树莓派3配置Twilio调制解调器遇sudo: pon: command not found错误求助

Hey there, let's tackle this pon: command not found issue you're hitting on your Raspberry Pi 3! The pon command is part of the PPP (Point-to-Point Protocol) toolset, which isn't pre-installed on some Raspberry Pi OS images. Here's how to fix this and get your Twilio modem up and running:

Step 1: Install the PPP package #

First, we need to install the package that provides the pon command. Run these commands in your terminal:

sudo apt update && sudo apt install ppp

This will refresh your package list and install the full PPP toolset, including pon (to start the PPP session) and poff (to disconnect it later).

Step 2: Verify your Twilio PPP configuration #

Once PPP is installed, double-check that your Twilio-specific configuration is in place:

• The config file should live at /etc/ppp/peers/twilio
• Open it with a text editor (like sudo nano /etc/ppp/peers/twilio) and confirm it includes:
  • The correct modem device path (e.g., /dev/ttyUSB0 or /dev/ttyACM0—this depends on how your Huawei modem is recognized)
  • Twilio's required APN setting (wireless.twilio.com)

Step 3: Test the connection again #

Now try running the command once more:

sudo pon twilio

If it connects successfully, you can confirm the active cellular connection with ip addr show ppp0 (or ifconfig ppp0 on older OS versions) to check if an IP address has been assigned.

Step 4: Troubleshoot further if needed #

If you still run into issues, use the plog command (included with the PPP package) to pull detailed session logs:

plog

This will show error messages that can help diagnose problems like modem communication failures or incorrect APN settings.

内容的提问来源于stack exchange，提问作者Alon