How To Install proj on CentOS 8

proj is Cartographic projection software (PROJ)

Introduction

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

What is proj

Proj and invproj perform respective forward and inverse transformation of cartographic data to or from cartesian data with a wide range of selectable projection functions.

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

Install proj 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 proj using dnf by running the following command:

sudo dnf -y install proj

Install proj 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 proj using yum by running the following command:

sudo yum -y install proj

How To Uninstall proj on CentOS 8

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

sudo dnf remove proj

proj Package Contents on CentOS 8

/usr/bin/cct
/usr/bin/cs2cs
/usr/bin/geod
/usr/bin/gie
/usr/bin/invgeod
/usr/bin/invproj
/usr/bin/proj
/usr/bin/projinfo
/usr/lib/.build-id
/usr/lib/.build-id/06
/usr/lib/.build-id/06/4337d965552e04a883bc36289058a9dd888a3f
/usr/lib/.build-id/1d
/usr/lib/.build-id/1d/062b9ff0d69792b7e3e728906f1c7c1d314a5f
/usr/lib/.build-id/57
/usr/lib/.build-id/57/084956e766ad905176157c0a51647a7c96c0e4
/usr/lib/.build-id/77
/usr/lib/.build-id/77/e0042e72c3f72426c67f523c00bcf5780f8a43
/usr/lib/.build-id/7f
/usr/lib/.build-id/7f/133a20647aba1f725167f4b9df46fe5cd129ab
/usr/lib/.build-id/ec
/usr/lib/.build-id/ec/a27c39fbae10f34d1bf65d348d7b57991a79b1
/usr/lib/.build-id/ef
/usr/lib/.build-id/ef/660cd1e7c69b3ae15a6475967b2ed0c2e762ab
/usr/lib64/libproj.so.15
/usr/lib64/libproj.so.15.3.2
/usr/share/doc/proj
/usr/share/doc/proj/AUTHORS
/usr/share/doc/proj/ChangeLog
/usr/share/doc/proj/NEWS
/usr/share/doc/proj/README
/usr/share/licenses/proj
/usr/share/licenses/proj/COPYING
/usr/share/man/man1/cct.1.gz
/usr/share/man/man1/cs2cs.1.gz
/usr/share/man/man1/geod.1.gz
/usr/share/man/man1/gie.1.gz
/usr/share/man/man1/proj.1.gz
/usr/share/man/man1/projinfo.1.gz
/usr/share/proj
/usr/share/proj/CH
/usr/share/proj/GL27
/usr/share/proj/ITRF2000
/usr/share/proj/ITRF2008
/usr/share/proj/ITRF2014
/usr/share/proj/nad.lst
/usr/share/proj/nad27
/usr/share/proj/nad83
/usr/share/proj/null
/usr/share/proj/other.extra
/usr/share/proj/proj.db
/usr/share/proj/world

References

Summary

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