A A note on sudo

Raspberry Pi OS (and previously Raspbian) allows the default user to run sudo without a password. This is not true for other Linux distributions, such as Ubuntu. This could lead to a password prompt when using scripts such as sr and ws-indicate. As nodes are designed to run autonomously, the installation process for ws-node will configure these scripts to not require a sudo password.

In some installations (generally where the devices are managed by organisations) the sudo group will not be present. To allow running without a password the file /etc/sudoers.d/ws can be renamed (to avoid changes being undone if ws-node is re-installed) and the %sudo group modified to an appropriate group present on the system.