Verify fstab entries without mounting
Build a paste-ready command, then review its compatibility and effects before running it.
findmnt --verify --verboseread-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementsfindmntfindmnt must be installed and available on PATH.
Version supportfindmnt Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signalsSuccess, no errors or warnings detectedRepresentative successful output; values vary with the selected target and system state.
Known errorsfindmnt: command not foundfindmnt is missing or is not available on PATH.
Verifyfindmnt --verify --verboseThe 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
01findmntCommandRuns the findmnt stage of this one-liner.
02--verifyOptionConfigures findmnt with the --verify option.
03--verboseOptionConfigures findmnt with the --verbose option.
Example input
findmnt --verify --verbose
Example output
Success, no errors or warnings detected
Illustrative output — exact values vary by system and data.
Official sources