i writes:
apt-get update --fix-missing


apt writes:
Err http://auto.mirror.devuan.org jessie Release.gpg
  Could not resolve 'auto.mirror.devuan.org'

(and others errors)

many lines:

W: Failed to fetch http://auto.mirror.devuan.org/merged/dists/jessie-security/InRelease

W: Failed to fetch http://auto.mirror.devuan.org/merged/dists/jessie/Release.gpg  Could not resolve 'auto.mirror.devuan.org'