General :: Change The Parameters Of In-built Gspca To Increase The Image Quality?

Mar 24, 2011

I'm using Logitech WebCam on fedora 11 and running webcam server to capture the images on the browser.. it works fine but the image quality is poor...could anyone suggest me how to change the image quality by passing parameters via command line??I tested Video quality on cheese as well, which is poor too..I searched a lot in google for a solution but no use... i got some patch but couldn't install that since the gspca driver on my fedora 11 is in-built..

Output of lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 020: ID 046d:092f Logitech, Inc. QuickCam Express Plus


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Debian :: Increase Image & Font Rendering Quality?

Mar 23, 2011

Below are example screenshots of Freemind from Ubuntu Lucid and Debian Squeeze



You'll notice that there is slightly different quality, it is also applies to pdf documents.

and my question is.. how do i increase rendering quality in debian squeeze?

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Ubuntu :: Increase Image Size Without Quality Loss?

Feb 26, 2010

is there a way to zoom in on an image with out as much blur as normal?

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Ubuntu :: Change The Background-image With Parameters?

May 31, 2010

I need to do a script to change the background image. I can do this with this command

PHP Code:


that work's fine but i need send some parameters to the background image

1)I need to set the style(mosaic, center, etc)

2)I need to set a color(because the image is smaller than the resolution)

I can't find how set this two parameters

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Ubuntu Multimedia :: How To Increase Video Reproduction Quality

May 11, 2011

When I watch movies on Ubuntu I noticed that quality of reproduction is not good as in Windows. All movies seems to have some sort of contrast problem which I don't know how to fix. This problem is not present in Windows (XP/7) and stand-alone DVD players play them also correctly.

Here are images (AVI, DivX format)

Windows version:
Linux version:

Also here is MKV format which is noticeably even sharper in Windows:

Windows version:
Linux version:

Note: I didn't wanted to include them in post since they are quite big and I didn't want to do JPG compress since they might lose quality. Try not to resize them.

On Ubuntu I installed some 'extra' codecs (might be proprietary) via Software center. I use standard movie player that comes with 10.10, but for MKV I use VLC since mkv don't run in standard movie player. On Windows I use k-lite codec pack and GOM player. My guess is that Windows solve those sharpness and contrast issues by using some playback filters (possibly contained in k-lite codec pack) that are unavailable in Ubuntu. I installed proprietary video driver for ATI RADEON 2600.

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Ubuntu Multimedia ::unable To Change Webcam Brightness, And It Says Gspca Module Couldn't Be Found?

Apr 26, 2010

On aMSN the webcam works,but it's very very dark, and i can't move the adjusment handlers for some reason. Also, i tried several methods to increase the gamma, but it just won't work...nothing can i proceed?

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General :: Image Editing (have To Increase A File Size To Just 1 Kb) In Ubuntu

Jul 25, 2011

i have to upload a signature image(in jpeg format) to fill a recruitment form which says file-size must be of between 10-20 kb......i have scanned image which is of 9.5 kb.....tried to edit in shotwell photo manager....tried some random things in Adjust and crop menu but my little changes didn't work, it always shortened the file i don't know anything about Image editing can someone tell me how can i increase the file size (>=10kb) i also tried gnome-screenshot to take the screenshot of the image, but it also saved the new image smaller than 10kb....

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General :: Custom TCP Parameters For Multiple Interfaces - Change The Default Values

Feb 16, 2011

My question is about TCP parameters in Linux. By now, I want to change the default values of:

Initial Timeout
ACK Delay
Idle Connection Timeout

I have a Linux Box with kernel 2.6.x and 2 ethernet interfaces. I know TCP is a stack that doesn't have anything to do with ethernet devices. Said that, the question: is there a way to set custom values for each interface? For example, a server listening to connections in eth0 would use one value for Idle Connection Timeout and another server listening to connections in eth1 could use a different value for that parameter.

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Ubuntu :: Kile Under Vncserver Loss Image Quality?

Jan 18, 2011

It is about vncserver. While I use Vncviewer connect to Desktop :0. The Kile picture is the same as that I am on the local machine. But, when I connect to the desktop created by vncserver,say Desktop :1. The Kile picture is pretty bad. I attached two pictures. One is for Desktop :0 and another is Desktop :1. I wonder how to make configurations to vncserver in order to make Kile look better.

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Ubuntu :: NVidia Driver Installed - Poor Image Quality

Jun 2, 2010

I just installed My first Linux / Ubunto. PC as a Nvidia 8600, installed Nvidia driver. Very poor quality display. Using ViewsonicVP231wb.

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Ubuntu :: Firefox Page Zoom Gives Poor Image Quality?

Aug 2, 2010

One of my favorite features of fire fox is the page zoom ( ctrl + / ctrl - ) that zooms the entire page retaining the layout how ever when I installed 10.04 on my main desktop firefox started scaling the images very poorly ( ie no smoothing, leaving the image looking extremely pixelated ).All threads I've found on the subject seems to related to ubuntu 8, and suggest that a bug fix was underway... hopefully this means there is an easy fix - but what?info;Same computer it worked fine on ubuntu 9.xx and windows 7 - when doing desktop zoom (meta + mouse scroll ) the images also scales as expected.

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General :: Make - Gspca - Error ?

Feb 7, 2011



What is the problem I face make error during several operations.

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Software :: Easiest Way To Increase Size Of A Xen Image?

Dec 11, 2009

What is the easiest way to increase the size of a Xen Image made from an image?

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Ubuntu :: Change Boot Parameters In Grub2?

Aug 10, 2011

I have a mental block whenever I'm confronted with anything to do with grub2. Changing things in menu.lst was SO much simpler....

I want to include the command 'acpi=off' - but where do I put it? Can I change the detail of an existing grub entry in this way, or do I have to create a complete custom menu entry in grub.d and include it in that?

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Software :: Change The Value Of Positional Parameters Inside A File?

Mar 26, 2010

I was wondering if there is a way to change the value of positional parameters inside a file.I mean, i want to change the value of a certain field of a file to the one i provide with?

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Ubuntu :: Change Queue Parameters Dynamically During The Simulation Under NS2 Simulator?

Sep 19, 2010

I want to change parameters of a RED queue during the simulation but it seems that some parameters can be modified only before starting the simulation, not dynamically, while the simulation is in progress. For example the following subroutines works before $ns run command but it do not change the behavior of the queue during the simulation( I want to change maxthresh_ and thresh_ after $ns

run command): Code: proc setREDParameters { redQueue MINth MAXth PER_MaxP Wq } {
$redQueue set thresh_ $MINth
$redQueue set maxthresh_ $MAXth


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Fedora Hardware :: Unable To Change Resolution On Laptop Also Video Quality?

Feb 19, 2011

I installed fedora 14 on Dell laptop but I am unable to change resolution on my laptop also video quality is poor , I think proper drivers are not installed. I am new to Fedora, so probably missing something.

[root@localhost qalandar]# lspci -nnk | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02)

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Ubuntu :: Change Startup Image (usplash Image)?

Jul 15, 2010

I would like to change my startup image (usplash image). For that i change /lib/plymouth/themes/ubuntu-logo/ubuntu_logo.png and /lib/plymouth/themes/ubuntu-logo/ubuntu_logo16.png. Then the splash screen of shutdown screen changes .But booting screen doesnot change.

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General :: Change The Floppy Image Of Qemu?

Jan 18, 2010

I'm developing my own OS, but I'm having some problems with Qemu, because I need to change the floppy image from grub.img to os.img while the emulation is running, but how can I do this?

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General :: How To Change Mkahawa Blocking Image

Dec 23, 2010

i have been trying to change the default mkahawa blocking image without success because simply i cannot find the lockpix.gif directory they are talking about!! i also tried changing that through the server but the results still proved futile.

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Debian :: Ati 4200 Built In To MB/cannot Change Resolution?

Apr 23, 2010

I just installed debian (lenny) on a new MSI 785GTM-E45 motherboard with a built in Radeon 4200. I have a MAG 22" LCD monitor that has a maximun resolution of 1680X1050.xrandr on my sytems reports the following: the maximum is incorrect

Screen 0: minimum 320 x 200, current 1920 x 1440, maximum 1920 x 1440
default connected
1920x1440 0.0


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General :: Image Bigger Than Display - Wallpaper Change

Aug 31, 2011

I am looking for a tool that can resize images and display them on the root window of an X11 display at a specific coordinates. I can use display from iagemagick like so display -window root -geometry '-0-0' -resize '1920x1080>' IMG.png But cannot use it since it does not display on the right root window -- pseudo transparency in urxvt shows the wrong image as shown here. Ideally, I would like to resize any image bigger than my display. Does anyone know of a too that can do the following: Resize the image if it is bigger than some size (aka the display size). Set the images top appear at specific screen coordinates.

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General :: Change Background Image Of Login Screen?

Mar 5, 2010

I rarely work with Desktop enviroment and so stuck in GNOME for following task I want to change background image of login screen with my own photograph in RHEL 5.3. How to achieve this ?

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General :: Change Image Of An Executable File From Commandline.

Feb 15, 2011

I want to change the icon image of the executable files from command line.

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General :: Change The GRUB2 Boot Loader Background Image?

May 1, 2011

i've started off using linux with ubuntu 10.10, and then i moved to linux mint 10 kde, and after finding out that it didn't support my hardware, in specifically my graphics card, i switched back to ubuntu 10.10, and from there i upgraded to 11.04. i hated the gui so i switched it from ubuntu to ubuntu (classic) environment. i also installed kubuntu-desktop too, and it looks a lot like mint 10 kde, i guess it uses kde 4.6, but... it's more stable for me. anyway, what i mean is that, originally ubuntu had a black background, linux mint 10 kde had a pretty cool custom mint background, ubuntu 11.04 has a purple background. i looked on videos, i found people using customized backgrounds, but they either don't explain how they got it *like for instance, someone said opensuse 11 or 13 has an icy penguin animated background, and someone else had one that you could scroll through.* or it's too complicated or outdated. is there a simple way to change your grub2 boot loader background image?

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Networking :: Unable To Change Bnx2 From Built In To Module In Menuconfig

Jun 25, 2010

I am having trouble upgrading my broadcom drivers ( bnx2 ) for some reason i can't switch Broadcom NetxtremeII support from "built in " to module in menuconfig. can someone show me why this is the case?


also i do have loadable module support enabled[*] Enable loadable module support

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Ubuntu :: Graphics - Change To A Warped Mix Of Colors And Pixels When Change The Background Image

May 19, 2010

I recently installed Ubuntu 10.04 Netbook Remix on my Gateway LT3103u. I noticed shortly into using it that it has a graphics bug every so often. Especially when I change the background image. Everything will change to a warped mix of colors and pixels. Everything is affected. My mouse, the bar at the top of the screen, text and all. My netbook runs on an AMD Athlon 64-bit processor with ATI Radeon X1270 HyperMemory up to 256MB graphics.

So far I have tried reinstalling, and even the 64bit desktop edition which had the same problem. Ive noticed that it freaks out when i scroll too quick, when changing background images, and on certain websites. Then other times its completely random. When it happens it looks similar to these: [URL]

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OpenSUSE :: Increase The Font Size From Konqueror Settings The Web Browser Fonts Change?

Apr 29, 2011

When I increase the font size from Konqueror settings the web browser fonts change but the file manager fonts stay the same. Is there another way of setting them?

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Security :: Change Values Of Parameters For Iptables "recent" Match?

Dec 8, 2010

According to the man page, the "recent" match of iptables accepts certain parameters (e.g. "ip_list_tot"). I'd like to change the values of some of them.
All the solutions found on the web were about changing parameters for module, but my kernel was compiled without modules support (such that it can be used for installation booting as well).
How can I change the match parameters for my non-modular kernel ?

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OpenSUSE Hardware :: GSPCA Webcam Driver Since Last Kernelupdate?

Sep 19, 2010

Last week I got a newer kernel via Yast -> Online Update. Since then, my Logitech webcam does not work anymore. Neither with Skype or Kopete. After starting skype, the output of dmesg is:

gspca: bandwidth not wide enough - trying again ohci_hcd 0000:00:12.0: leak ed f44e30c0 (#81) state 2

When I unplug the webcam and plug it into another USB-port and start skype again, it works most of the time. Sometimes I have to repeat this several times. Wen it works, the output of dmesg is:

usb 7-4: new full speed USB device using ohci_hcd and address 2
usb 7-4: New USB device found, idVendor=046d, idProduct=092f
usb 7-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 7-4: Product: Camera


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