有線LAN
有線LAN用固定IPの設定
$ sudo cp /etc/network/interfaces{,.orig}
$ sudo vim /etc/network/interfaces
/etc/network/interfaces
auto lo
iface lo inet loopback
iface eth0 inet static
address 192.168.21.41
netmask 255.255.255.0
gateway 192.168.21.1
該当IFの無効・有効化
$ sudo ifdown eth0 && sudo ifup eth0
無線LAN
無線LANクライアントの設定
$ sudo cp /etc/wpa_supplicant/wpa_supplicant.conf{,.orig}
$ wpa_passphrase "RaspiSSID" "RaspiSSIDPW" | sudo tee -a /etc/wpa_supplicant/wpa_supplicant.conf
network={
ssid="RaspiSSID"
#psk="RaspiSSIDPW"
psk=d721085129ab22a68036c3c5cf7d28dab5f9b3de93a8866fe6626d59e811b7f7
}
$ sudo vim /etc/wpa_supplicant/wpa_supplicant.conf
/etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
ssid="RaspiSSID"
scan_ssid=0 # スキャン方法(0:パッシブ、1:アクティブ)
priority=0 # 値が大きいほど優先度が高い(デフォルトは0)
proto=RSN # WPA2はRSNの別名
key_mgmt=WPA-PSK
pairwise=TKIP CCMP
group=CCMP
psk=d721085129ab22a68036c3c5cf7d28dab5f9b3de93a8866fe6626d59e811b7f7
id_str="RaspiConf" # 識別名
}
無線LAN用固定IPの設定
$ sudo cp /etc/network/interfaces{,.orig}
$ sudo vim /etc/network/interfaces
/etc/network/interfaces
auto lo
iface lo inet loopback
iface eth0 inet static
address 192.168.21.41
netmask 255.255.255.0
gateway 192.168.21.1
allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp
iface RaspiConf inet static
address 192.168.21.42
netmask 255.255.255.0
gateway 192.168.21.1
該当IFの無効・有効化
$ sudo ifdown wlan0 && sudo ifup wlan0
リゾルバの設定
$ sudo vim /etc/resolv.conf
$ cat /etc/resolv.conf
nameserver 192.168.21.1
nameserver 192.168.22.1
search example.com example.jp
ホスト名の設定
$ sudo vim /etc/hostname
$ cat /etc/hostname
raspi
$ sudo vim /etc/hosts
$ cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
127.0.1.1 raspi.example.com raspi
192.168.11.41 raspi.example.com raspi
192.168.11.42 raspi.example.com raspi
再起動
$ sudo shutdown -r now
[参考URL]
How-To: WiFi roaming with wpa-supplicant | Debuntu
wpa_supplicant.conf(5)
Gentoo Linux ドキュメント -- 無線ネットワーク
