Error sudo: unable to resolve host ip-172-31-33-149: Temporary failure in name resolution by pavi03 2022. 6. 20. [ec2] https://extrememanual.net/33739 우분투 sudo : unable to resolve host 메시지 해결 방법 - 익스트림 매뉴얼 우분투에서 sudo 또는 sudo su 명령어로 최고 권한을 얻을때 sudo: unable to resolve host host_name 메시지가 출력되는 경우가 있는데요. 필자 같은 경우 AWS 라이트세일에서 우분투를 세팅하고 기본 계정인 u extrememanual.net 공유하기 게시글 관리 OpaquePointer 'Error' 카테고리의 다른 글 ERROR: Get "https://registry-1.docker.io/v2/": dial tcp: lookup registry-1.docker.io on [::1]:53: read udp [::1]:36828->[::1]:53: read: connection refused (0) 2022.06.20 ERROR: for jenkins cannot stop container: 60f3262c25444640c56d50730a8c5d653a59bac868cc5f985554fb421c570a69: permission denied (0) 2022.06.20 File "/snap/docker/1779/lib/python3.6/site-packages/urllib3/connectionpool.py", line 710, in urlopen chunked=chunked, (0) 2022.06.20 Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? (0) 2022.06.20 Failed to execute 'postMessage' on 'DOMWindow': https://www.youtube.com !== http://localhost:9000 (0) 2022.05.26 관련글 ERROR: Get "https://registry-1.docker.io/v2/": dial tcp: lookup registry-1.docker.io on [::1]:53: read udp [::1]:36828->[::1]:53: read: connection refused ERROR: for jenkins cannot stop container: 60f3262c25444640c56d50730a8c5d653a59bac868cc5f985554fb421c570a69: permission denied File "/snap/docker/1779/lib/python3.6/site-packages/urllib3/connectionpool.py", line 710, in urlopen chunked=chunked, Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?