How To Install glfer on Ubuntu 20.04
Introduction
In this tutorial we learn how to install glfer
on Ubuntu 20.04.
What is glfer
glfer is:
Glfer is composed of two main parts: a spectrogram window, where you can see the spectrum of the received signal vs. time and transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes.
There are three methods to install glfer
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 glfer Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install glfer
using apt-get
by running the following command:
sudo apt-get -y install glfer
Install glfer Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install glfer
using apt
by running the following command:
sudo apt -y install glfer
Install glfer 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 glfer
using aptitude
by running the following command:
sudo aptitude -y install glfer
How To Uninstall glfer on Ubuntu 20.04
To uninstall only the glfer
package we can use the following command:
sudo apt-get remove glfer
Uninstall glfer And Its Dependencies
To uninstall glfer
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove glfer
Remove glfer Configurations and Data
To remove glfer
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge glfer
Remove glfer configuration, data, and all of its dependencies
We can use the following command to remove glfer
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge glfer
References
Summary
In this tutorial we learn how to install glfer
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.