我最近刚刚在带有 Windows 7（64 位）主机的 Virtual Box 上安装了 Kali Linux 2.0（64 位）。我对 apt-get 有问题，这里的简单问题是，我该如何解决？
不幸的是，运行：“apt-get update”，返回错误信息如下：
（如果你看到一些不太正确的东西，我只是手动输入，因为我无法让桥接剪贴板工作。）
root@kali~# apt-get update
0% [Connecting to http.kali.org (192.99.200.113)}]
“0%”消息会在那里停留 30 秒，然后在错误消息出现后消失。
Err http://http.kali.org sana InRelease
Err http://http.kali.org sana/updates InRelease
Err http://http.kali.org sna Release.gpg
Unable to connect to http.kali.org:http:
Segmentation fault
Reading package lists... Done
W: Failed to fetch http://http.kai.org/kali/dists/sana/InRelease
W: Failed to fetch http://http.kali.org/kalisecurity/dists/sana/updates/InRelease
W: Faied to fetch http://http.kali.org/kali/dists/sana/Release.gpg
Unable to connect to http.kali.org:http:
W: Some index files failed to download. They have been …