use PPPoEConf to connect to Internet
It’s quite simple in ubuntu. Just simply type: $ sudo pppoeconf then flow the instruction.
see 使用 PPPoEConf 連接 Internet for a step-by-step tutorial.
config DHCP in ubuntu
in ubuntu it’s all in the /etc/network/interfaces config file.
$ sudo vi /etc/network/interfaces
DHCP
auto eth0
iface eth0 inet dhcp
Static IP
auto eth0
iface eth0 inet static
address 192.168.1.100
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.1
Then restart the network
$ sudo /etc/init.d/networking restart
see 使用 DHCP 連接網絡或 Internet for detail.
