ELK-Stack (Elasticsearch Kibana Logstash) – Index not writable (read-only)

Error: [INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({“type”=>”cluster_block_exception”, “reason”=>”blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];”}) Log-Message Resolution 1. Cleanup your disk or expand it 2. Set Indices to “read_only_allow_delete”: “false” You can do this over Kibana –> Dev Tools Or via curl

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Ubuntu: Set Time and Timezone

Check current date / time List available timezones Set timezone Check current date/time configuration Sync time with ntp Ensure that “status systemd-timesyncd” is running Time synchronistation is enabled by default. Run the command timedatectl and ensure that “System clock synchroized” and “systemd-timesyncd.service active” are both set to yes. If not,

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