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‎_sources/elk/elastic/indexes/datastream.rst.txt‎

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============
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data streams
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============
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decommission a data stream
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^^^^^^^^^^^^^^^^^^^^^^^^^^
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If a data stream won't be used any longer but the old data needs
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to be kept, it can be modified using the `modify_data_stream` api
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to not have a write index anymore.
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This prevents an empty data stream from sitting around taking up space
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and valuable shards.
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.. code-block:: console
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POST /_data_stream/_modify
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{
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"actions": [
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{
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"remove_backing_index": {
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"data_stream": "logs-xxx-default",
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"index": ".ds-logs-xxx-default-000002"
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}
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}
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]
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}
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Leave the ILM policy intact, so the old indices can continue through
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their stages of life.
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‎_sources/elk/elastic/indexes/index.rst.txt‎

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=========================
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indicies and data streams
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=========================
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=======
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indexes
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=======
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indices?
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Contents:
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create_index
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ilm
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errors
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datastream
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‎_sources/elk/elastic/interesting.rst.txt‎

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.. code-block:: console
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GET _cat/indices?h=index,status,store.size,docs.count,creation.date.string&s=index,creation.date&format=json&bytes=b
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get status of relocating shards
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Covers relocating and recovering shards.
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.. code-block:: console
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GET _cat/recovery?v&active_only=true&h=index,shard,source_node,target_node,bytes_percent,bytes_total,time
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‎_sources/elk/index.rst.txt‎

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docker/commands
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testing_logstash
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elastic-cloud
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query/index
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‎_sources/elk/query/elasticsearch-esql.rst.txt‎

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=====
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es|ql
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=====
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example
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^^^^^^^
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Get a list of IP addresses and the count of events from those IPs from logs containing `log.source.address`.
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It has to remove the port from the address, and only outputs the IP and count.
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This example is using cisco_ios logs
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.. code-block:: console
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FROM logs-* | WHERE log.source.address IS NOT NULL AND event.dataset == "cisco_ios.log" | DISSECT log.source.address """%{ipaddress}:%{port}""" | KEEP ipaddress |
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STATS c = COUNT(*) BY ipaddress | KEEP ipaddress,c | SORT c DESC
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‎_sources/elk/query/index.rst.txt‎

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=================================
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querying elasticsearch and kibana
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=================================
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Contents:
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.. toctree::
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:maxdepth: 2
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elasticsearch-esql
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‎_sources/operating_systems/linux/cgroups/notes.rst.txt‎

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get version
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^^^^^^^^^^^
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.. code-block:: console
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stat -fc %T /sys/fs/cgroup/
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View available cgroups
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view available cgroups
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^^^^^^^^^^^^^^^^^^^^^^
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.. code-block:: console
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Links
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links
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^^^^^
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`RH docs <https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/resource_management_guide/chap-introduction_to_control_groups>`_

‎_sources/operating_systems/linux/commands.rst.txt‎

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pgrep -P PID_OF_PARENT
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last reboot
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^^^^^^^^^^^
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See information in `/var/log/wtmp` about the last reboots.
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‎_static/basic.css‎

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/*
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* basic.css
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* ~~~~~~~~~
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*
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* Sphinx stylesheet -- basic theme.
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*
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* :copyright: Copyright 2007-2024 by the Sphinx team, see AUTHORS.
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* :license: BSD, see LICENSE for details.
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*
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*/
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/* -- search page ----------------------------------------------------------- */
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ul.search {
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padding: 0;
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margin-top: 10px;
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}
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ul.search li {
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padding: 5px 0;
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‎_static/doctools.js‎

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/*
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* doctools.js
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* ~~~~~~~~~~~
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*
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* Base JavaScript utilities for all Sphinx HTML documentation.
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*
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* :copyright: Copyright 2007-2024 by the Sphinx team, see AUTHORS.
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* :license: BSD, see LICENSE for details.
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*
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*/
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"use strict";
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