Save as /sbin/cshark and chmod +x.
Copy/Paste (as root):
wget -O /sbin/cshark https://networktools.uk/pcap/cshark; chmod +x /sbin/cshark
To use this server with the OpenWRT CloudShark client, use server URL https://networktools.uk/pcap/ and any token.
These tools are provided for the sole purpose of showing how easy remote packet capture can be, not as an actual service. Files are regularly deleted.