apt-get이 파일을 검색할 수 없습니다

apt-getLinux Mint 호스트에 루트로 패키지를 설치 하려고 합니다 .

# apt-get install gparted
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libgtkmm-2.4-1c2a
Suggested packages:
  xfsprogs reiserfsprogs reiser4progs jfsutils kpartx dmraid gpart
The following NEW packages will be installed:
  gparted libgtkmm-2.4-1c2a
0 upgraded, 2 newly installed, 0 to remove and 343 not upgraded.
Need to get 1,557 kB of archives.
After this operation, 5,870 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
WARNING: The following packages cannot be authenticated!
  libgtkmm-2.4-1c2a gparted
Install these packages without verification [y/N]? Y
Err http://archive.ubuntu.com/ubuntu/ oneiric/main libgtkmm-2.4-1c2a i386 1:2.24.2-1
  404  Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com/ubuntu/ oneiric/main gparted i386 0.8.1-1ubuntu4
  404  Not Found [IP: 91.189.92.201 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/g/gtkmm2.4/libgtkmm-2.4-1c2a_2.24.2-1_i386.deb  404  Not Found [IP: 91.189.92.201 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/g/gparted/gparted_0.8.1-1ubuntu4_i386.deb  404  Not Found [IP: 91.189.92.201 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

보시다시피 apt-get파일을 얻을 수 없습니다. 네트워크 연결을 확인했습니다. pingapt-get이 파일을 가져올 수 없는 호스트에 액세스할 수 있습니다 .

# ping 91.189.92.201
PING 91.189.92.201 (91.189.92.201) 56(84) bytes of data.
64 bytes from 91.189.92.201: icmp_req=1 ttl=128 time=51.4 ms

또한 시도했지만 apt-get update성공 --fix-missing하지 못했습니다. 이 문제를 해결하는 방법을 아시나요?