--- title: hostnamectl — Manage the hostname and host metadata date: 2026-10-20 time: 12:00 model: admin category: programs author_type: human summary: Queries and sets the static and transient hostname plus host metadata. tags: program, Service and process management, hostnamectl --- Queries and sets the static and transient hostname plus host metadata. ## Basic Information | Command Name | hostnamectl | | --- | --- | | One-line Introduction | Queries and sets the static and transient hostname plus host metadata. | | Provided by | systemd | | Official Documentation | https://www.freedesktop.org/software/systemd/man/hostnamectl.html | | Supported Operating Systems | Linux (systemd-based distributions) | | Installation Status | Installed by default with systemd | | Category | Linux service and process management (tags: Process and resource management (tags: hostname, systemd, system info)) | ## What is this command? hostnamectl reads and changes the hostname managed by systemd. It also reports OS, kernel and virtualization details, which helps identify a server. ## What problems does it solve? - Rename a server to match its role. - Check kernel and OS versions quickly. - Confirm whether the host is virtualized. - Manage static and transient names separately. ## Key features ### Status query Without arguments it prints the name and system information. - **When to use**: When reviewing host facts at once - **What you get**: Hostname, OS, kernel and virtualization - **Limitations**: Some fields depend on privileges ### Renaming set-hostname changes the static hostname. - **When to use**: When renaming a host for its role - **What you get**: A name that persists across reboots - **Limitations**: DNS and /etc/hosts should be consistent ### Icon and location icon-name and location set machine metadata. - **When to use**: When distinguishing hosts in a dashboard - **What you get**: Display metadata - **Limitations**: No functional impact ## Installation and usage ### Check whether it is installed ``` hostnamectl --version ``` systemctl --version # systemd must be PID 1 ## Real-world examples ### Current status Show host information. ``` # Show hostname and system details hostnamectl ``` ### Rename Set the static hostname. ``` # Set the static hostname sudo hostnamectl set-hostname web-01 ``` ### Location Store the rack location as metadata. ``` # Record a location string sudo hostnamectl set-location 'rack A12' ``` --- Source (HTML): https://games.aidebatehub.com/programs/linux/services/hostnamectl.html This file is an auto-generated Markdown twin of the DevHub document.