Dav*_*huk 6 server apt wireless 13.04
我在使用 2GB 内存和 20GB 空间的 Virtual Box 上安装了Ubuntu 13.04 服务器。它是全新安装的，我无法使用 apt-get 更新。
我已经在Ubuntu 12.10 服务器上尝试过同样的方法，但仍然无法正常工作。
每次我输入 apt-get update 我都会得到
0% [Connecting to ca.archive.ubuntu.com (91.189.92.202)] [Connecting to security.ubuntu.com (91.189.91.15)]
然后挂起大约 20 分钟，然后显示
Err http://security.ubuntu.com raring-security Release.gpg
Cannot initiate the connection to security.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
Err http://ca.archive.ubuntu.com raring Release.gpg
Cannot initiate the connection to ca.archive.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
Err http://ca.archive.ubuntu.com raring-updates Release.gpg
Cannot initiate the connection to ca.archive.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
Err http://ca.archive.ubuntu.com raring-backports Release.gpg
Cannot initiate the connection to ca.archive.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
Reading package lists... Done
W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/dists/raring/Release.gpg Cannot initiate the connection to ca.archive.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/dists/raring-updates/Release.gpg Cannot initiate the connection to ca.archive.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/dists/raring-backports/Release.gpg Cannot initiate the connection to ca.archive.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/Release.gpg Cannot initiate the connection to security.ubuntu.com:80 (2001:67c:1360:8c01::1a). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1a 80]
W: Some index files failed to download. They have been ignored, or old ones used instead.
但是我可以ping服务器上的IP地址和域，我可以在我的主机浏览器上访问它
davidrockin@ubuntu:/etc/apt$ ping -c 2 ca.archive.ubuntu.com
PING ca.archive.ubuntu.com (91.189.91.13) 56(84) bytes of data.
64 bytes from ragana.canonical.com (91.189.91.13): icmp_req=1 ttl=49 time=42.0 ms
64 bytes from ragana.canonical.com (91.189.91.13): icmp_req=2 ttl=49 time=43.3 ms
--- ca.archive.ubuntu.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 42.088/42.742/43.396/0.654 ms
davidrockin@ubuntu:/etc/apt$ ping -c 2 91.189.92.202
PING 91.189.92.202 (91.189.92.202) 56(84) bytes of data.
64 bytes from 91.189.92.202: icmp_req=1 ttl=49 time=101 ms
p64 bytes from 91.189.92.202: icmp_req=2 ttl=49 time=98.9 ms
--- 91.189.92.202 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 98.976/100.335/101.695/1.395 ms
davidrockin@ubuntu:/etc/apt$ ping -c 3 security.ubuntu.com
PING security.ubuntu.com (91.189.91.14) 56(84) bytes of data.
64 bytes from orobas.canonical.com (91.189.91.14): icmp_req=1 ttl=52 time=112 ms
64 bytes from orobas.canonical.com (91.189.91.14): icmp_req=2 ttl=52 time=44.5 ms
^C64 bytes from orobas.canonical.com (91.189.91.14): icmp_req=3 ttl=52 time=41.0 ms
--- security.ubuntu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 41.038/66.103/112.679/32.967 ms
我尝试修改我的/etc/apt/sources.list文件以使用不同的存储库
这是我当前的/etc/apt/sources.list文件，它是安装 Ubuntu 时创建的原始文件。
deb http://ca.archive.ubuntu.com/ubuntu/ raring main restricted
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb http://ca.archive.ubuntu.com/ubuntu/ raring-updates main restricted
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://ca.archive.ubuntu.com/ubuntu/ raring universe
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring universe
deb http://ca.archive.ubuntu.com/ubuntu/ raring-updates universe
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://ca.archive.ubuntu.com/ubuntu/ raring multiverse
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring multiverse
deb http://ca.archive.ubuntu.com/ubuntu/ raring-updates multiverse
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring-updates multiverse
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://ca.archive.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse
deb-src http://ca.archive.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu raring-security main restricted
deb-src http://security.ubuntu.com/ubuntu raring-security main restricted
deb http://security.ubuntu.com/ubuntu raring-security universe
deb-src http://security.ubuntu.com/ubuntu raring-security universe
deb http://security.ubuntu.com/ubuntu raring-security multiverse
deb-src http://security.ubuntu.com/ubuntu raring-security multiverse
我试过重启我的电脑，重新安装我的虚拟机，多次重启我的路由器，修改sources.list，我已经用谷歌搜索了几个小时，但不知道为什么它不起作用。
我还尝试禁用 IPv6 ( http://www.bearfruit.org/2013/05/06/ubuntu-server-have-ipv6-probs-its-easy-to-disable/ )
昨晚我设置了一个 Ubuntu 服务器来测试它，昨晚 apt-get update 工作正常。现在，它不再适用于新的虚拟机。我昨天创建的被删除了，我今天创建的新的不起作用。
我的主机是一台笔记本电脑，我使用的是 wifi，它的规格是
Windows 7
8GB Ram
658 GB HDD (214 GB used)
AMD A8-3520M APU
编辑：我不在代理/vpn 后面，而且我的互联网连接很好。
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