gistfile1.txt

root@:~# sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
  linux-headers-generic-lts-raring linux-image-generic-lts-raring
The following packages will be upgraded:
  curl libcurl3 libcurl3-gnutls
3 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
Need to get 601 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Err http://mirrors.digitalocean.com/ubuntu/ precise-security/main libcurl3-gnutls amd64 7.22.0-3ubuntu4.6
  404  Not Found [IP: 198.199.99.226 80]
Err http://mirrors.digitalocean.com/ubuntu/ precise-security/main libcurl3 amd64 7.22.0-3ubuntu4.6
  404  Not Found [IP: 198.199.99.226 80]
Err http://mirrors.digitalocean.com/ubuntu/ precise-security/main curl amd64 7.22.0-3ubuntu4.6
  404  Not Found [IP: 198.199.99.226 80]
Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/c/curl/libcurl3-gnutls_7.22.0-3ubuntu4.6_amd64.deb  404  Not Found [IP: 198.199.99.226 80]
Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/c/curl/libcurl3_7.22.0-3ubuntu4.6_amd64.deb  404  Not Found [IP: 198.199.99.226 80]
Failed to fetch http://mirrors.digitalocean.com/ubuntu/pool/main/c/curl/curl_7.22.0-3ubuntu4.6_amd64.deb  404  Not Found [IP: 198.199.99.226 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?