2
votes
0answers
3k views

Keep getting “sudo: unable to resolve host” [duplicate]

Everytime I type in sudo it says that after it. I tried following others instructions, but it says bash: /etc/host: permission denied.
14
votes
0answers
16k views

sudo: unable to resolve host (name already added to /etc/hosts) [duplicate]

Whenever I use sudo, I get this: sudo: unable to resolve host dave00-G31M-ES2L Here is my /etc/hosts: dave00@dave00-G31M-ES2L:~$ cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 dave00-G31M-ES2 # ...