Bunnypicker Sources no good

[3QWNC]

after replacing getting this error msg: (using windows machine putty BB 2)

root@bunny:~# apt-get update
Err http://archive.debian.org jessie InRelease

Err http://archive.debian.org jessie/updates InRelease

Err http://archive.debian.org jessie Release.gpg
Could not resolve 'archive.debian.org'
Err http://archive.debian.org jessie/updates Release.gpg
Could not resolve 'archive.debian.org'
Reading package lists... Done
W: Failed to fetch http://archive.debian.org/debian/dists/jessie/InRelease

W: Failed to fetch http://archive.debian.org/debian-security/dists/jessie/updates/InRelease

W: Failed to fetch http://archive.debian.org/debian/dists/jessie/Release.gpg Could not resolve 'archive.debian.org'

W: Failed to fetch http://archive.debian.org/debian-security/dists/jessie/updates/Release.gpg Could not resolve 'archive.debian.org'

W: Some index files failed to download. They have been ignored, or old ones used instead.