Raspberry Pi 4 – Preventing WiFi module to go to sleep mode

The following small article will show how to prevent, also after a reboot, to have the WiFi connection in sleeping mode after a while on Raspberry Pi 4. This is quite useful if you establish, for example, a server role on Raspberry Pi 4 and the only connection used, in a LAN environment, is by using WiFi technology and not wired Ethernet. Read More …

Differences between Baseband and Broadband

Both baseband and broadband describe how data is transmitted between two nodes. Baseband technology transmits a single data signal/stream/channel at a time while broadband technology transmits multiple data signals/streams/channels simultaneously at the same time. Read More …

Unable to resolve host {hostname}: Name or service not known (Linux)

The “Unable to resolve host” on Linux systems, while using sudo or apt-get on Terminal or on headless configurations could be annoying. The fix for this kind of scenario is simple and involves the system hostname. Read More …