ラズパイを固定IP化するときは手持ちのルーターでDHCP固定割当をする[raspi]
LAN(ローカル)環境でラズパイを使うときは，ルーターで設定をおこなうことでIPの固定化ができる．
Buffaloのルーターでのやりかた
192.168.11.1を打ち込む
JessieのRaspiでの設定
/etc/dhcpcd.conf をvimなどで開く
以下の内容を追記
interface wlan0 static ip_address=192.168.11.40/24 static routers=192.168.11.1 static domain_name_servers=192.168.11.1
Ubuntu18での設定
sudo vim /etc/netplan/50-cloud-init.yaml
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
version: 2
ethernets:
eth0:
dhcp4: true
match:
macaddress: b8:27:eb:33:39:36
set-name: eth0
addresses: [192.168.11.19/24]
gateway4: 192.168.11.1
nameservers:
addresses: [192.168.11.1]
search: []
optional: true