How To Install init-system-helpers on Debian 9
Introduction
In this tutorial we learn how to install init-system-helpers
on Debian 9.
What is init-system-helpers
init-system-helpers is:
This package contains helper tools that are necessary for switching between the various init systems that Debian contains (e. g. sysvinit or systemd). An example is deb-systemd-helper, a script that enables systemd unit files without depending on a running systemd.
It also includes the “service”, “invoke-rc.d”, and “update-rc.d” scripts which provide an abstraction for enabling, disabling, starting, and stopping services for all supported Debian init systems as specified by the policy.
While this package is maintained by pkg-systemd-maintainers, it is NOT specific to systemd at all. Maintainers of other init systems are welcome to include their helpers in this package.
There are three methods to install init-system-helpers
on Debian 9. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install init-system-helpers Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install init-system-helpers
using apt-get
by running the following command:
sudo apt-get -y install init-system-helpers
Install init-system-helpers Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install init-system-helpers
using apt
by running the following command:
sudo apt -y install init-system-helpers
Install init-system-helpers Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install init-system-helpers
using aptitude
by running the following command:
sudo aptitude -y install init-system-helpers
How To Uninstall init-system-helpers on Debian 9
To uninstall only the init-system-helpers
package we can use the following command:
sudo apt-get remove init-system-helpers
Uninstall init-system-helpers And Its Dependencies
To uninstall init-system-helpers
and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove init-system-helpers
Remove init-system-helpers Configurations and Data
To remove init-system-helpers
configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge init-system-helpers
Remove init-system-helpers configuration, data, and all of its dependencies
We can use the following command to remove init-system-helpers
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge init-system-helpers
Dependencies
init-system-helpers have the following dependencies:
References
Summary
In this tutorial we learn how to install init-system-helpers
package on Debian 9 using different package management tools: apt
, apt-get
and aptitude
.