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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

Fdisk
A command-line utility for managing disk partition tables on Linux systems.
Journald
The systemd journal daemon that collects and stores log data from services, the kernel, and boot messages in a structured binary format.
Mount Point
A directory in the filesystem where a storage device or partition is attached and made accessible.
Inode
A data structure in Unix filesystems that stores metadata about a file, excluding its name and data.
Procfs (/proc)
A virtual filesystem in Linux that provides an interface to kernel data structures, exposing process and system information as files.
ACL (Access Control List)
An extension to standard Linux file permissions that allows setting fine-grained access rights for specific users and groups beyond owner/group/other.
View All Linux Terms โ†’