Inspect kernel module metadata
Build a paste-ready command, then review its compatibility and effects before running it.
modinfo nf_conntrack | head -12read-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementsmodinfomodinfo must be installed and available on PATH.
Version supportmodinfo Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signalsfilename: /lib/modules/6.14.0/kernel/net/netfilter/nf_conntrack.ko.zstRepresentative successful output; values vary with the selected target and system state.
Known errorsmodinfo: command not foundmodinfo is missing or is not available on PATH.
Verifymodinfo nf_conntrack | head -12The 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
01modinfoCommandRuns the modinfo stage of this one-liner.
02nf_conntrackArgumentPasses nf_conntrack to modinfo.
03|PipelinePasses the output on the left to the command on the right.
04headCommandRuns the head stage of this one-liner.
05-12OptionConfigures head with the -12 option.
Example input
modinfo nf_conntrack | head -12
Example output
filename: /lib/modules/6.14.0/kernel/net/netfilter/nf_conntrack.ko.zst
license: GPL
description: Netfilter connection tracking
Illustrative output — exact values vary by system and data.
Official sources