Systemctl
What is a Linux service?
A Linux service is a background process or application that runs independently of user interaction, providing specific functionality or performing system tasks. It is managed by the init system, typically systemd, and can be started, stopped, and managed using commands like
systemctl
.
What is the difference between Systemctl and service?
systemctl
is a command-line tool used to manage systemd services, whileservice
is a symbolic link tosystemctl
on many systems, providing compatibility with older init scripts.
How to check service status in Linux?
Use `
systemctl status <service_name>`
to see if the service is running, active (recently stopped), or inactive (never started). This reveals important information like memory usage and active connections.
How do I start, stop, restart a service?
For starting, use :
sudo systemctl start <service_name>
For stopping, use :
sudo systemctl stop <service_name>
To restart, use :
sudo systemctl restart <service_name>
Note : Remember to replace
<service_name>
with the actual service name.
How do I make a service start automatically at boot?
Use
sudo `
systemctl enable <service_name>`
to set the service to start automatically when the system boots.To disable automatic startup, use `
sudo systemctl disable <service_name>`
.
How to Start, Stop and Restart Services in Linux Using systemctl CommandSecuring a service using systemd
System services play a crucial role in the functioning of a Linux system, handling various tasks and processes in the background. systemctl
is a powerful command-line tool that allows users to manage these services effectively. In this article, we will explore the basics of using systemctl
to start, stop, restart, enable, disable and display status of services in a Linux environment.