How To Install libappstream4 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libappstream4
on Ubuntu 18.04.
What is libappstream4
libappstream4 is:
AppStream is a metadata specification, allowing to write metadata for software projects in a standardized format. This allows software centers to display useful information for not installed software, as well as determining software the user might want to install (e.g. to open an unknown file type or to make missing firmware available).
This package contains a GObject-based library to access AppStream services, like the software component metadata pool. It also contains functions for reading, writing and transforming AppStream metadata.
There are three methods to install libappstream4
on Ubuntu 18.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install libappstream4 Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install libappstream4
using apt-get
by running the following command:
sudo apt-get -y install libappstream4
Install libappstream4 Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install libappstream4
using apt
by running the following command:
sudo apt -y install libappstream4
Install libappstream4 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 libappstream4
using aptitude
by running the following command:
sudo aptitude -y install libappstream4
How To Uninstall libappstream4 on Ubuntu 18.04
To uninstall only the libappstream4
package we can use the following command:
sudo apt-get remove libappstream4
Uninstall libappstream4 And Its Dependencies
To uninstall libappstream4
and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libappstream4
Remove libappstream4 Configurations and Data
To remove libappstream4
configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libappstream4
Remove libappstream4 configuration, data, and all of its dependencies
We can use the following command to remove libappstream4
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libappstream4
References
Summary
In this tutorial we learn how to install libappstream4
package on Ubuntu 18.04 using different package management tools: apt
, apt-get
and aptitude
.