How To Install jansson on CentOS 8

jansson is C library for encoding, decoding and manipulating JSON data C library for encoding, decoding and manipulating JSON data

Introduction

In this tutorial we learn how to install jansson on CentOS 8.

What is `jansson`

Small library for parsing and writing JSON documents. jansson 2.11 3.el8 x86_64 46 k jansson-2.11-3.el8.src.rpm baseos C library for encoding, decoding and manipulating JSON data http MIT Small library for parsing and writing JSON documents.

We can use yum or dnf to install jansson on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install jansson.

Install jansson on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install jansson using dnf by running the following command:

sudo dnf -y install jansson

Install jansson on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install jansson using yum by running the following command:

sudo yum -y install jansson

How To Uninstall jansson on CentOS 8

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

sudo dnf remove jansson

jansson Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/96
/usr/lib/.build-id/96/cfd0064dbefb3f0929870654f57df04daa6d51
/usr/lib64/libjansson.so.4
/usr/lib64/libjansson.so.4.11.0
/usr/share/doc/jansson
/usr/share/doc/jansson/CHANGES
/usr/share/doc/jansson/LICENSE
/usr/lib/.build-id
/usr/lib/.build-id/d9
/usr/lib/.build-id/d9/78e769d0d6867609391909ac3148bad0d5e1db
/usr/lib/libjansson.so.4
/usr/lib/libjansson.so.4.11.0
/usr/share/doc/jansson
/usr/share/doc/jansson/CHANGES
/usr/share/doc/jansson/LICENSE

References

[jansson website](http://www.digip.org/jansson/ http://www.digip.org/jansson/)

Summary

In this tutorial we learn how to install jansson on CentOS 8 using yum and dnf.