Introducing Tailscale, a cloud VPN service that can be used even from a Raspberry Pi!
Tailscale, a super easy VPN service that is free to use on Raspi.
Summary of how to command a USB-connected webcam in CM5
The camera module that can be directly connected to the Raspberry Pi via a CSI connection can be used with the rpicam-still command, but a USB-connected webcam cannot.
Make Raspi a file server!
Samba File Sharing Guide on Raspberry Pi OS
With the Samba service, Raspi CM4/5 can become a file server that can be accessed from both Windows and macOS.
As it functions as a server, files can be accessed from several client PCs at the same time.