Ubuntu 18.04 network setting

Fixed IP Address

Put under directory ‘/etc/netplan/’.

example; 50-cloud-init.yaml

network:
    ethernets:
        enp2s0:
            dhcp4: no
            dhcp6: no
            addresses: [192.168.1.20/24]
            gateway4: 192.168.1.1
            nameservers:
                    addresses: [192.168.1.1]
#if use static route
            routes:
            - to: 192.168.11.0/24
                via: 192.168.1.254
    version: 2

Proxy used

edit /etc/environment

example; LAN

http_proxy="http://192.168.1.1:8080/"
https_proxy="http://192.168.1.1:8080/"
no_proxy=localhost,127.0.0.1,192.168.0.0/16

 

example; external proxy

http_proxy="http://[user:password@]host.xxxx.net:8080/"
https_proxy="http://[user:password@]host.xxxx.net:8080/"
no_proxy=localhost,127.0.0.1,192.168.0.0/16