Rules

mail

28.498s ago

912.1us

Rule State Error Last Evaluation Evaluation Time
alert: PostfixDown expr: node_systemd_unit_state{name="postfix.service",state="active"} == 0 for: 2m labels: service: postfix severity: critical annotations: description: Postfix has been inactive for more than 2 minutes summary: Postfix is down on {{ $labels.instance }} ok 28.499s ago 336.2us
alert: DovecotDown expr: node_systemd_unit_state{name="dovecot.service",state="active"} == 0 for: 2m labels: service: dovecot severity: critical annotations: description: Dovecot has been inactive for more than 2 minutes summary: Dovecot is down on {{ $labels.instance }} ok 28.499s ago 181.3us
alert: PostfixMailQueueGrowing expr: node_postfix_queue_size > 50 for: 15m labels: service: postfix severity: warning annotations: description: Mail queue has {{ $value }} messages summary: Postfix mail queue growing on {{ $labels.instance }} ok 28.499s ago 140.6us
alert: PostfixMailQueueCritical expr: node_postfix_queue_size > 200 for: 5m labels: service: postfix severity: critical annotations: description: Mail queue has {{ $value }} messages — possible delivery failure summary: Postfix mail queue critical on {{ $labels.instance }} ok 28.499s ago 228.7us

system

16.411s ago

1.833ms

Rule State Error Last Evaluation Evaluation Time
alert: HighCPULoad expr: (1 - avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m]))) * 100 > 85 for: 10m labels: severity: warning annotations: description: CPU {{ printf "%.1f" $value }}% (avg all cores, threshold 85%) summary: High CPU load on {{ $labels.instance }} ok 16.411s ago 645.4us
alert: CriticalCPULoad expr: (1 - avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m]))) * 100 > 95 for: 5m labels: severity: critical annotations: description: CPU {{ printf "%.1f" $value }}% (avg all cores, threshold 95%) summary: Critical CPU load on {{ $labels.instance }} ok 16.411s ago 647.1us
alert: HighLoadAverage expr: node_load15 > 6 for: 15m labels: severity: warning annotations: description: 15-min load avg {{ printf "%.2f" $value }} (threshold 6) summary: High load average on {{ $labels.instance }} ok 16.41s ago 269.2us
alert: CriticalLoadAverage expr: node_load15 > 10 for: 10m labels: severity: critical annotations: description: 15-min load avg {{ printf "%.2f" $value }} (threshold 10) summary: Critical load average on {{ $labels.instance }} ok 16.41s ago 243.6us

web

23.642s ago

1.012ms

Rule State Error Last Evaluation Evaluation Time
alert: NginxDown expr: node_systemd_unit_state{name="nginx.service",state="active"} == 0 for: 1m labels: service: nginx severity: critical annotations: description: Nginx has been inactive for more than 1 minute summary: Nginx is down on {{ $labels.instance }} ok 23.642s ago 436.4us
alert: ApacheDown expr: node_systemd_unit_state{name="apache2.service",state="active"} == 0 for: 1m labels: service: apache2 severity: critical annotations: description: Apache has been inactive for more than 1 minute summary: Apache is down on {{ $labels.instance }} ok 23.642s ago 125us
alert: SSLCertExpiringWarning expr: probe_ssl_earliest_cert_expiry - time() < 86400 * 30 for: 1h labels: severity: warning annotations: description: Certificate expires in {{ $value | humanizeDuration }} summary: 'SSL certificate expiring soon: {{ $labels.instance }}' ok 23.642s ago 130.2us
alert: SSLCertExpiringCritical expr: probe_ssl_earliest_cert_expiry - time() < 86400 * 7 for: 1h labels: severity: critical annotations: description: Certificate expires in {{ $value | humanizeDuration }} summary: 'SSL certificate expiring in 7 days: {{ $labels.instance }}' ok 23.642s ago 269.8us