W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic/InRelease

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic-updates/InRelease

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic-backports/InRelease

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic-security/InRelease

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic/Release.gpg  Could not resolve 'mirrors.sfo1.digitalocean.com'

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic-updates/Release.gpg  Could not resolve 'mirrors.sfo1.digitalocean.com'

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic-backports/Release.gpg  Could not resolve 'mirrors.sfo1.digitalocean.com'

W: Failed to fetch http://mirrors.sfo1.digitalocean.com/ubuntu/dists/utopic-security/Release.gpg  Could not resolve 'mirrors.sfo1.digitalocean.com'

W: Failed to fetch http://ppa.launchpad.net/kilian/f.lux/ubuntu/dists/utopic/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/kilian/f.lux/ubuntu/dists/utopic/main/binary-i386/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/mc3man/trusty-media/ubuntu/dists/utopic/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/mc3man/trusty-media/ubuntu/dists/utopic/main/binary-i386/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/mamarley/nvidia/ubuntu/dists/utopic/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/mamarley/nvidia/ubuntu/dists/utopic/main/binary-i386/Packages  404  Not Found