How To Install cu on Fedora 34

cu is call up another system

Introduction

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

What is cu

The cu command is used to call up another system and act as a dial-in terminal (mostly on a serial line). It can also do simple file transfers with no error checking. cu is part of the UUCP source but has been split into its own package because it can be useful even if you do not do uucp.

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

Install cu 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 cu using dnf by running the following command:

sudo dnf -y install cu

Install cu 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 cu using yum by running the following command:

sudo yum -y install cu

How To Uninstall cu on Fedora 34

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

sudo dnf remove cu

cu Package Contents on Fedora 34

/usr/bin/cu
/usr/lib/.build-id
/usr/lib/.build-id/6d
/usr/lib/.build-id/6d/eb46f3ab6a9e4cf60fb2277e6ecf395e2cac1d
/usr/share/doc/cu
/usr/share/doc/cu/COPYING
/usr/share/doc/cu/ChangeLog
/usr/share/doc/cu/NEWS
/usr/share/doc/cu/README
/usr/share/doc/cu/TODO
/usr/share/man/man1/cu.1.gz

References

Summary

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