How To Install ntsysv on CentOS 8

ntsysv is A tool to set the stop/start of system services in a runlevel

Introduction

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

What is ntsysv

Ntsysv provides a simple interface for setting which system services are started or stopped in various runlevels (instead of directly manipulating the numerous symbolic links in /etc/rc.d). Unless you specify a runlevel or runlevels on the command line (see the man page), ntsysv configures the current runlevel (5 if you’re using X).

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

Install ntsysv 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 ntsysv using dnf by running the following command:

sudo dnf -y install ntsysv

Install ntsysv 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 ntsysv using yum by running the following command:

sudo yum -y install ntsysv

How To Uninstall ntsysv on CentOS 8

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

sudo dnf remove ntsysv

ntsysv Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/4f
/usr/lib/.build-id/4f/9d9fb91e06e3dd91a251814bae5d4a89bd4f91
/usr/sbin/ntsysv
/usr/share/man/man8/ntsysv.8.gz

References

Summary

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