General :: OpenCV - Some Packages Could Not Be Installed
Feb 5, 2011
I am learning image processing and hence using opencv-2.2.0. I am following the link [URL] to install this. But even the first command to install build-essential.
Code:
apt-get install build-essential
is giving following errors...
Code:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming.
The following information may resolve the situation:
The following packages have unmet dependencies:
build-essential: Depends: gcc (>= 4:4.4.3) but 4:4.4.1-1ubuntu2 is to be installed
Depends: g++ (>= 4:4.4.3) but it is not going to be installed
Depends: dpkg-dev (>= 1.13.5) but it is not going to be installed
E: Broken packages
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Nov 6, 2010
I'm using a logitech quickcam pro 3000 on Ubuntu 10.04.
When I run a simple program with OpenCV to display the output from a camera I get the following output:
Code:
A window still opens with the output from the camera, but it seems very low quality and has far less pixels then it should. The camera built into my computer runs the same program with no problems.
My code for the program is simply:
Code:
One further note to make is that I still have the bad quality and low number of pixels with the logitech even when using webcam program. I can seem to find any drivers to update or anything though.
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Mar 9, 2010
I just installed CentOS 5.4 Final on a 64 bit system. After install, I found a lot of 32 bit packages are also installed. Is it necessary for a pure 64 bit system to run (let's say, I will never want to run any 32 bit app on this system), or is it something I could have avoided during install?
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Mar 1, 2010
Is there any standard procedure to uninstall software packages which have the above extensions?
I know how to uninstall through yum or apt-get.. but how to tackle these files?
Like Nvidia drivers comes in .run adobeAIR comes in .bin netbeans in .sh
And what if i have installed from source i.e tar balls? are there some protocols to follow?
I think it may sound a lame question but i was wondering about this since days coz i want to remove some of the apps from my laptop..
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Apr 2, 2011
I am using Linux Mint Debian Edition and am using the unstable for all my packages. I do have some that I installed from experimental like gnome3. How do I upgrade all and only all that have been installed from experimental to their new versions in experimental?
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May 11, 2011
I need to replicate my Ubuntu laptop as a VirtualBox guest. To replicate in the guest the packages currently installed in my laptop, I plan to follow the recipe given here:[URL]What I need now is a way to identify all the packages that have customizations (e.g. changes to config files, etc.)What's the best way to do this? Can dpkg figure this information out and report it?
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Mar 8, 2011
i read somewhere (I think an article by AlienBob) that you needed to make sure .tgz packages where located in a safe place as opposed to the home directory so as to prevent accidental deletion.
I have a number of .tgz packages that I have already installed and moved to the /bin/ directory for safe keeping, but its not very orderly, ya' know?
Is it safe to delete/rm these .tgz files? Im assuming that the installpkg command extracts the creamy nougat inside and puts it somewhere useful.
Also, even if it is safe to delete, what is best practice in this case? keep them forever in some isolated directory?
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Jun 25, 2010
I have a system that will not boot as /usr has been destroyed and I would like to get a list of installed packages before re-installing. I know that it's possible to get this using dpkg or apt, but I cannot run those.
Where in the filesystem is this information stored and what's the best way to get a list of installed apps from the files?
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Jul 22, 2010
I have just installed Debian Lenny and was trying to upgrade the installed packages from the packages.debian.org site. when i asked synaptic to add the downloaded packages the would not appear, but when i checked the .xsessions file there are entries saying that the packages were being ingnored because they were either different versions, the MD5 did not match or even "can't find pkg". i have to use the local library to download the packages because i dont have an internet connection at home.
[Code]...
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Jan 29, 2010
I've been reading up on ssh and I don't want anyone to connect to my computer. I am not interested in remote connectivity at all. Should I uninstall ssh? I ran Code: apt-get remove ssh and debian returned "package ssh is not installed. 0 packages removed."
I also looked online and found out about /etc/ssh/ssh_conf but all of the lines on my computer were #'d out. I also added "PermitRootLogin no" at the end. Am I safe from ssh attacks if I don't have ssh? Might be a stupid question but I don't want to fall victim. edit: it seems as though I -do- have openssh-client and openssh-server installed. Should I just leave my ssh config with PermitRootLogin no or apt-get remove openssh-client openssh-server.
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Jan 7, 2011
I was wondering how can I re-download only all currently installed packages. I would like to save them to removable media, because I use netinst disc to install, and on slow connection it's hell to download 1GB of packages with console-only.
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Feb 22, 2009
i'm having issues with looking for extra softwares to install... YUM can only see already installed softwares, i can't see any extra...
this happened after i modified the yum.repo.d files for installing softwares from DVD... i edited the files back to original.. i've triple checked my repo files and they are correct...
is there anywhere else YUM has files for handling updates and software installations? like yum.repo.d? some config file of some sort?
i can't run update either... well i all can run but reports no updates available
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Nov 16, 2009
Running F11 x86_64 on recently rebuilt desktop with new processor/motherboard
I tried to build mplayer from source, and something got messed up. When I realized I had done something wrong, I did a "make remove", and then tried to reinstall mplayer from rpmfusion using yum.
(There is a bug in mencoder that was fixed in the latest source tree - a documented bug that has to do with subtitles. I don't think I can patch a library with a diff line of code, so thought the best answer to get the update would be to install mplayer by source. I love using Fedora, and would like to make that next step in learning linux by building a few custom packages. Apparently, I don't have all the skills yet!)
That being said, my system is still not quite right. I figure the easy answer is to wait until tomorrow, upgrade to F12, and all should be well. But... I will probably compile something else and mess something else up - that's just how I roll...
I can get a list (sort of) of install packages with "yum list installed". Is there a way to strip off all of the extra information, then pipe this to yum reinstall? I may resort to doing this by hand, but there has to be an easier way!
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Jun 7, 2010
1 laptop with HDD(1) - old, small,5400. Fedora 12 installed on it backup user settings - on external USB HDD (/home/myusername) for fun - tried to upgrade to 13 using preinstall - failled put new HDD(2) and clean install F13 update the F13 install "remembered" package move back from backup all stuff from external hdd to /home/myusername onto new HDD(2) - everything is back as I know now I need to verify what packages was installed onto the old HDD I have access to it (i have one USB SATA addaptor) for the new install I can issue one
Code:
rpm -qa
my question is what I need to do to make the rpm to check on the old HDD
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Feb 2, 2010
Is there a way to see the packages that I have recently installed? I'm trying to remove a program and I'm not sure what the names of the packages that came with it are.
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Dec 13, 2010
I have been running Ubuntu on my laptop since 9.10 by itself (not dualbooting Windows). I had no problems with it back then but I did notice that when I upgraded, not all the packages installed and I would get an error message saying so. I never thought much of it. The problem became apparent when upgrading from 9.10 to 10.4, I would get an error message everytime and the upgrade would be cancelled. This forced me to reinstall Ubuntu for both 10.04 and 10.10. As soon as I downloaded 10.10 I downloaded docky and chromium. Heres where my current problems arise:
- Docky (which worked in 10.04) wont work even after I download compiz.
- Every time I update the system, if i try to update chromium or anything else from google it cancels the upgrade.
- I tried using "sudo apt-get upgrade" in the terminal but I get
"Reading package lists... Error!
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/dpkg/status
E: The package lists or status file could not be parsed or opened."
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Apr 26, 2010
This may be a dumb question, but can packages built for Bluewhite64 (any version) be installed in Slackware 13.0? I don't have a working Linux box ATM so I can't try it myself.
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Jun 4, 2011
Which packages should be installed? The system should also be able to use scim-pinyin with all its dependency packages.
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May 6, 2009
When configure packages bundled with CentOS, I have difficulty locating the installed directories. Anyway to locate those? I first worked on MySQL and now Firefox. They are not at the standard locations (or the ones refered in the manuals).
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Jul 30, 2010
How can I figure out where the files are installed? I am currently trying figure out where the mysql include / header files are. I need to install a package
and I need to pass parameter --with-mysql=/directory/to/includes
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Jun 9, 2010
I need to run Opencv 1.1 or lower to be compatible with the systems at my University where most of my work is done. 9.10 allowed 1.1 through apt, but before that I remember all kinds of nightmares getting OpenCV to run with FFMPEG. If I go back to self-installing 1.1, am I going to have a repeat of those nightmares? I guess a better way to phrase it, is there any way to get opencv 1.1 through aptitude?
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Apr 20, 2016
How do you list only installed packages that were not installed automatically? I see in aptitude that it will list whether they were installed automatically or not, but it is hard to find them because the are a lot more installed automatically than non-automatically.
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May 3, 2010
I can't remember if branch is the correct term but I am talking stable, testing or unstable.
i have looked through the dpkg and aptitude man pages but can't seem to find if there is a way to search which packages on the system are installed from a specific branch. Is there a way to do this?
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Jul 20, 2010
I want to make a rescue disc for debian such that if anything goes wrong everything can be restored to its original condition. whatever extra packages are installed they should also be put back. most importantly zimbra and its dependencies.
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Jun 20, 2009
I am installing to an empty hard drive (that for some reason is shown as /dev/sde - I don't know if it is related, but seems weird - why is it not sda, and moreover, not hda - it is an ide drive), and install goes through fine, but in the end it says "no kernel packages were installed, your grub configuration will not be changed", and the only option is to reboot. After rebooting, I get thrown into grub command prompt, and have no idea what to do there.
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Feb 14, 2010
I have Fedora 11 x86_64. I always apply all updates as soon as the Software Update applet announces them. I recall that there was an update for yumex recently to version 2.9.7. It is very nice because it now remembers the window size. But it used to display installed packages with the check box ticked. That feature seems to have disappeared. This makes it difficult when searching for something. For example, a friend who also has Fedora 11 was having difficulty with bluetooth. Since it is working fine for me I wanted to search on "bluetooth" to get a list of all packages that I have installed so he could be sure he had the same packages installed. I got a list of packages but there was no way to tell which were installed and which were not.
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Feb 19, 2010
how to get yum to list all of the packages currently installed from a specific repository?
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Apr 21, 2011
I want to list all installed packages by keyword. For example I want to know what packages were installed related to "game". How can I do that in Fedora?
I tried 'yum list installed', 'you search' ... but still can't find a solution. I'm not a yum expert .
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Mar 3, 2010
How can I list what i have installed for current packages, excluding what normally comes with a fresh install of 9.10?
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Apr 2, 2010
I searched. I poured over the man pages. No joy. How can one, with a command-line utility, determine: What, if any, upgrades are available for a specific package? What, if any, upgrades are available for all installed packages?
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