---
name: "ttysrv"
section: "8"
platform: "linux"
package: "remote-tty"
version: "4.0-13.1+b1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/ttysrv"
---

# ttysrv(8)

connect to a serial port and log output

## NAME

ttysrv - connect to a serial port and log output

## SYNOPSIS

**ttysrv** \[-o option\] \[-s sock\] \[-l log\] -t tty \[-b baud\] \[-p parity\] \[-w wordsize\] \[-i pidfile\]

## DESCRIPTION

**ttysrv** is the backend for **rconsole.** It connects to the serial port, handles the log file and waits for connections from rconsole to view what's happening on the serial console.

## OPTIONS

- **-t tty**

  Specify which device to connect to.

- **-s sock**

  The name of the socket to listen for connections from rconsole on.

- **-o option**

  Specify any ttyios options to open the port with. Currently only *nolocal* is supported.

- **-l log**

  The logfile to write to. If not set then no log is kept.

- **-b baud**

  Set the baud rate to talk to the port at. Defaults to 9600.

- **-p parity**

  Set the parity for the serial port. Defaults to none.

- **-w wordsize**

  Set the word size for the serial port. Defaults to 8 bits.

- **-i pidfile**

  The file to write the pid of ttysrv to. If not specified no such file is written.

## SEE ALSO

[**rconsole**(1)](/rconsole/1.md), [**remote-tty**(1)](/remote-tty/1.md).

## AUTHOR

rtty was written by Paul Vixie \<vixie@isc.org\>. This manual page was written by Jonathan McDowell \<noodles@earth.li\> for the Debian project (but may be used by others).