The above output provides clues that /dev/ttyS0 mapped to the serial port on the motherboard (which is what you would expect). The /proc/tty/driver/serial file can be invaluable when trying to determine which physical serial port maps to which device entry. In order to get access to all of the available serial ports on this system, the following parameter was added to the kernel parameters line in /boot/grub/nf: If your hardware has more than 4 total serial devices, you will want to add the " 8250.nr_uarts=COUNT" parameter to your boot options in /boot/grub/nf.įor example, a system with one serial port on the motherboard and eight serial ports on a SeaLevel PCI adapter would have a total of nine serial ports available. Serial Devices Enabling More Than 4 Serial Devicesīy default, the Linux kernel that comes with Fedora (and hence the NST) enables 4 serial devices ( /dev/ttyS0, /dev/ttyS1, /dev/ttyS2 and /dev/ttyS3). See Getting Started - Server Boot for setting up a serial console initially during a NST Live boot. This page describes different methods for setting up a serial console post booting up an NST system. 8.2 Known To Work USB to TTL Serial Adapter Converter.
7 Logging in as the 'root' User on a Specific Device.5.2 Serial Console: VMware Workstation (Windows).5.1 Serial Console: VMware Workstation (Linux).5 Serial Console In Virtual Environments.4.4 The ModemManager May Interfere With A USB Serial Port Adapter.4.3 Steps To Add A Custom Serial Login Device: "/dev/ttyS1".4.2 Add An Additional Serial Login Device: /dev/ttyUSB0.4.1 Add A Serial Terminal On Device: /dev/ttyS0.4 Serial Terminal On NST 2.15.0 or Above.3.1 Add Serial Console On Device: /dev/ttyS0.2.1 Enabling More Than 4 Serial Devices.
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