loki

Identity

• Loki unit: loki.service (binary install) or grafana-loki.service (package)
• Promtail unit: promtail.service
• Loki config: /etc/loki/loki-config.yaml (binary), /etc/loki/config.yaml (package)
• Promtail config: /etc/promtail/promtail-config.yaml
• Loki data: /var/lib/loki/ (chunks, index, WAL, compactor working dir)
• Promtail positions: /tmp/positions.yaml (tracks file read offsets; persist across restarts)
• Logs: journalctl -u loki, journalctl -u promtail
• Install options: pre-built binary from GitHub releases, docker run grafana/loki, Grafana APT/RPM package (apt install loki), Helm chart

Key Operations