How To Install lcd4linux on Fedora 34

lcd4linux is Display system state on an external LCD display

Introduction

In this tutorial we learn how to install lcd4linux on Fedora 34.

What is lcd4linux

LCD4Linux is a small program that grabs information from the kernel and some subsystems and displays it on an external liquid crystal display.

We can use yum or dnf to install lcd4linux on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install lcd4linux.

Install lcd4linux 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 lcd4linux using dnf by running the following command:

sudo dnf -y install lcd4linux

Install lcd4linux 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 lcd4linux using yum by running the following command:

sudo yum -y install lcd4linux

How To Uninstall lcd4linux on Fedora 34

To uninstall only the lcd4linux package we can use the following command:

sudo dnf remove lcd4linux

lcd4linux Package Contents on Fedora 34

/etc/lcd4X11.conf
/usr/bin/lcd4X11
/usr/bin/lcd4linux
/usr/lib/.build-id
/usr/lib/.build-id/32
/usr/lib/.build-id/32/c9d3c15eafa89173b6c7299d24dd06af3e9970
/usr/share/applications/lcd4X11.desktop
/usr/share/doc/lcd4linux
/usr/share/doc/lcd4linux/COPYING
/usr/share/doc/lcd4linux/ChangeLog
/usr/share/doc/lcd4linux/README.fedora
/usr/share/doc/lcd4linux/lcd4linux.conf.sample
/usr/share/man/man8/lcd4linux.8.gz
/usr/share/pixmaps/lcd4linux.xpm

References

Summary

In this tutorial we learn how to install lcd4linux on Fedora 34 using yum and dnf.