How To Install jq on CentOS 8

jq is Command-line JSON processor Command-line JSON processor

Introduction

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

What is jq

lightweight and flexible command-line JSON processor jq is like sed for JSON data – you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text. It is written in portable C, and it has zero runtime dependencies. jq can mangle the data format that you have into the one that you want with very little effort, and the program to do so is often shorter and simpler than you’d expect. jq 1.5 12.el8 x86_64 161 k jq-1.5-12.el8.src.rpm appstream Command-line JSON processor http MIT and ASL 2.0 and CC-BY and GPLv3 lightweight and flexible command-line JSON processor jq is like sed for JSON data – you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text. It is written in portable C, and it has zero runtime dependencies. jq can mangle the data format that you have into the one that you want with very little effort, and the program to do so is often shorter and simpler than you’d expect.

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

Install jq 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 jq using dnf by running the following command:

sudo dnf -y install jq

Install jq 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 jq using yum by running the following command:

sudo yum -y install jq

How To Uninstall jq on CentOS 8

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

sudo dnf remove jq

jq Package Contents on CentOS 8

/usr/bin/jq
/usr/lib/.build-id
/usr/lib/.build-id/02
/usr/lib/.build-id/02/780071d95cb59d9e91fae50448a77e2d3b3202
/usr/lib/.build-id/a8
/usr/lib/.build-id/a8/a2c3521a9e4faac4f9330d0a136f940bfde3d2
/usr/lib64/libjq.so.1
/usr/lib64/libjq.so.1.0.4
/usr/share/doc/jq/AUTHORS
/usr/share/doc/jq/COPYING
/usr/share/doc/jq/README
/usr/share/doc/jq/README.md
/usr/share/man/man1/jq.1.gz
/usr/bin/jq
/usr/lib/.build-id
/usr/lib/.build-id/5a
/usr/lib/.build-id/5a/fddf128ae75b3055ee4ef443944f60a5afe2a6
/usr/lib/.build-id/6d
/usr/lib/.build-id/6d/759c60d3cdcc1e587d557c708b149b49427062
/usr/lib/libjq.so.1
/usr/lib/libjq.so.1.0.4
/usr/share/doc/jq/AUTHORS
/usr/share/doc/jq/COPYING
/usr/share/doc/jq/README
/usr/share/doc/jq/README.md
/usr/share/man/man1/jq.1.gz

References

Summary

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