apt-get -y install wget screen curl python 运行错误

你好，
  在ubuntu 16.04中安装oneinstack时运行：apt-get -y install wget screen curl python 出现错误：
Last login: Sat Mar 18 10:30:04 2017 from 116.30.240.167
ubuntu@**********:~$ sudo su -
root@***********:~# apt-get -y install wget screen curl python
Reading package lists... Done
Building dependency tree
Reading state information... Done
screen is already the newest version (4.3.1-2build1).
curl is already the newest version (7.47.0-1ubuntu2.1).
wget is already the newest version (1.17.1-1ubuntu1.1).
The following additional packages will be installed:
libpython-stdlib libpython2.7-minimal libpython2.7-stdlib python-minimal python2.7
python2.7-minimal
Suggested packages:
python-doc python-tk python2.7-doc binutils binfmt-support
The following NEW packages will be installed:
libpython-stdlib libpython2.7-minimal libpython2.7-stdlib python python-minimal
python2.7 python2.7-minimal
0 upgraded, 7 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,735 kB/3,907 kB of archives.
After this operation, 16.6 MB of additional disk space will be used.
Err:1 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libpython2.7-minimal amd64 2.7.12-1~16.04
404 Not Found [IP: 54.158.68.0 80]
Err:2 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 python2.7-minimal amd64 2.7.12-1~16.04
404 Not Found [IP: 54.158.68.0 80]
Err:3 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libpython2.7-stdlib amd64 2.7.12-1~16.04
404 Not Found [IP: 54.158.68.0 80]
Err:4 http://us-east-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 python2.7 amd64 2.7.12-1~16.04
404 Not Found [IP: 54.158.68.0 80]
E: Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/main/p/python2.7/libpython2.7-minimal_2.7.12-1~16.04_amd64.deb 404 Not Found [IP: 54.158.68.0 80]
E: Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/main/p/python2.7/python2.7-minimal_2.7.12-1~16.04_amd64.deb 404 Not Found [IP: 54.158.68.0 80]
E: Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/main/p/python2.7/libpython2.7-stdlib_2.7.12-1~16.04_amd64.deb 404 Not Found [IP: 54.158.68.0 80]
E: Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/main/p/python2.7/python2.7_2.7.12-1~16.04_amd64.deb 404 Not Found [IP: 54.158.68.0 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?