Question
I get error when apt-get update how to resolve this problem?
Err http://security.ubuntu.com trusty-security InRelease
Err http://security.ubuntu.com trusty-security Release.gpg
Could not resolve ‘security.ubuntu.com’
Err http://mz.archive.ubuntu.com trusty InRelease
Err http://mz.archive.ubuntu.com trusty-updates InRelease
Err http://mz.archive.ubuntu.com trusty-backports InRelease
Err http://mz.archive.ubuntu.com trusty Release.gpg
Could not resolve 'mz.archive.ubuntu.com’
Err http://mz.archive.ubuntu.com trusty-updates Release.gpg
Could not resolve 'mz.archive.ubuntu.com’
Err http://mz.archive.ubuntu.com trusty-backports Release.gpg
Could not resolve 'mz.archive.ubuntu.com’
Reading package lists… Done
W: Failed to fetch http://mz.archive.ubuntu.com/ubuntu/dists/trusty/InRelease
W: Failed to fetch http://mz.archive.ubuntu.com/ubuntu/dists/trusty-updates/InRelease
W: Failed to fetch http://mz.archive.ubuntu.com/ubuntu/dists/trusty-backports/InRelease
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/InRelease
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/Release.gpg Could not resolve 'security.ubuntu.com’
W: Failed to fetch http://mz.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg Could not resolve 'mz.archive.ubuntu.com’
W: Failed to fetch http://mz.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg Could not resolve 'mz.archive.ubuntu.com’
W: Failed to fetch http://mz.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg Could not resolve 'mz.archive.ubuntu.com’
W: Some index files failed to download. They have been ignored, or old ones used instead.
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