For years, dhcpcd was the default networking service for Raspberry Pi OS. If you are running a legacy project on a Pi 2, dhcpcd-6.8.2 is likely the engine ensuring your Pi connects to your router upon boot. 2. Embedded Linux & Yocto
dhcpcd (DHCP client daemon) is a lightweight, reliable DHCP client and network configuration daemon commonly used on Linux-based embedded systems and single-board computers (Raspberry Pi, BeagleBone, etc.). Version 6.8.2 is a stable maintenance release; here I summarize what’s relevant for armv7l deployments, give practical setup examples, troubleshooting tips, and security considerations. dhcpcd-6.8.2-armv7l
The suffix specifically targets:
# Run in foreground with debug output dhcpcd -d -f /etc/dhcpcd.conf eth0 For years, dhcpcd was the default networking service