How To Install nullmodem on Fedora 34

nullmodem is A utility to loopback pseudo-terminals

Introduction

In this tutorial we learn how to install nullmodem on Fedora 34.

What is nullmodem

nullmodem creates a virtual network of pseudo-terminals. It can be used as an adapter to connect two programs that normally need serial interface cards.

We can use yum or dnf to install nullmodem on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install nullmodem.

Install nullmodem on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install nullmodem using dnf by running the following command:

sudo dnf -y install nullmodem

Install nullmodem on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install nullmodem using yum by running the following command:

sudo yum -y install nullmodem

How To Uninstall nullmodem on Fedora 34

To uninstall only the nullmodem package we can use the following command:

sudo dnf remove nullmodem

nullmodem Package Contents on Fedora 34

/usr/bin/nullmodem
/usr/lib/.build-id
/usr/lib/.build-id/78
/usr/lib/.build-id/78/7dd8df517f7086c7bc2eb5c604b7769283e3bc
/usr/share/doc/nullmodem
/usr/share/doc/nullmodem/AUTHORS
/usr/share/doc/nullmodem/COPYING
/usr/share/doc/nullmodem/ChangeLog
/usr/share/doc/nullmodem/NEWS
/usr/share/doc/nullmodem/README
/usr/share/doc/nullmodem/TODO
/usr/share/doc/nullmodem/html
/usr/share/doc/nullmodem/html/Makefile
/usr/share/doc/nullmodem/html/Makefile.am
/usr/share/doc/nullmodem/html/Makefile.in
/usr/share/doc/nullmodem/html/how.fig
/usr/share/doc/nullmodem/html/how.png
/usr/share/doc/nullmodem/html/index.html
/usr/share/doc/nullmodem/html/index.xml
/usr/share/doc/nullmodem/html/man_nullmodem.html
/usr/share/doc/nullmodem/html/pics
/usr/share/doc/nullmodem/html/pics/Makefile
/usr/share/doc/nullmodem/html/pics/Makefile.am
/usr/share/doc/nullmodem/html/pics/Makefile.in
/usr/share/doc/nullmodem/html/pics/down32.png
/usr/share/doc/nullmodem/html/pics/email32.png
/usr/share/doc/nullmodem/html/pics/home32.png
/usr/share/doc/nullmodem/html/pics/up32.png
/usr/share/doc/nullmodem/html/pics/valid-xhtml11.png
/usr/share/doc/nullmodem/html/schema.fig
/usr/share/doc/nullmodem/html/schema.png
/usr/share/man/man1/nullmodem.1.gz

References

Summary

In this tutorial we learn how to install nullmodem on Fedora 34 using yum and dnf.