General :: Adjust Resolution Or Video Settings From Command Line?
Feb 28, 2011
I'm trying to install Ubuntu Desktop 10.10 on an Intel Atom mainboard (Intel D945GCLF2) with CRT that has been running Ubuntu 9.x previously.
Both, Desktop live CD / installer and alternate install CD cause the screen to go black (and the status LED blinks).
I was able to get a bit further into the boot process with nomodeset as parameter with the Live CD, unfortunately I can't pass GRUB any parameters now that I have used the alternate Install CD by pressing 'e', it just boots.
So now I have Ubuntu installed, I get a terminal with CTRL-ALT-F1 but I don't know what I need to do now or how to adjust resolution or video settings from command line.
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Jul 10, 2010
I'm writing a script to toggle LCD backlight on my laptop between minimum and previous/current level. I will then assign this script to a button. For this I need to be able to adjust backlight by using some command line utility. Also, this must be possible to be performed by a regular user.
What I have already tried:
1) The "xbacklight" utility. This didn't work. Program reported something like "no outputs found".
2) Used "acpitool -l <backlight_level>". This didn't work either.
3) The "echo -n 100 > /proc/acpi/video/VGA/LCD/brightness" works only when I am root. Changing permission of the file to allow writes by a user only valid until reboot. After reboot I need to change permission again, so this approach is not good either.
What works on my laptop, but with GUI:
1) Adjusting LCD brightness in "System->Preferences->Power Management" works.
2) Adjusting brightness with Gnome Brightness Applet works. However, after changing brightness with applet it says "Cannot get laptop panel brightness" and shows red crossed circle icon. Even after applet shows this message, it is possible to change the backlight level. It seems like the brightness level cannot be retrieved by the applet/system, but it can be set.
I can see that it is definitely possible to adjust LCD brightness through software because of the 2 things above, but how do I allow any user to change it from command line?
So, what are my other possible choices for changing backlight from command line?
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Jan 31, 2010
Did you play too much with compiz and after-a-while you realize that certain functions are not working anymore?
Well, just follow the steps below:
Quote:
gconftool-2 --recursive-unset /apps/compiz
Then,
Quote:
Restart your PC / lappy
[URL]
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Feb 2, 2010
I am having an install problem where the distro I am installing, installed at the wrong screen resolution. The display settings menu doesn't offer the correct resolution so I'm using half my screen real estate.
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May 6, 2010
I have a Asus EEE PC 1005P which I installed a Command-line system on using the Alternate Installer CD of Ubuntu Lucid Lynx. Altough I think this is a general linux and grub2 question. I do not have (or want) the X Window System installed. I want to change my console screen resolution (not inside X) to 1024x600. But it isn't reported when I use vbeinfo inside grub:
grub> vbeinfo
VBE info: version: 3.0 OEM software rev: 1.0
total memory: 8128 KiB
List of compatible video modes:
Legend: P=Packed pixel, D=Direct color, mask/pos=R/G/B/reserved
0x112: 640 x 480 x 32 Direct, mask: 8/8/8/8 pos: 16/8/0/24
[Code]...
Does it mean I have the driver? how to set it to 1024 x 600 in grub2?
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May 30, 2010
Have just installed my frist linux os and the screen has a big black border around it. Set the res on install to 1024x768 & this is displayed in display settings. If I run xrandr in a shell tool it only shows 640x480 available.xorg.conf has "1024x768" "800x600" & "640x480" available.Have search the web but nothing I've found works.
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Apr 12, 2011
How to adjust resolution in Mandriva 2009.1?
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Mar 9, 2011
Can I adjust the screen resolution like windows system? Fedora 14.
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Jan 23, 2011
In a previous version of UBUNTU I was able to enter a NVIDIA control panel to adjust my RGB settings. Now I'd like to change it slightly but there doesn't seem to be a NVIDIA control panel. There used to be two of them. After installing the video driver, If I tried to go into UBUNTU video settings I would get a console message stating I now need to use NVIDIA control panel and would automatically open it for me.
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Feb 23, 2010
I'm sure this is a very simple task but I don't have a lot of experience with Linux. I need to view what my display adapters settings are, specifically the refresh rate. I have found plenty on how to change the settings but not how show its current setup. I am troubleshooting an vga splitter/extender issue on a digital signage unit where the master screen syncs up but the remote screen does not, I think it has to do with H-Sync V-Sync or refresh rate.
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Jul 20, 2010
what is the command or man/info page that show how to change screen/monitor resolution while in the bash shell?
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Feb 20, 2011
Does anyone know if there's a command I can put in Terminal to change the screen resolution?
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Mar 10, 2010
I frequently ssh into machines to do work. In some cases, the machine is headless so there is no option to log in.Under Debian and on older versions of Ubuntu I would pull out the avahi and network-manager packages and manually configure the interfaces file to my liking and be done with it.However, I would now like to learn how to work within avahi/network manager. So, is there a doc somewhere explaining how to work with modern Ubuntu networking at the command-line level? Ie: Setting up a wireless connection, setting static/dynamic IPs, etc?
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Oct 14, 2010
When I boot my computer I get this message: Warning Pc video resolution is out of range Change setting to recommended resolution 1280x1024 @60mh So I hit ctrl alt f1 I typed in Sudo dpkg-reconfigure xserver-xorg Nothing happens. It's been very frustrating because with everything that I've looked up it says that it's suppose to guide me through something. I desperately need my computer for school.
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Nov 2, 2009
Next week we will get a new Server for rent with a preinstalled Debian. If we download the Networkinstaller and put it in Grub, it is possible to set some settings with a script or commandline? We need SSH and the Network haves to run. So we have to set up the Networkadress , Gateway and Netmasq. So if the Networkinstaller is booting that we get direcly access with SSH to install CentOS. It is possible?
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Jun 13, 2010
I need to know a command that is able find the hight and width of a video. I know in VLC you can go into the Codec details but I need something in the command line because I have hundreds of files that I need to organize. I could not find any VLC command that does what I want to do.
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Oct 16, 2009
Does anybody know how to get attributes for a video file from the command line? For instance I'd like to get the video file running time. I've looked all over and I can't find out how to do this; the "file" command shows some data but not running time. I'm sure there has to be a way.
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Jan 23, 2011
I wanted to share this nifty technique I came across for capturing video using the command line. The problem: I have a bunch of old VHS tapes (remember those...?) and need to get them digitized. I have a VCR, and a Dazzle Hollywood DV Bridge which captures video to DV over Firewire (IEEE1394). I first tried using Final Cut Pro, but it wouldn't capture, perhaps because it expects a controllable DV camera, and the Dazzle isn't a DVC device. I then tried my other favorite video editing app, Kdenlive, but it seemed to have the same problem.
I took a quick stab at the other common editors in the repositories (Kino, Openshot, etc.), but no luck with any of them. Then I remembered the dvgrab command, and gave that a shot and it worked, giving me a nice .dv file. However, DV makes pretty big files, which I wanted to compress down to something more manageable. Since I was going to be digitizing hours and hours of tapes, it would be great if I could compress while capturing. A little more googling and I had the answer - you can pipe dvgrab directly into ffmpeg! Here's the command:
Code:
dvgrab -format dv1 - | ffmpeg -f dv -i - -b 2000k -ab 512k -y output.mov
the first part starts the capture, in DV1 format, and outputs it to a pipe file. usually you give dvgrab a filename, like
Code:
dvgrab -format dv1 capture.dv
the second part does the encoding:
-f dv: use DV format
-i -: input from the pipe
-b 2000k: video encoding bitrate of 2000k/sec, high quality
-ab 512k: audio encoding bitrate
-y: overwrite file if it exists
I didn't set the codec explicitly, for Quicktime it defaults to MPEG4. This worked great, capturing a 2-hour tape into a high-quality quicktime around 2GB. But I also wanted to be able to view the capture while it was going. Since I left the field monitors and audio splitters at the office, I had to figure out how to do this in software. Turns out that the "tee" command does exactly what I needed - the shell never ceases to amaze! Here's the full command:
Code:
dvgrab -format dv1 - | tee >(ffmpeg -f dv -i - -b 2000k -ab 512k output.mov) >(playdv --disable-audio --no-mmap)
tee uses the
Code:
>(command)
syntax to pipe simultaneously to multiple processes. The only thing that didn't work was audio playback, which was choppy and introduced errors in the capture file. I think a little tweaking with the capture rates could fix that.
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Jun 11, 2010
I have just did a fresh install of Ubuntu 10.04 to a computer with a generic, low end, on board graphics card. It will not allow me to change the resolution to something other than 800x600 or lower. 8.04 allowed me to set the resolution to as high as 1600x1200 using the same monitor/graphics card.
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Mar 11, 2010
I want to take consecutive screenshots of a video using command line operations but I can't seem to find accurate documentation on different websites.Does anyone know how to do this using vlc, totem or another program?I've used ffmpeg as well, but then reencodes and splits the video file. I just want to take consecutive screenshots.
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Oct 28, 2010
On last boot it was fine but now it is showing 800X600 which is too low . How to adjust it
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Jun 10, 2011
I am installing CentOS 5.6 on an old PC with a small LCD monitor. Anaconda did not determine that the resolution of the monitor is limited and it configured the display to 1280 x 1024 which is out of range for the monitor. So I connected a different monitor and completed the install then set the resolution to 1024 x 768 which the monitor should accept. I connected the small monitor but it still displays "OUT OF RANGE" when the PC boots.
I then connected to the PC over ssh and changed /etc/inittab to start in runlevel 3 and rebooted the PC. At the moment I am downloading the necessary updates with yum and pondering the problem. Some Internet searching tells me that I can adjust the resolution with Xconfigurator. That beings back old memories of Red Hat 7.x.
However, Xconfigurator is not present on the CentOS 5.6 install. So... short of shutting down the PC I am on now and transferring the monitor back to the old PC and trying another resolution etc. Is there a way to change the resolution without running the gnome gui and using the System; Preferences;Display Resolution tool? I am not running any proprietary video drivers on the PC.
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Apr 1, 2011
I am using 10.10 and am searching for a program to adjust the settings on my webcam. I am using webcamd to upload pictures to a weathercam. I can use Cheese for viewing the output but the adjustments made there don't stick when I close Cheese.
It appears there used to be a package called gqcam which may have done the trick, but I can't find it in the repositories anymore. There is a current tar.gz package available but I'm hesitant to use it since I don't know why it was removed from the repositories. Does it conflict with the recent video changes in Ubuntu and what conflicts could it cause now or when I attempt to upgrade?
Heres my question: Is there a program available for Ubuntu which will allow me to adjust the settings of my webcam or is gqcam still compatible with Ubuntu? Bonus points for a .deb package.
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Apr 19, 2011
I have a dell inspiron 600m with xubuntu 10.10 installed, I have it for a kids computer so I installed web content filtering (dansgaurdian) and I installed simple module for admin. dansgaurdian's control files (libdansgaurdian-perl) I instilled both from the USC. But I can't find where I can ajust the settings and on the web dansG is not filtering. how to find the gui part of it?
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Nov 17, 2010
Is there a command line utility to tell me about what's inside a video file? Say I have a .mpg file. I want to know about the video stream and the various audio streams, the codec used for the video stream, the bitrate of the video stream, and so on.
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Jul 17, 2010
Suffering from the expected error in detecting my video properly when installed 11.3.Have intel 915G onboard video. Up until 11.1 Opensuse struggled with loading this correctly. in 11.1 & 11.2 all was well. A couple of minor tweaks in sax2 and it worked perfectly. Now hat sax2 has gone I'm not sure how to make these minor tweaks.
My problem is I have been forced to a screen resolution of 1024X768 VGA Following the readme file adding nomodeset at boot fixes the problem but of course forces me back to an old video driver with pretty poor performance. Is there any way I can change the screen resolution and set the correct monitor - any GUI replacement for sax2? Krandrtray will only let me set a max res of 1024x768. I need to set res to 1280x1024
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Jan 6, 2010
why both ubuntu and centos 5.4 will only give me 800x600 resolution on my monitor when opensolaris immediately gives me 1280x1024?The first time I tried ubuntu it gave me 1280x1024 and now will only make 800x600...This is a viewsonic VG930M Monitor..
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Aug 7, 2010
I just want to know how to adjust the screen resolution of my boot up screen. My PCs maximum resolution is 1366x768 but I think my boot up screen only uses 600x400. I doesn't look nice for me. The logo of Kubuntu is too big and the colors are not the true colors of the Kubuntu Boot up screen.
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Mar 23, 2011
I have a problem with my graphics (exactly this one: [URL] I've got an Intel 845G chipset and a LG Flatron F900P monitor.A friend of mine convinced me to try ubuntu and I installed the 10.10 version. Everything (except the monitor's resolution) works all right.
My computer is: IBM Net Vista 8305-21G
Chipset: FRU PN 49P1599 (Intel 845G)
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Jan 5, 2010
I've been trying for very long now to adjust my screen resolution to my desired setting. So far, no luck. Just today I went in to examine what my xorg.conf looked like and this is what I saw.
Section "Screen"
Identifier "Default Screen"
DefaultDepth 24
Option "AddARGBGLXVisuals" "True"
[Code].....
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