我只是在sudo apt-get updateinput，我得到以下错误：
Err http://de.archive.ubuntu.com natty InRelease Err http://security.ubuntu.com natty-security InRelease Err http://de.archive.ubuntu.com natty-updates InRelease Err http://security.ubuntu.com natty-security Release.gpg Temporary failure resolving 'security.ubuntu.com' Err http://de.archive.ubuntu.com natty Release.gpg Temporary failure resolving 'de.archive.ubuntu.com' Err http://de.archive.ubuntu.com natty-updates Release.gpg Temporary failure resolving 'de.archive.ubuntu.com' Reading package lists... Done W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/natty/InRelease W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/natty-updates/InRelease W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/natty-security/InRelease W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/natty/Release.gpg Temporary failure resolving 'de.archive.ubuntu.com' W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/natty-security/Release.gpg Temporary failure resolving 'security.ubuntu.com' W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/natty-updates/Release.gpg Temporary failure resolving 'de.archive.ubuntu.com' W: Some index files failed to download. They have been ignored, or old ones used instead.
临时失败解决“de.archive.ubuntu.com”
这是一个DNS问题的指示。 确保您的DNS服务器在客户端上正确设置，并确认服务器实际上正常工作。