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What is Systemctl?

The primary command for managing systemd services, including starting, stopping, enabling, and checking service status.

Systemctl controls the systemd service manager. Key commands: systemctl start/stop/restart service (manage service), systemctl enable/disable service (auto-start at boot), systemctl status service (check status and recent logs).

Other useful commands include systemctl list-units (active units), systemctl list-unit-files (all units), systemctl daemon-reload (reload after config changes), and systemctl is-active service (quick status check for scripts).

Related Terms

Strace
A diagnostic tool that traces system calls and signals made by a process, useful for debugging and performance analysis.
Kernel
The core component of an operating system that manages hardware resources and provides services to software.
Journald
The systemd journal daemon that collects and stores log data from services, the kernel, and boot messages in a structured binary format.
Nftables
The modern Linux packet filtering framework that replaces iptables with a unified, more efficient rule-processing architecture.
Firewalld
A dynamic firewall management tool for Linux that provides a D-Bus interface for managing firewall rules with zones.
Logrotate
A utility that manages automatic rotation, compression, and removal of log files to prevent disk space exhaustion.
View All Linux Terms โ†’