【Mac】指令開關wifi - lan

vim ~/.zshrc

# networksetup -listallhardwareports 查詢介面

export ETH_IF="en0"    # 實體網卡
export WIFI_IF="en1"   # Wi-Fi

net_to_wifi() {
  sudo ifconfig "$ETH_IF" down
  sudo networksetup -setairportpower "$WIFI_IF" on
  sudo dscacheutil -flushcache
  sudo killall -HUP mDNSResponder
}

net_to_lan() {
  sudo ifconfig "$ETH_IF" up
  sudo networksetup -setairportpower "$WIFI_IF" off
  sudo dscacheutil -flushcache
  sudo killall -HUP mDNSResponder
}

alias towifi='net_to_wifi'
alias tolan='net_to_lan'

source ./zshrc