Show NetworkManager device state
Build a paste-ready command, then review its compatibility and effects before running it.
nmcli -f DEVICE,TYPE,STATE,CONNECTION deviceread-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementsnmclinmcli must be installed and available on PATH.
Version supportnmcli Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signalsDEVICE TYPE STATE CONNECTIONRepresentative successful output; values vary with the selected target and system state.
Known errorsnmcli: command not foundnmcli is missing or is not available on PATH.
Verifynmcli -f DEVICE,TYPE,STATE,CONNECTION deviceThe 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
01nmcliCommandRuns the nmcli stage of this one-liner.
02-fOptionKeeps following new output or selects the command-specific force/file mode.
03DEVICE,TYPE,STATE,CONNECTIONArgumentPasses DEVICE,TYPE,STATE,CONNECTION to nmcli.
04deviceArgumentPasses device to nmcli.
Example input
nmcli -f DEVICE,TYPE,STATE,CONNECTION device
Example output
DEVICE TYPE STATE CONNECTION
eth0 ethernet connected Wired connection 1
lo loopback connected (externally) lo
Illustrative output — exact values vary by system and data.
Official sources