Use dmidecode command in Terminal to easily find your PC's serial number on Linux. If dmidecode doesn't work, try updating it using the dnf package manager command. Alternative commands like ...

This has always meant needing a PC loaded with your favorite serial terminal program close at hand. Most of the time this is not an issue, because the PC is used to compile the code and program ...

DB (D-Sub) Connectors and COM Ports A serial port on a PC is a male 9-pin connector (DE-9 D-sub). Early PCs had two 9-pin connectors or one 9-pin and one 25-pin (DB-25). On a PC, serial ports are ...