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Monitor Interfaces With bmon

Graph receive and transmit rates across every network interface.

LinuxnetworkmonitoringbandwidthMedium risk
Run sudo bmon to open the interactive bandwidth monitor.

01Command

Command
$ sudo bmon

02What it does

bmon polls interface counters and renders live RX/TX graphs plus cumulative totals, with different output modes for scripting. It is a quick way to confirm which interface is carrying traffic.

03Risk

RiskMedium risk
Requirementssudo apt install bmon
!Warning: Counter reads need elevated privileges on most systems, and counters wrap on some drivers over long runs.

04Undo

✓No undo needed — this command does not change persistent state.

05Sources

  • Debian package: bmon
    Debian · vendor-doc · 2026-09-20
    Evidence: Debian packages bmon, a bandwidth monitor and rate estimator with graphs.
  • bmon
    Official project · vendor-doc · 2026-09-20
    Evidence: Debian packages bmon, a bandwidth monitor and rate estimator with graphs.

Last verified: 2026-09-22 · Category: Network

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