Export host identity as JSON
Build a paste-ready command, then review its compatibility and effects before running it.
hostnamectl status --json=shortread-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementshostnamectlhostnamectl must be installed and available on PATH.
Version supporthostnamectl Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signals{"Hostname":"api-01","OperatingSystemPrettyName":"Ubuntu 26.04 LTS","KernelName":"Linux","KernelRelease":"6.14.0"}Representative successful output; values vary with the selected target and system state.
Known errorshostnamectl: command not foundhostnamectl is missing or is not available on PATH.
Verifyhostnamectl status --json=shortThe output matches the expected target and exits without an error.Rollback noteNot required: this command is read-only and does not change system state.
Command breakdown
01hostnamectlCommandRuns the hostnamectl stage of this one-liner.
02statusArgumentPasses status to hostnamectl.
03--json=shortOptionReturns the selected fields as structured JSON.
Example input
hostnamectl status --json=short
Example output
{"Hostname":"api-01","OperatingSystemPrettyName":"Ubuntu 26.04 LTS","KernelName":"Linux","KernelRelease":"6.14.0"}
Illustrative output — exact values vary by system and data.
Official sources