Ethernet:
- sudo nmcli c add autoconnect yes save yes type ethernet ifname eth0 con-name jeth ip4 192.168.2.210/24 gw4 192.168.2.1
- sudo nmcli c mod jeth ipv4.addresses "192.168.2.210/24"
- sudo nmcli c mod jeth ipv4.gateway 192.168.2.1
- sudo nmcli c mod jeth ipv4.dns 168.95.1.1
- sudo nmcli c mod jeth ipv4.method manual
- sudo nmcli con up jeth
- nmcli connection show
- modify
- sudo nmcli con modify jeth ipv4.address "192.168.1.198/24"
- sudo nmcli con mod jeth ipv4.gateway 192.168.1.201
- sudo nmcli con up jeth
Wifi:
- sudo nmcli con add autoconnect yes save yes con-name jwifi ifname wlan0 type wifi ssid iSSA_ASUS_50_2.4G
- sudo nmcli con mod jwifi wifi-sec.key-mgmt wpa-psk
- sudo nmcli con mod jwifi wifi-sec.psk 54098542
- sudo nmcli con up jwifi (很多秒)
- nmcli connection show
- Modify
- sudo nmcli con mod jwifi wifi.ssid iSSA_ASUS_50_2.4G
- sudo nmcli con mod jwifi wifi-sec.psk 54098542
Extend:
- sudo nmcli c reload jack
- nmcli -p con show my-con-em1
- Example 1. Listing available Wi-Fi APs
- nmcli device wifi list ( Signal Bar)
- nmcli -f all dev wifi list ( All Signal Bar)
- Example 2. Showing general information and properties for a Wi-Fi interface
- nmcli -p -f general,wifi-properties device show wlan0
Renew eth0 connection status, if incorrect:
- nmcli dev | grep "ethernet"
Dispatcher: put in /etc/NetworkManager/dispatcher.d/70-wifi-wired-exclusive.sh
#!/bin/bash
export LC_ALL=C
enable_disable_wifi ()
{
result=$(nmcli dev | grep "ethernet" | grep -w "connected")
if [ -n "$result" ]; then
nmcli radio wifi off
else
nmcli radio wifi on
fi
}
if [ "$2" = "up" ]; then
enable_disable_wifi
fi
if [ "$2" = "down" ]; then
enable_disable_wifi
fi
nmcli dev show eth0|grep CARRIER|tr -s ' '|cut -d ' ' -f2
