Configuration files goes here:
/etc/NetworkManager/system-connections/
Default config:
$ sudo NetworkManager --print-config
Creating/modify new connection:
Add:
nmcli connection add type <con-type> <device> con-name <con-name>
nmcli connection add type gsm ifname ttyUSB2 con-name MyModem
Modify:
nmcli connection modify <con-name> ipv4.method manual ipv4.address <IP>/subnet
Wifi enable/disable status
$ nmcli radio
WIFI-HW WIFI WWAN-HW WWAN
enabled enabled enabled enabled
Showing all wifi connections with strengths:
$ nmcli dev wifi list
$nmcli dev
DEVICE TYPE STATE CONNECTION
wlp3s0 wifi connected connection-name
Connecting disconnecting device
$ mcli dev disconnect wlp3s0
$ nmcli dev connect wlp3s0
Connecting to wifi network
$ nmcli dev wifi connect SSID password SSID-PASSWORD ifname wlp3s0
How to change metric:
$ nmcli con mod "Wired connection 2" ipv4.route-metric 99
$ nmcli connection up "Wired connection 2"
To show metric:
$ route -n
Show Connection files:
$ nmcli -f name,device,FILENAME c | less
NetworkManager Configuration
# Debugsudo /usr/sbin/ModemManager --debug $ nmcli con edit MyWorkingConnectionnmcli> set gsm.username data
nmcli> set gsm.password <passwordgoeshere>
nmcli> save
nmcli> quit
# Network Manager add device
sudo nmcli c add type gsm ifname '*' con-name usb0 apn internet
#List modems
mmcli -L
# Query modem
mmcli --modem=0
#Connect to bearer
sudo mmcli -m 0 --simple-connect='apn=internet'
# Show bearer
mmcli --modem=0 --bearer=0
# display informationnmcli d
ip a s usb0
nmcli --colors=yes c
mmcli -L
nmcli -f name,device,filename c
Documentation:
Redhad NetworkStatus Documentation
