That system of getting things running at boot time was retired with Raspbian Stretch. Use a systemd service. It's easier and better supported. You should also upgrade the OS on every RPi to Raspbian Buster. Thank you very much for the reply and advice, I updated Raspbian Buster and I also used the ...

hellooo... Greetings to all and excuse me if the issue does not merit posting it here, in that case I ask you please to collaborate with me where I could do it. I want to connect to the internet through a USB modem, for which I am using "wvdial" and every time I start my raspberry it connects to the...

Buenas... Un saludo a todos y disculpen si el tema no amerita a postearlo por aquí, en ese caso les pido por favor que me colaboren donde podría hacerlo. Quiero conectarme a internet mediante un modem USB, para lo cual estoy usando "wvdial" y cada que arranque mi raspberry se conecte de inmediato a ...

Hello to everyone..
I have a Raspberry pi 3b + and I want to connect it to the Internet using a 4g USB modem ... Any tools so I can do it?
If you can help me with any info, I will thank you very much.