aws ec2 yum 반응없음 & ec2 환경세팅

Amazon Linux AMI를 사용하는 ec2에서
mysql, corretto 등을 다운받기 위해서 yum을사용할 때, 시간초과가 뜨는 경우가 있다.
Error: Error downloading packages: Curl error (28): Timeout was reached for https://al2023-repos-ap-northeast-2-de612dc2.s3.dualstack.ap-northeast-2.amazonaws.com/core/mirrors/2023.4.20240401/x86_64/mirror.list [Connection timeout after 30002 ms]

[MIRROR] mysql80-community-release-el9-1.noarch.rpm: Curl error (28): Timeout was reached for https://dev.mysql.com/get/mysql80-community-release-el9-1.noarch.rpm [Failed to connect to dev.mysql.com port 443 after 30000 ms: Timeout was reached]

• 네트워크 ACL과 보안그룹에서 443을 열어줬는지 확인!

• corretto 다운
  • https://docs.aws.amazon.com/ko_kr/corretto/latest/corretto-17-ug/amazon-linux-install.html
• mysql 다운
  • https://jinhos-devlog.tistory.com/entry/MySQL-8-Community-Edition-%EC%84%A4%EC%B9%98-%EC%A4%91-%EC%98%A4%EB%A5%98

참고

• https://repost.aws/ko/knowledge-center/ec2-troubleshoot-yum-errors-al1-al2
• https://galid1.tistory.com/367