How To Install flex-devel on CentOS 8

flex-devel is Libraries for flex scanner generator Libraries for flex scanner generator

Introduction

In this tutorial we learn how to install flex-devel on CentOS 8.

What is flex-devel

This package contains the library with default implementations of main' and yywrap’ functions that the client binary can choose to use instead of implementing their own. flex-devel 2.6.1 9.el8 x86_64 23 k flex-2.6.1-9.el8.src.rpm powertools Libraries for flex scanner generator https BSD and LGPLv2+ This package contains the library with default implementations of main' and yywrap’ functions that the client binary can choose to use instead of implementing their own.

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

Install flex-devel 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 flex-devel using dnf by running the following command:

sudo dnf -y install flex-devel

Install flex-devel 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 flex-devel using yum by running the following command:

sudo yum -y install flex-devel

How To Uninstall flex-devel on CentOS 8

To uninstall only the flex-devel package we can use the following command:

sudo dnf remove flex-devel

flex-devel Package Contents on CentOS 8

/usr/lib/libfl.a
/usr/lib/libfl_pic.a
/usr/lib/libl.a
/usr/share/doc/flex
/usr/share/licenses/flex-devel
/usr/share/licenses/flex-devel/COPYING
/usr/lib64/libfl.a
/usr/lib64/libfl_pic.a
/usr/lib64/libl.a
/usr/share/doc/flex
/usr/share/licenses/flex-devel
/usr/share/licenses/flex-devel/COPYING

References

Summary

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