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6
votes
5answers
5k views

How to run long time process on Udev event?

I want to run a ppp connection when my USB modem is connected, so I use this udev rule: ACTION=="add", SUBSYSTEM=="tty", ATTRS{idVendor}=="16d8",\ RUN+="/usr/local/bin/newPPP.sh $env{DEVNAME}" (...
1
vote
1answer
628 views

3G connection with wvdial gets no IP, exits with code 16

I am trying to establish a 3G connection with Raspbian, a 3G USB dongle, usb_modeswitch and wvdial. I followed this tutorial which has worked well before with a different 3G dongle. My 3G dongle is a ...
1
vote
1answer
754 views

How to send AT commands to modem once the connection is established?

I have a zte 3g modem. I use carrier provided dialer for connection establishment. Once the ppp connection is active, i would like to send some AT commands(for ex. Query signal strength, AT+CSQ). But ...
6
votes
5answers
8k views

/etc/resolv.conf changes during reboot

My ISP asked me to use custom nameserver settings. I have placed these in /etc/resolv.conf. Unfortunately, every time I reboot the computer, the contents of this file is changed. To connect to the ...