我无法更新我的EC2实例。有什么建议可以使我工作吗？我在下面粘贴了回复。让我知道是否需要分享其他详细信息。 TIA。
uname -a
Linux ip-10-0-0-82 4.15.0-1035-aws #37-Ubuntu SMP Mon Mar 18 16:15:14 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
sudo apt-get update -y
Ign:1 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic InRelease
Ign:2 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-updates InRelease
Ign:3 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-backports InRelease
Err:4 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic Release
404 Not Found [IP: 54.168.29.123 80]
Err:5 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-updates Release
404 Not Found [IP: 54.168.29.123 80]
Err:6 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-backports Release
404 Not Found [IP: 54.168.29.123 80]
Hit:7 http://security.ubuntu.com/ubuntu bionic-security InRelease
Reading package lists... Done
E: The repository 'http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic Release' no longer has a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-updates Release' no longer has a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-backports Release' no longer has a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.