sudo: unable to resolve host

sudo: unable to resolve host

1 문제상황[ | ]

ubuntu@ip-172-31-46-180:~$ sudo true
ubuntu@ip-172-31-46-180:~$ sudo hostnamectl set-hostname myserver1
ubuntu@ip-172-31-46-180:~$ sudo true
sudo: unable to resolve host myserver1
ubuntu@ip-172-31-46-180:~$

2 조치[ | ]

  • /etc/hosts 파일에 새 호스트명을 추가해준다.
ubuntu@ip-172-31-46-180:~$ sudo vi /etc/hosts
127.0.0.1 localhost
127.0.1.1 myserver1

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
ubuntu@ip-172-31-46-180:~$ sudo true
ubuntu@ip-172-31-46-180:~$

3 같이 보기[ | ]

4 참고[ | ]

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