How To Install ghc-unix-devel on CentOS 8

ghc-unix-devel is Haskell unix library development files

Introduction

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

What is ghc-unix-devel

This package provides the Haskell unix library development files.

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

Install ghc-unix-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 ghc-unix-devel using dnf by running the following command:

sudo dnf -y install ghc-unix-devel

Install ghc-unix-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 ghc-unix-devel using yum by running the following command:

sudo yum -y install ghc-unix-devel

How To Uninstall ghc-unix-devel on CentOS 8

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

sudo dnf remove ghc-unix-devel

ghc-unix-devel Package Contents on CentOS 8

/usr/lib64/ghc-8.2.2/package.conf.d/unix-2.7.2.2.conf
/usr/lib64/ghc-8.2.2/unix-2.7.2.2
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix.dyn_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix.hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix.p_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString.dyn_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString.hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString.p_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString/FilePath.dyn_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString/FilePath.hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/ByteString/FilePath.p_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/Directory
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/Directory.dyn_hi
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/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/DynamicLinker
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/DynamicLinker.dyn_hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/DynamicLinker.hi
/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/DynamicLinker.p_hi
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/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/Files
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/usr/lib64/ghc-8.2.2/unix-2.7.2.2/System/Posix/Process
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/usr/share/doc/ghc/html/libraries/unix-2.7.2.2/unix.txt

References

Summary

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