我在明显有防火墙的公司网络中使用 Ubuntu 12.04、64 位虚拟机。当我尝试运行 sudo apt-get update 或 sudo apt-get update --fix-missing 时，我收到此错误：
（假设在 _ubuntu 之前使用 archive.ubuntu.com）
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/_ubuntu_dists_precise_main_source_Sources Hash Sum mismatch
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/_ubuntu_dists_precise_multiverse_source_Sources Hash Sum mismatch
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/_ubuntu_dists_precise_universe_source_Sources Hash Sum mismatch
W: Failed to fetch bzip2:/var/lib/apt/lists/partial
/_ubuntu_dists_precise_main_binary-amd64_Packages Hash Sum mismatch
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/_ubuntu_dists_precise_restricted_binary-i386_Packages Hash Sum mismatch
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/_ubuntu_dists_precise_multiverse_binary-i386_Packages Hash Sum mismatch
W: Failed to fetch bzip2:/var/lib/apt/lists/partial/_ubuntu_dists_precise_universe_binary-i386_Packages Hash Sum mismatch
W: Failed to fetch /ubuntu/dists/precise/main/i18n/Index No …FreeRDP可以配置为服务器吗？也就是说，我可以在服务器上运行的 Ubunutu VM 中安装 freeRDP 并从 Windows 远程桌面客户端远程连接到它吗？
谢谢