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Until two days before today my Ubuntu 10.10 Server updated fine.

The output of sudo aptitude update → http://codepad.org/tkvXq66j

The output of sudo aptitude update after replacing the Ubuntu Central Archive's domain with the IP → http://codepad.org/QkgRhY8E

APT sources → http://codepad.org/yh6E9TAe

Hosts → http://codepad.org/yODoWbHp

/etc/resolv.conf → http://codepad.org/Cba5kaEt

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  • This is better suited for serverfault.com. Can you connect to the internet? What are the results of ping http://example.com and curl http://example.com?
    – Lekensteyn
    Commented Jan 15, 2011 at 11:01
  • @Lekensteyn: Yes, -every- other Internet-requiring functions correctly. "ping: unknown host archive.ubuntu.com". I don't have curl installed, and due to this issue I can't install it via APT.
    – rautamiekka
    Commented Jan 15, 2011 at 11:27
  • If ping 8.8.8.8 works, it's a DNS issue. Otherwise, it's a problem in your network configuration. How can you run commands if you've no Internet connectivity?
    – Lekensteyn
    Commented Jan 15, 2011 at 13:08
  • @Lekensteyn: It's an oldie laptop on my LAN that I SSH into via PuTTY :D
    – rautamiekka
    Commented Jan 15, 2011 at 14:32

1 Answer 1

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Your network configuraton is broken. If you are using a static IP you must manually add the DNS servers to /etc/resolv.conf . For example, to use google public dns service, append the following lines to the file.

nameserver 8.8.8.8
nameserver 8.8.4.4

I am assuming that your IP network is properly configured and you can ping those IPs .

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  • Thank you, that fixed it ! Yes, my network has DHCP Server in the modem/router but computers are given static IP.
    – rautamiekka
    Commented Jan 15, 2011 at 14:42
  • It's actually better to use your ISP's DNS servers rather than Google's. For example, you'll most likely get better routing to things like Akamai's network by using your ISP's DNS.
    – Ben Williams
    Commented Jan 18, 2011 at 1:26

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