[Networking] Temporary failure in name resolution

Code:

root@hostibu:/etc/apt/sources.list.d# cat /etc/resolv.confcat: /etc/resolv.conf: No such file or directoryroot@hostibu:/etc/apt/sources.list.d# cat /etc/nsswitch.conf# /etc/nsswitch.conf## Example configuration of GNU Name Service Switch functionality.# If you have the `glibc-doc-reference' and `info' packages installed, try:# `info libc "Name Service Switch"' for information about this file.passwd:         files systemdgroup:          files systemdshadow:         files systemdgshadow:        files systemdhosts:          files dnsnetworks:       filesprotocols:      db filesservices:       db filesethers:         db filesrpc:            db filesnetgroup:       nisroot@hostibu:/etc/apt/sources.list.d# cat /etc/resolv.confcat: /etc/resolv.conf: No such file or directoryroot@hostibu:/etc/apt/sources.list.d# ping debian.netping: debian.net: Temporary failure in name resolution