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Q: How do you check whether opencv is installed in ubuntu?
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Why might a scanner not work after being installed?

Please check whether you installed proper driver for your scanner.


How much does an Ubuntu desktop cost?

Ubuntu is a free system program. Therefore, all of the software which comes from Ubuntu is free as well. One might want to check out from the main website of Ubuntu.


How do you check whether dual core is installed?

Use the software CPU-Z which is free. It will show you all required information.


What Ubuntu command is used to check network adapter settings?

ifconfig


How do you check battery level on Ubuntu in the terminal?

[sudo] acpi -b


How do you use Linux on a home PC?

it really depends on what distro of Linux you would like. by far the most user friendly i have came across is ubuntu. www.ubuntu.com download the live CD and try it out, doesnt require install to test, but has install option on live disc. as a matter of dual booting to use windows and Linux, you can find information all over Google about that, or the ubuntu forums. i use ubuntu as a main OS, and i have not had windows installed since 2005, no need for it. check out the ubuntu forums for any help as well as their irc channel.


How are dependency issues resolved using apt-get?

Each package maintainer is responsible for knowing what dependencies there are on their own software package. These dependencies are on the main Ubuntu site in a database of information. This database is a lot like the dependencies one might create with a 'makefile' so that the package is correctly compiled and installed if any of the modules are changed. The client side Ubuntu system has a link to the main package repositories so that when apt-get is invoked it can check what is necessary on the system with the current packages that are installed. Most Linux systems have some way of keeping track of what is installed and the level of the software. Each might be slightly different, but the main idea is the same; knowing what the package requires and what is currently installed on the local site.


How do you fix a still waiting for root device error in Ubuntu when I installed with two Hard Drives mounted and removed one?

If you get a message in Ubuntu stating "Still waiting for root device" and you HAVE installed Ubuntu while an external sata hard drive was attached or an extra sata drive that was removed later. Check the GRUB file! You might need to boot into Ubuntu with live CD and change /boot/grub/grub.cfg on the boot drive. The grub.cfg file is where to change the root drive device settings. Change from /dev/??sdb1?? to what your root drive is. usually /dev/sda1THIS IS ONLY FOR NEW UBUNTU USERS THAT INSTALLED UBUNTU WITH A REMOVABLE SATA DRIVE ATTACHED TO THE COMPUTER DURING INSTALLATION. OR FOR PEOPLE THAT KNOW THEIR BOOT DRIVE IS NOT WHERE ROOT IS TRYING TO LOAD.If you are not one of these users then just Google all the other fixes. Most answers say "It can not be the GRUB device settings", but it is sometimes.More Answers:There are several possible ways that error could occur. The most likely reason is that the file system or hard drive has become damaged in some fashion. Booting in recovery mode should offer more detail as to the cause of the error, as well as providing the opportunity to run fsck if the file system is damaged.


Which ubuntu forums are the most informative?

The ubuntu forums is a Linux based forum that is open to users and professional users alike. The forum was designed as a community to help each other with problems. Answers to issues are resolved from other people. There is a large amount of information given on the forums, but it is always best to check the information to ensure there are no errors.


How do you check if an X server is installed in your system?

whereis xinit If nothing returns, it is not installed.


Ubuntu 10 was scheduled to released today But nothing special on ubuntu.com Why?

Perhaps the day hasn't started where the ubuntu team is based, or perhaps the website is a little slow to reflect the changes. Wait a day or two and check again.


Passenger side air bag light on after CD player installed was installed. Check Engine light on?

Check ground wires... and all connections.