Ask Ubuntu Asked by ziro_axis on November 11, 2021
when inserting the USB GSM modem Huawei K3565, the network manager recognize it and i’m able to activate it from the network manage, but when runin the minicom it says:
minicom: cannot open /dev/modem: no such file or directory
but when executing the command:
# wvdialconf /etc/wvdial.conf
the result
#found modem on /dev/ttyUSB0
what i’m missing or what is the problem
If you get:
minicom: cannot open /dev/modem: No such file or directory
Link /dev/modem to your serial port device. For COM1, this is usually /dev/ttyS0:
ln -s /dev/ttyS0 /dev/modem
That could solve it.
Answered by Billy Vejo on November 11, 2021
Your problem is:
minicom: cannot open /dev/modem
found modem on /dev/ttyUSB0
/dev/modem is not the same as /dev/ttyUSB0. Your modem is device /dev/ttyUSB0. Minicom is failing because it is trying to open /dev/modem/. Change the device in the minicom settings or run:
minicom -D /dev/ttyUSB0
A more creative solution would be to add a udev rule that creates the /dev/modem symlink automatically. Create /etc/udev/rules.d/95-usb-modem.rules
SUBSYSTEM=="tty", ATTRS{idVendor}=="12d0", ATTRS{idProduct}=="1001", SYMLINK+="modem"
Replace the 12d0 and 1001 with the vendor:product for your modem from lsusb
Answered by bain on November 11, 2021
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