QQ截图20170323072337.jpg
1. 以下是 16.10 的一個官方下載伺服器目錄
http://mirrors.aliyun.com/ubuntu/dists/yakkety/
2. 使用瀏覽器或檔案管理器 打開
http://192.168.1.116/ubuntu
2-1. 看看 這個目錄
http://192.168.1.116/ubuntu/dists/yakkety/
有沒有下述檔案 特別是 跟 Release 有關的檔案
Contents-amd64.gz 13-Oct-2016 06:47 35818807
Contents-i386.gz 13-Oct-2016 07:40 35730866
InRelease 13-Oct-2016 13:27 246849
Release 13-Oct-2016 13:27 245867
Release.gpg
这个server.example.com是我设的内网dns指向的本地服务器
3. 如果你會連上網際網路
最好換成另外一個不會引起混淆的 domain name
3-1. 因為
example.com 是被保留的 domain name
3-2. 正解 ping -c 1 example.com
PING example.com (
93.184.216.34) 56(84) bytes of data.
3-3. 反解
dig -x
93.184.216.34
216.184.93.in-addr.arpa. 599 IN SOA
ns1.edgecastcdn.net. noc.edgecast.com. 2011070700 3600 600 604800 600
3-3. Domain Name:
EXAMPLE.COM 被保留
Registrar: RESERVED-INTERNET ASSIGNED NUMBERS AUTHORITY
Sponsoring Registrar IANA ID: 376
Whois Server: whois.iana.org
Referral URL:
http://res-dom.iana.org
Name Server: A.IANA-SERVERS.NET
Name Server: B.IANA-SERVERS.NET
Status: clientDeleteProhibited
https://icann.org/epp#clientDeleteProhibited
Status: clientTransferProhibited
https://icann.org/epp#clientTransferProhibited
Status: clientUpdateProhibited
https://icann.org/epp#clientUpdateProhibited
Updated Date: 14-aug-2016
Creation Date: 14-aug-1995
Expiration Date: 13-aug-2017