rtk-ai/rtk

Feature request: journalctl support

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#1819 aperta il 9 mag 2026

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area:clienhancementhelp wantedplatform:linuxpriority:medium

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Descrizione

Command

journalctl

Usage stats

37 occurrences in the last 30 days — 3rd most common unhandled command in rtk discover output.

Typical usage patterns

journalctl -b -1 --no-pager -p err -n 50
journalctl -u <service> --since "1 hour ago"
journalctl -f

Expected filtering opportunity

Similar to how rtk ps aux achieves ~92% token reduction by stripping irrelevant process lines, journalctl output contains significant noise:

  • Boot metadata headers
  • Kernel/systemd noise lines unrelated to the queried service
  • Timestamp repetition
  • Priority/facility prefixes that add bulk without value

A rtk journalctl filter could keep only the log message body and strip structural noise, targeting ~60-80% reduction on typical outputs.

Environment

  • systemd-based Linux (Raspberry Pi, aarch64)
  • Common in server/embedded monitoring workflows

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