graphics is used for questions that are related to graphics mode (tty) as well as graphic cards and their drivers. Please note that there are a few specific tags (like intel-graphics, amd-graphics available that should be used instead when applicable). X11 related issues have their own tag: x11, as ...

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30
votes
5answers
44k views

Creating a GIF animation from PNG files

Is there a tool to create a gif animation from a set of png files? I tried the convert command from the ImageMagick suite, but this doesn't always succeed. Also, I have several issues with this: I ...
11
votes
2answers
15k views

How do I set default brightness after boot?

Linux Mint 12 (64bit), on an Acer Aspire 7730g. Upon every boot, the screen brightness is set very very low. Easily fixed via the function keys, but still a very annoying thing to do after every boot. ...
60
votes
10answers
51k views

How do I choose a graphics card for Linux?

I'm building or buying a new Linux system, and I'm trying to select the best graphics card for my needs. How do I go about making this decision? There's dozens of computer-gear review sites which ...
54
votes
4answers
18k views

Why is video tearing such a problem in Linux?

I've used many variants of Linux(mostly Debian derivatives) for over a decade now. One problem that I haven't seen solved satisfactorily is the issue of horizontal tearing, or Vsync not being ...
17
votes
4answers
34k views

No framebuffer device: how to enable it?

I'm trying to make a PCMCIA tuner card work in my headless home server, running Debian Squeeze. Now, as I have very big troubles finding the correct command line to capture, transcode end stream the ...
19
votes
5answers
2k views

How is the linux graphics stack organised?

Can anybody explain(hopefully with a picture), how is the linux graphics stack organised? I hear all the time about X/GTK/GNOME/KDE etc., but I really don't have any idea what they actually do and how ...
13
votes
4answers
2k views

How can I make a graphical plot of a sequence of numbers from the standard input?

If have a long text file and I want to display all the lines in which a given pattern occurs, I do: grep -n form innsmouth.txt | cut -d : -f1 Now, I have a sequence of numbers (one number per line) ...
4
votes
1answer
428 views

Are there any distributions with a working on-the-fly hybrid graphics switcher?

vga_switcheroo is used in many distros (including Arch), but it would be nice to have real-time switching.
6
votes
5answers
886 views

Is it possible to view media on the console?

I know the console (outside X11, e.g. /dev/tty1) works in text-mode, but I think if it is possible to play music using programs like cvlc and mplayer, it should be possible to view pictures and watch ...
1
vote
1answer
615 views

Hardware OpenGL rendering in MATLAB

I am unable to get hardware based OpenGL rendering to work in MATLAB R2015a or R2014b. Prior to R2014b, and the rewrite of the MATLAB graphics stack, everything worked fine. From MATLAB >> ...
1
vote
2answers
4k views

Achieving full resolution with PowerVR SGX454 on Ubuntu 12.04

I have a Mini-PC with an ASRock AD2700B-ITX motherboard, which has an Intel PowerVR SGX545 on-board graphic chip. I installed Ubuntu 12.04 on it today. Everything is working properly and is quite ...
4
votes
1answer
5k views

How do I get GNOME 3 to work in Debian Wheezy under VMware?

I just installed Debian 7.4 in a VMware machine. On first boot, it gave me the following error: GNOME 3 Failed to Load Unfortunately GNOME 3 failed to start properly and started in the fallback ...
2
votes
1answer
160 views

What is the kernel frame buffer?

I was reading the "mplayer" man pages trying to play video using just the console, (I don't have or don't want to install X11). It mentions that I can use the kernel frame buffer device which is ...
2
votes
1answer
3k views

How to select which graphics card to use?

I have a desktop machine (running Ubuntu 13.10) with two video outputs (both nVidia): an integrated graphics card, which I want to use for my desktop display, and a PCI graphics card, which I would ...
1
vote
1answer
208 views

Reverting from Nvidia back to Nouveau

I installed Nvidia drivers, but something went wrong, and I ended up with a console. I don't really want to waste my and your time with it right now. So I tried to revert the changes. I uninstalled ...
1
vote
0answers
604 views

What does nouveau's “func 08 lookup failed, -2” mean?

Arch Linux Question I have an Nvidia 9500 GT Chipset: G96 (NV96) Family : NV50 This means I can use proprietary pack nvidia-340xx + nvidia-340xx-libgl, but I opted for the open source option: ...
1
vote
0answers
16 views

VNC rendering is all fragmented

I have my VNC server so configured, that it requires me to establish an ssh tunnel and connect to it on localhost:1 with my vncviewer. Now the connectivity seems to work fine but the rendering of the ...
1
vote
0answers
311 views

linux-firmware-nonfree hangs my system, but I need it for 3D graphics

I'm on Debian Sid, fully up-to-date. I need firmware-linux-nonfree in order to get 3D graphics, but unfortunately, when I install it, my system hangs at boot at the point where it waits for /dev to be ...
0
votes
2answers
5k views

How to install Intel Graphics drivers for Mint 13

I have choppy video and my windows are choppy when I move them around. Also when my PC 'turns off monitor' it does not turn off normally but like the cable was unplugged. I guess I need to install a ...