Do you want to continue [Y/n]? y
Err http://archive.ubuntu.com/ubuntu/ saucy/main postfix amd64 2.10.2-1
  404  Not Found [IP: 91.189.91.13 80]
Err http://archive.ubuntu.com/ubuntu/ saucy/main bsd-mailx amd64 8.1.2-0.20111106cvs-1ubuntu1
  404  Not Found [IP: 91.189.91.13 80]
Err http://archive.ubuntu.com/ubuntu/ saucy/main python-configobj all 4.7.2+ds-5
  404  Not Found [IP: 91.189.91.13 80]
Err http://archive.ubuntu.com/ubuntu/ saucy/main pastebinit all 1.3-4ubuntu1
  404  Not Found [IP: 91.189.91.13 80]
Err http://archive.ubuntu.com/ubuntu/ saucy/main smartmontools amd64 6.1+svn3812-1
  404  Not Found [IP: 91.189.91.13 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/p/postfix/postfix_2.10.2-1_amd64.deb  404  Not Found [IP: 91.189.91.13 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/b/bsd-mailx/bsd-mailx_8.1.2-0.20111106cvs-1ubuntu1_amd64.deb  404  Not Found [IP: 91.189.91.13 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/c/configobj/python-configobj_4.7.2+ds-5_all.deb  404  Not Found [IP: 91.189.91.13 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/p/pastebinit/pastebinit_1.3-4ubuntu1_all.deb  404  Not Found [IP: 91.189.91.13 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/s/smartmontools/smartmontools_6.1+svn3812-1_amd64.deb  404  Not Found [IP: 91.189.91.13 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
ubuntu@ubuntu:~$