How To Install read-edid on Ubuntu 20.04

In this tutorial we learn how to install read-edid on Ubuntu 20.04. read-edid is hardware information-gathering tool for VESA PnP monitors

Introduction

In this tutorial we learn how to install read-edid on Ubuntu 20.04.

What is read-edid

read-edid is:

read-edid consists of two tools:

get-edid uses a VESA VBE 2 interrupt service routine request to read a 128 byte EDID version 1 structure from your graphics card, which retrieves this information from the monitor via the Data Display Channel (DDC).

get-edid uses architecture-specific methods for querying the video hardware (real-mode x86 instructions on i386, Open Firmware device tree parsing on PowerMac) and is therefore only available for i386 and powerpc architectures.

parse-edid parses this data structure and outputs data suitable for inclusion into the XFree86 or X.org configuration file. It is available for any architecture.

There are three methods to install read-edid on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install read-edid Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install read-edid using apt-get by running the following command:

sudo apt-get -y install read-edid

Install read-edid Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install read-edid using apt by running the following command:

sudo apt -y install read-edid

Install read-edid Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install read-edid using aptitude by running the following command:

sudo aptitude -y install read-edid

How To Uninstall read-edid on Ubuntu 20.04

To uninstall only the read-edid package we can use the following command:

sudo apt-get remove read-edid

Uninstall read-edid And Its Dependencies

To uninstall read-edid and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove read-edid

Remove read-edid Configurations and Data

To remove read-edid configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge read-edid

Remove read-edid configuration, data, and all of its dependencies

We can use the following command to remove read-edid configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge read-edid

References

Summary

In this tutorial we learn how to install read-edid package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.