Tag: Runlevels
What is Systemctl? An In-Depth Overview
Table of Contents
- What is Systemctl?
- Managing Services
- System State Overview
- What is a Unit File?
- Working with Unit Files
- Using Targets (Runlevels)
- Stopping or Rebooting the Server
- Conclusion
- FAQ
What is Systemctl?
Systemctl is a command-line tool that allows for the management and monitoring of the systemd system and service manager. It consists of a range of system management utilities, libraries, and daemons that have replaced the previous System V (SysV) init daemon. With its various commands, systemctl proves to be a helpful tool in managing a server's services. It provides detailed information about individual systemd services as well as those that have system-wide usage.
Linux Runlevels Explained
A runlevel is one of the modes that a Unix-based, dedicated server or a VPS server OS will run on. Each runlevel has a certain number of services stopped or started, giving the user control over the behavior of the machine. Conventionally, seven runlevels exist, numbered from zero to six.
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