Describes the cause and action for error messages.
bash unable to resolve host
sudo: unable to resolve host が表示されたら - Qiita
Windows Subsystem for Linux Error "Unable to resolve host ..."
Error message "sudo: unable to resolve host (none)" - Ask Ubuntu
command line - Why I got 'unable to resolve host ...
sudo - Ubuntu for Windows 10
Fix unable to resolve host error in Bash on Ubuntu in Windows 10
Error "sudo: unable to resolve host" happens on sudo calls on fresh ...
Bash Error "Unable to resolve host" (Bash on Ubuntu on Windows ...
[SOLVED] unable to resolve host - Ubuntu Forums