无法在Ubuntu 14.04 LTS（Trusty Tahr）上获取更新
在Ubuntu 14.04 LTS（Trusty Tahr）上运行更新时。 遇到以下错误：
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-amd64/Packages Hash Sum mismatch W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-amd64/Packages Hash Sum mismatch W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-i386/Packages Hash Sum mismatch W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-i386/Packages Hash Sum mismatch W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-i386/Packages Hash Sum mismatch W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/i18n/Translation-en Hash Sum mismatch W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/i18n/Translation-en Hash Sum mismatch E: Some index files failed to download. They have been ignored, or old ones used instead. 使用的命令：
sudo apt-get update
在终端中输入以下命令：
sudo rm -vf /var/lib/apt/lists/* sudo apt-get update