Common network settings
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Common network settings

A majority of connection settings can be changed from within the Network Settings section of System Settings. To access the Network Settings, go to KMenuSystem Settings and then select Network Settings at the lower left of the window.

No matter the connection you are using, the network settings will usually be configured the same. Most users are probably familiar with Windows networking and seeing terms such as IP address, gateway address, netmask address, and DNS addresses. They are still the same in Kubuntu however there are two extra settings that are common with Linux systems, network address and broadcast address however these extra settings are not necessary for basic home networking and connecting to the Internet.

Please select from the following to get a brief introduction to each settings.

Пример 1. Kubuntu Network Interface Setting

# eth0 is set to automatically receive its address (DHCP)
auto eth0
iface eth0 inet dhcp

# eth1 is setting its own address (static)
auto eth1
iface eth1 inet static
    address 192.168.1.100
    netmask 255.255.255.0
    network 192.168.1.0
    broadcast 192.168.0.255
    gateway 192.168.1.1

IP Address

An IP address is a unique identifier, commonly known as the computer's address, that is used in communicating between other computers on a network and the Internet. There are two versions of IP addressing, IPv4 which is the most widely used and the oldest, and IPv6 which is newer. IPv6 was created to cure the fact the world was running out of IP addresses.

Пример 2. IPv4 IP address

  • 192.168.1.100

  • 10.0.0.100

  • 63.184.200.19


Пример 3. IPv6 IP address

  • E3D7:0000:0000:0000:51F4:9BC8:C0A8:6420

  • E3D7::51F4:9BC8:C0A8:6420


Gateway IP Address

A gateway address is also known as the default gateway. The gateway serves as an access point to another network and a majority of the times would be your service provider in order to gain access to the Internet. A gateway IP address looks the same as an IP address.

Netmask

A netmask address, or subnet mask, is an address that allows the splitting of a large network into small subnetworks.

DNS IP Address

DNS (Domain Name System) translates domain names as well as computer hostnames to IP addresses. This is the system that will translate www.kubuntu.org into the websites actual IP address.

Host name

The host name is the physical, unique name of your computer. A valid hostname consists of ASCII letters "a" through "z", digits "0" through "9", and the hyphen (-). It can consist of any combination of the previous allowed characters.

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