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Package Errors

Other Parts Discussed in Thread: DM3730

I'm currently working on the DM3730 EVM-Sitara and only supported environment is Ubuntu 10.04(I tried other platforms such as 12, 14). I run these commands:

sudo sed -i -e 's/archive.ubuntu.com\|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list

sudo apt-get update

Then, I'm getting these errors and warnings when I try to install and update packages:

 W: Failed to fetch http://tr.old-releases.ubuntu.com/ubuntu/dists/lucid-backports/main/source/Sources.gz  Something wicked happened resolving 'tr.old-releases.ubuntu.com:http' (-5 - No address associated with hostname)

E: Some index files failed to download, they have been ignored, or old ones used instead

Is anyone know how to fix this problem?

Thank you.