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Have you ever got this error message "Cannot Access PPA (ppa url) to get PPA Information, please check your internet connection"? But in the same time we can browsing some webpage and download files. Why we can't acces the ppa? After search on the forum i get the answer, it's because of what we type in terminal

For example in the screenshot below is

sudo add-apt-repository ppa:irie/Blender

cannot access PPA to get the information

We need to change all letters to lowercase, so we can add the ppa repository in our machine. The code look like this

sudo add-apt-repository ppa:irie/blender

After change all letters into loweracase, the ppa can be added

add ppa success

I hope can help everyone who are frustrated because can't  ppa to repository list :D

My brother has a tv tuner that has not been used. Now, i try to use it in Ubuntu 12.10. I try to search linux driver on hardware website but i am not found the driver. But i found an ubuntu package that can use for watching tv, the package called tvtime. To install this package just run

sudo apt-get install tvtime

tv tunner

Although there are a tvtime package, but the application does not run so well for my gadmei. I think because it was too old, about 5 years ago. There are a few things I do to fix the application to be compatible with the hardware I have. The problems that I experienced after the installation is

TVTIME not detect the video source from Gadmei. By default, tvtime detect video source such as a webcam on the laptop. We can figure out the problem by running tvtime in a terminal. Would appear an error message like this

videoinput: Driver won't tell us its norm: Invalid argument
videoinput: Can't get tuner info: Inappropriate ioctl for device
    Your capture card driver: uvcvideo [Laptop_Integrated_Webcam_2HDM/usb-0000:00:1a.0-1.4/19
    does not support full size studio-quality images required by tvtime.
    This is true for many low-quality webcams.  Please select a
    different video device for tvtime to use with the command line
    option --device.

To fix this, go sourcelist of tvtime in the folder / etc by running the command

 sudo gedit /etc/tvtime.xml 

search for code below

 <option name="V4LDevice" value="/dev/video0"/>

Change the video0 to video1 so the code will be look like this

<option name="V4LDevice" value="/dev/video1"/>

Before start watching we need to scan the tv frequency on our location :D. So we can save the frequency of  tv station in our area. To scan tv frequency, run this command to terminal

 tvtime-scanner

tvtime-scanner

After that just rung tvtime and you will can watch television in your ubuntu desktop.

watching television on ubuntu