无法升级到 Ubuntu 18.04：无法获取 http://np.archive.ubuntu.com/ubuntu/dists/bionic/universe/dep11/icons-64x64.tar.gz

Question

尝试升级到 ubuntu 18.04 LTS 时出现此错误

E: Failed to fetch http://np.archive.ubuntu.com/ubuntu/dists/bionic/universe/dep11/icons-64x64.tar.gz
  Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.

Answer 1

您需要删除/var/lib/apt/lists directory:. 尝试结合这两个命令：

sudo rm -rf /var/lib/apt/lists/*

进而

sudo apt-get update

这应该有效。