cap@capitan-black:~$ sudo apt-get update
[sudo] password for cap:
Err:1
http://security.ubuntu.com/ubuntu yakkety-security InRelease
Could not resolve 'security.ubuntu.com'
Err:2
http://ppa.launchpad.net/diesch/testing/ubuntu yakkety InRelease
Could not resolve 'ppa.launchpad.net'
Err:3
http://kz.archive.ubuntu.com/ubuntu yakkety InRelease
Could not resolve 'kz.archive.ubuntu.com'
Err:4
http://kz.archive.ubuntu.com/ubuntu yakkety-updates InRelease
Could not resolve 'kz.archive.ubuntu.com'
Err:5
http://kz.archive.ubuntu.com/ubuntu yakkety-backports InRelease
Could not resolve 'kz.archive.ubuntu.com'
W: Failed to fetch
http://kz.archive.ubuntu.com/ubuntu/dists/yakkety/InRelease Could not resolve 'kz.archive.ubuntu.com'
W: Failed to fetch
http://kz.archive.ubuntu.com/ubuntu/dists/yakkety-updates/InRelease Could not resolve 'kz.archive.ubuntu.com'
W: Failed to fetch
http://kz.archive.ubuntu.com/ubuntu/dists/yakkety-backports/InRelease Could not resolve 'kz.archive.ubuntu.com'
W: Failed to fetch
http://security.ubuntu.com/ubuntu/dists/yakkety-security/InRelease Could not resolve 'security.ubuntu.com'
W: Failed to fetch
http://ppa.launchpad.net/diesch/testing/ubuntu/dists/yakkety/InRelease Could not resolve 'ppa.launchpad.net'
W: Some index files failed to download. They have been ignored, or old ones used instead.
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?