首先:
/etc/apt/source.list的內容是:
- 網易163更新服務器(廣東廣州電信/聯通千兆雙線接入),包含其他開源鏡像:
deb http://mirrors.163.com/ubuntu/ raring main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ raring-security main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ raring-updates main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ raring-proposed main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ raring-backports main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ raring main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ raring-security main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ raring-updates main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ raring-proposed main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ raring-backports main restricted universe multiverse
sudo apt-get update 更新源時候,出現下面的問題:
Something wicked happened resolving 'mirrors.163.com:http' (-5 - No address associated with hostname)
一般是源出現問題,加入官方源就不會了。
- Ubuntu 官方更新服務器(歐洲,此爲官方源,國內較慢,但無同步延遲問題,電信、移動/鐵通、聯通等公網用戶可以使用):
deb http://archive.ubuntu.com/ubuntu/ raring main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-security main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-updates main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-security main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-updates main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse
以下來處:
http://blog.csdn.net/huang_xw/article/details/8710888
- [root@CentOS5 ~]# ping www.sina.com.cn
- ping: unknown host www.sina.com.cn
1) 確定設置了域名服務器
沒有的話, 建議設置Google的公共DNS服務, 它應該不會出問題的- # cat /etc/resolv.conf
- -------------------------------------------------------------------
- nameserver 8.8.8.8
- nameserver 8.8.4.4
- -------------------------------------------------------------------
2) 確保路由表正常
- [root@CentOS5 ~]# netstat -rn
- Kernel IP routing table
- Destination Gateway Genmask Flags MSS Window irtt Iface
- 192.168.128.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
- 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
- 0.0.0.0 192.168.128.2 0.0.0.0 UG 0 0 0 eth0
- # route add default gw 192.168.128.2
3) 確保可用dns解析(這步常忘了)
- # grep hosts /etc/nsswitch.conf
- -------------------------------------------------------------------
- hosts: files dns
- -------------------------------------------------------------------
以下是dns的配置,備忘。
hosts: dns files
表示只在DNS失效時候才使用/etc/hosts文件
hosts: dns
表示只用DNS解析主機
host: files
表示只用/etc/hosts文件解析主機
hosts: files dns
將使用/etc/hosts文件解析主機,表示如果無法解析主機名將使用DNS。
http://gm100861.blog.51cto.com/1930562/895579
- root@Ttpod:~# cat /etc/resolv.conf
- # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
- # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
- root@Ttpod:~#
- root@Ttpod:~# cat /etc/network/interfaces
- # This file describes the network interfaces available on your system
- # and how to activate them. For more information, see interfaces(5).
- # The loopback network interface
- auto lo
- iface lo inet loopback
- # The primary network interface
- auto eth0
- iface eth0 inet static
- address 192.168.0.2
- netmask 255.255.255.0
- gateway 192.168.0.1
- dns-nameservers 192.168.0.1