How To Install libqjson-dev on Debian 9
Introduction
In this tutorial we learn how to install libqjson-dev
on Debian 9.
What is libqjson-dev
libqjson-dev is:
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It can represent integers, real numbers, strings, an ordered sequence of values, and a collection of name/value pairs.
QJson is a Qt-based library that maps JSON data to QVariant objects: JSON arrays will be mapped to QVariantList instances, while JSON objects will be mapped to QVariantMap.
These are the development files.
There are three methods to install libqjson-dev
on Debian 9. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install libqjson-dev Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install libqjson-dev
using apt-get
by running the following command:
sudo apt-get -y install libqjson-dev
Install libqjson-dev Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install libqjson-dev
using apt
by running the following command:
sudo apt -y install libqjson-dev
Install libqjson-dev 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 Debian. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install libqjson-dev
using aptitude
by running the following command:
sudo aptitude -y install libqjson-dev
How To Uninstall libqjson-dev on Debian 9
To uninstall only the libqjson-dev
package we can use the following command:
sudo apt-get remove libqjson-dev
Uninstall libqjson-dev And Its Dependencies
To uninstall libqjson-dev
and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove libqjson-dev
Remove libqjson-dev Configurations and Data
To remove libqjson-dev
configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge libqjson-dev
Remove libqjson-dev configuration, data, and all of its dependencies
We can use the following command to remove libqjson-dev
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libqjson-dev
Dependencies
libqjson-dev have the following dependencies:
References
Summary
In this tutorial we learn how to install libqjson-dev
package on Debian 9 using different package management tools: apt
, apt-get
and aptitude
.