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Διαμόρφωση Στατικής IP Διεύθυνσης στον Ubuntu 17.10 Server

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Ubuntu 17.10 network configuration is completely changed. Have you heard of NetPlan? Probably not, but if you have, then you’re a step ahead of many. NetPlan is a new network configuration tool introduced in Ubuntu 17.10 to manage network settings.

It can be used by writing a simple YAML description of the required network interfaces with what they should be configured to do; and it will generate the required configuration for a chosen renderer tool.

This new tool replaces the static interfaces (/etc/network/interfaces) file that had previously been used to configure Ubuntu network interfaces. Now you must use /etc/netplan/*.yaml to configure Ubuntu interfaces.

This brief tutorial is going to show students and new users how to use NetPlan to set a static IP address on Ubuntu servers. This should be easy and quick.

The new interfaces configuration file now live in the /etc/netplan directory. A file called 01-netcfg.yaml is used to configured the first interface. Below is the default configuration for a interface using DHCP.

 
 
# This file describes the network interfaces available on your system 
# For more information, see netplan(5). 
network: 
   version: 2 
   renderer: networkd 
   ethernets: 
     ens33: 
       dhcp4: yes 
       dhcp6: yes

To save your changes, you run the commands below.

sudo netplan apply

Configuring Static IP Addresses

To configure a static IP address using the new NetPlan tool, the file should look like this: IPv4 address (192.168.1.2), Gateway (192.168.1.1), DNS Servers (8.8.8.8,8.8.4.4)

 
 
# This file describes the network interfaces available on your system 
# For more information, see netplan(5). 
network: 
   version: 2 
   renderer: networkd 
   ethernets: 
      ens33: 
        dhcp4: no 
        dhcp6: no 
        addresses: [192.168.1.2/24]
        gateway4: 192.168.1.1 
        nameservers: 
        addresses: [8.8.8.8,8.8.4.4]

Exit and save your changes by running the commands below

sudo netplan apply

You can add IPv6 addresses line, separated by a comma.. example below.

 
 
# This file describes the network interfaces available on your system 
# For more information, see netplan(5). 
network: 
 version: 2 
 renderer: networkd 
 ethernets: 
    ens33: 
    dhcp4: no 
    dhcp6: no 
      addresses: [192.168.1.2/24, '2001:1::2/64']
      gateway4: 192.168.1.1 
      nameservers: 
      addresses: [8.8.8.8,8.8.4.4]

Save your changes, apply and you’re done.

This is how to set static IP addresses on Ubuntu 17.10.

For more about NetPlay, visit this site.

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