Linux kernel 在基于linux的yocto中使用networkmanager获取internet

Linux kernel 在基于linux的yocto中使用networkmanager获取internet,linux-kernel,embedded-linux,device,yocto,Linux Kernel,Embedded Linux,Device,Yocto,我在基于linux的yocto中安装了modemmanager和networkmanager。但我不能连接互联网 follow commands a below :- 1) systemctl start Networkmanager. 2) systemctl enable Networkmanager. 3) mmcli -L 4) mmcli -m 0 -e 5) nmcli connection edit type gsm con-name "My GPRS Con

我在基于linux的yocto中安装了modemmanager和networkmanager。但我不能连接互联网

 follow commands a below :-
 1) systemctl start Networkmanager.
 2) systemctl enable Networkmanager.
 3) mmcli -L
 4) mmcli -m 0 -e
 5) nmcli connection edit type gsm con-name "My GPRS Connection"
 6) nmcli > set gsm.apn internet
 7) nmcli > save
在networkmanager状态命令中,我没有获得quectel模块的ttyUSB2接口

请帮忙