Olá,
Tentei executar o comando sudo apt-get install openjdk-8-jre e deu o erro:
Do you want to continue? [Y/n] y
Err:1 http://security.ubuntu.com/ubuntu xenial-security/main amd64 openjdk-8-jre -headless amd64 8u131-b11-0ubuntu1.16.04.2
404 Not Found [IP: 54.146.71.23 80]
Err:1 http://security.ubuntu.com/ubuntu xenial-security/main amd64 openjdk-8-jre -headless amd64 8u131-b11-0ubuntu1.16.04.2
404 Not Found [IP: 54.146.71.23 80]
Err:2 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibdrm-amdgpu1 amd64 2.4.70-1~ubuntu16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:3 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibdrm-intel1 amd64 2.4.70-1~ubuntu16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:4 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibdrm-nouveau2 amd64 2.4.70-1~ubuntu16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:5 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibdrm-radeon1 amd64 2.4.70-1~ubuntu16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:6 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibgl1-mesa-dri amd64 12.0.6-0ubuntu0.16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:7 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibglapi-mesa amd64 12.0.6-0ubuntu0.16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:8 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibgl1-mesa-glx amd64 12.0.6-0ubuntu0.16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:9 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 l ibgtk2.0-common all 2.24.30-1ubuntu1.16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:10 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libgtk2.0-0 amd64 2.24.30-1ubuntu1.16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:11 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libgtk2.0-bin amd64 2.24.30-1ubuntu1.16.04.1
404 Not Found [IP: 54.146.71.23 80]
Err:12 http://security.ubuntu.com/ubuntu xenial-security/main amd64 openjdk-8-jr e amd64 8u131-b11-0ubuntu1.16.04.2
404 Not Found [IP: 54.146.71.23 80]
Err:12 http://security.ubuntu.com/ubuntu xenial-security/main amd64 openjdk-8-jr e amd64 8u131-b11-0ubuntu1.16.04.2
404 Not Found [IP: 54.146.71.23 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/o/openjdk-8/openj dk-8-jre-headless_8u131-b11-0ubuntu1.16.04.2_amd64.deb 404 Not Found [IP: 54.1 46.71.23 80]
E: Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/main/libd /libdrm/libdrm-amdgpu1_2.4.70-1~ubuntu16.04.1_amd64.deb 404 Not Found [IP: 54. 146.71.23 80]
...
