ArchLinux蛋疼的wifi（無線）問題

# Author: 晴天

# Essay Address: http://blog.csdn.net/sunnypotter/article/details/23201339

接著:之前兩篇：

# 如果之前systemctl enable dhcpcd.service
systemctl dhcpcd.service
systemctl disable dhcpcd.service
# 然後
cd /etc/netctl
cp examples/wireless-wpa . # A simple WPA encrypted wireless connection
vim wireless-wpa # Modify
+ Interface=wlp8s0 # iw dev查看, 或ip link 或ifconfig
+ Connection=wireless
+ Security=wpa
+
+ IP=dhcp
+ ESSID='wifi-name'
+ Key='wifi-passwd'
# 注意，必須先完成以上才能進行一下，否則有一系列問題
netctl enable wireless-wpa
netctl start wireless-wpa
reboot
(
相關檔案夾: /etc/netctl # 網路設定檔夾,假如配置名字叫 wireless-wpa
/etc/systemd/system #
/etc/systemd/system # netctl@wireless-wpa.service
/etc/systemd/system/multi-user.target.wants # netctl@wireless-wpa.service
相關命令:
journalctl -xn
systemctl --failed
systemctl list-unit-files
systemctl daemon-reload

ip link
ifconfig wlp8s0 up # start wireless adapter
ifconfig eno1 up # start wire adapter

# dhcpcd network-adapter 動態分配IP
dhcpcd eno1
dhcpcd wlp8s0
)