix “The system is running in low-graphics mode” error? I installed 12.04 LTS (upgraded from 11.10) but When I start my computer it shows Your system is running ...
3
votes
2answers
7k views

Cannot login to ubuntu after startx command

I wanted to manually configure the internet settings & decided to seek help from this website. Ubuntu did not allow me to perform step 1 saying, X: user not authorized to run the X server, ...
3
votes
2answers
218 views

Lubuntu upgraded from 15.10 to 16.04 with nvidia-361 and xserver settings are empty

As the title suggests, I've just done an upgrade. Unlike other unlucky folk, I've had no problems with logging into the GUI. But it seems like the nvidia drivers are not properly installed. My xserver ...
3
votes
4answers
5k views

Ubuntu 14.04 - No Unity in user account, but in guest account

Yesterday I switched back from Linux Mint to Ubuntu 14.04 and after installation I faced the following problem: When I login with my user account Unity isn't loading. I can see no desktop elements - ...
3
votes
1answer
3k views

Mir the X Server replacement [closed]

I read much about the X Server replacement Mir, but I am not quite sure which benefits it will have. Ok it is a newer technologie, the currently used X server uses code that is twenty years old or ...
3
votes
1answer
33 views

setting the default gpu

I have two gpus on my machine: $ lspci | grep VGA 01:00.0 VGA compatible controller: NVIDIA Corporation GM200 [GeForce GTX 980 Ti] (rev a1) 03:00.0 VGA compatible controller: NVIDIA Corporation GF108 ...
3
votes
2answers
129 views

How to recover Ubuntu from text mode?

My Ubuntu no longer starts in graphical mode, it starts in text mode. If I try to run startx I receive unable to connect to X server: No such file or directory How can I reinstall XServer and Unity? ...
3
votes
1answer
2k views

Run application in specific X server or VNC port

I have an application that I'd like to run, yet I'd like it to be visible only through a certain VNC port. I don't want the app to show up on the normal Ubuntu desktop. I want the app to run "in the ...
3
votes
1answer
178 views

How to disable DisplayInfo for Intel i810 when there is no xorg.conf?

I'm testing 12.04 on an office desktop. This machine has an integrated Intel i810. This very machine used to run Ubuntu (or Kubuntu) quite well, until the Natty Narwhal release, when the X server ...
3
votes
0answers
271 views

Switching from one tty to another terminates X server

I would like to login two users to my pc. One user is on TTY6 and the other is on TTY7. I login the second user in tty6 and type startx to start desktop environment. Whenever I switch to the default ...
3
votes
0answers
520 views

USB2VGA device not listed as output device

When I type xrandr the usb2vga device "Magic Control Technology Corp. (USB2VGA dongle)" does not show up. A reboot with the device plugged in doesn't change it. The kernel.log shows that it has been ...
3
votes
1answer
1k views

Why my X Server won't start as a regular user and it starts as Guest?

It won't start X server automatically as a regular user but instead shows Logon screen. When I enter my password it flashes for a second and it's back to Logon screen again. Then I tried to log in as ...
2
votes
1answer
7k views

XServer Error could not create lock file

I have tried to create a config file for my xserver with X -configure in the root shell (started ubuntu 14.04 in the save mode and selected root shell). But it puts out this Error: (EE) Fatal server ...
2
votes
1answer
2k views

Could not open X display giggle: Cannot open display

I'm completely new to Linux, I have installed in my computer (running on windows 7) a Virtual machine with Ubuntu desktop 14.04. I have installed some programs using apt-get install NAME_OF_THE ...
2
votes
2answers
2k views

Can't switch to Nvidia GPU from Intel or how to make Nvidia driver work (black screen, freeze login in, errors etc)

My problem is known, but still remains unsolved. After installing the latest (or any other version) of Nvidia drivers I get black screen or am unable to login. Useful information: nvidia-detector ...
2
votes
1answer
284 views

How to setup this X server as a service with upstart?

This is the script I have to make my X Server up and running... The goal is to make it restart in case of a crash... description "X server" start on runlevel [2534] stop on runlevel [!2534] script ...
2
votes
2answers
15k views

X server doesn't work on Ubuntu 14.04. What may be happening?

This how I used to setup my X Server on Ubuntu 13. apt-get update apt-get upgrade # nvidia apt-get -y install nvidia-current apt-get -y install nvidia-current-updates # x server apt-get -y install ...
2
votes
1answer
78 views

xfce4 boots into an xterm-like environment

Most probably after a forced reboot, whenever I load xfce4 on my Ubuntu 13.04 I get this environment that looks like a buffed-up xterm, where I have an invisible mouse cursor: when I move around I ...
2
votes
1answer
3k views

Autostart in .xinitrc

I want to run some program at awesomewm startup. I have in my .xinitrc this line: exec awesome It works. Then I added this: exec guake I got errors. So I did this: guake I put each of these ...
2
votes
1answer
25 views

Login screen shows grains

I've installed Ubuntu-12.04-LTS-desktop-i386 on AMD desktop recently. No problem on recovery mode but it shows grains like screen on normal boot. I can't even read anything.
2
votes
1answer
57 views

Problem with user account after reinstalling ubuntu-desktop [duplicate]

After reinstalling ubuntu-desktop and xserver when I try to login into my account I get on login screen again.Now I can login only into user account.What to do?
2
votes
2answers
5k views

how can i downgrade from 12.04.3 kernel and it's xservers to 12.04.2 ones?

Hi how can i get back (downgrade) from 12.04.3 kernel and it's xservers to 12.04.2 ones? i have some problems with 12.04.3 kernel and want to downgrade.
2
votes
1answer
331 views

Monitor goes blank after 30 minutes. No keyboard or mouse are attatched, but computer is controlled over SSH

Currently trying to set up a media server which I can control with my laptop or phone. After looking at all the options I decided upon using SSH to start mplayer in fullscreen. Everything is working ...
2
votes
0answers
17 views

Can not open Terminal and close XSERVER

I recently installed Ubuntu 14.04 and it worked fine for the first couple of times then I started getting a error system running on low graphics mode and was not even able to login. I looked up on ...
2
votes
0answers
37 views

Ubuntu 12.04 graphical interface is gone

I was trying to set up my build environment for beagleboneblack.I was following standard instructions from this site https://source.android.com/source/initializing.html I was installing ...
2
votes
0answers
117 views

Trouble setting 4 Monitors with 2 ndivia GPUs

I am having troubles setting up Quad monitors. I had 2 identical GPUs(geforce gtx 750 Ti) and 4 identical monitors. After installing Ubunto 14.04, nvidia driver(NVIDIA-Linux-x86_64-346.72.run) ...
2
votes
0answers
614 views

Low graphics mode error on open-source driver

I recently did an update from Software manager, which I was holding back for a month (~250MB), it prompted me for a reboot after all the updates were installed. I rebooted into an error of Low ...