Elastic Stack 7 : Install Metricbeat2021/06/22

	Install Metricbeat that collects metrics from System or Services. For Metricbeat details, refer to the official site. ⇒ https://www.elastic.co/guide/en/beats/metricbeat/current/metricbeat-modules.html
[1]	Install Metricbeat. Configure Elasticsearch repository before it.

[root@dlp ~]#

dnf -y install metricbeat

[2]	Configure basic settings and start Metricbeat.

[root@dlp ~]#

vi /etc/metricbeat/metricbeat.yml

# line 67 : if use Kibana, uncomment and specify output host

# if SSL is enabled on Kibana, hostname should be the same with the hostname in certs

setup.kibana:
.....
  host: "https://dlp.srv.world:5601"

# line 92 : specify output host

# the default is localhost's Elasticsearch

# if output to Logstash, comment out Elasticsearch and uncomment logstash lines

output.elasticsearch:
  # Array of hosts to connect to.
  hosts: ["localhost:9200"]

.....
.....

#output.logstash:
  # The Logstash hosts
  #hosts: ["localhost:5044"]

[root@dlp ~]#

vi /etc/metricbeat/metricbeat.reference.yml

# line 61 : set items to collect data

# enable and disable to comment out and uncomment

- module: system
  metricsets:
    - cpu             # CPU usage
    - load            # CPU load averages
    - memory          # Memory usage
    - network         # Network IO
    - process         # Per process metrics
    - process_summary # Process summary
    - uptime          # System Uptime
    - socket_summary  # Socket summary
    #- core           # Per CPU core usage
    #- diskio         # Disk IO
    #- filesystem     # File system usage for each mountpoint
    #- fsstat         # File system summary metrics
    #- raid           # Raid
    #- socket         # Sockets and connection info (linux only)
    #- service        # systemd service information
  enabled: true
  period: 10s
  processes: ['.*']

# line 2595 : if use Kibana, uncomment and specify output host

# if SSL is enabled on Kibana, uncomment ssl related lines

# if your certs is self-siged one, ssl.verification_mode should be [none]

setup.kibana:

  # Kibana Host
  # Scheme and port can be left out and will be set to the default (http and 5601)
  # In case you specify and additional path, the scheme is required: http://localhost:5601/path
  # IPv6 addresses should always be defined as: https://[2001:db8::1]:5601
  host: "dlp.srv.world:5601"

   # Optional protocol and basic auth credentials.
  protocol: "https"
  #username: "elastic"
  #password: "changeme"

  # Optional HTTP path
  #path: ""

  # Optional Kibana space ID.
  #space.id: ""

  # Use SSL settings for HTTPS.
  ssl.enabled: true
  
.....
.....

  # after very careful consideration. It is primarily intended as a temporary
  # diagnostic mechanism when attempting to resolve TLS errors; its use in
  # production environments is strongly discouraged.
  # The default value is full.
  ssl.verification_mode: none

[root@dlp ~]#

systemctl enable --now metricbeat

[3]	Verify status the data has been collected normally.

# index list

[root@dlp ~]#

curl localhost:9200/_cat/indices?v

health status index                               uuid                   pri rep docs.count docs.deleted store.size pri.store.size
green  open   .kibana_7.13.2_001                  zA_r0rrjT7OMUMVSGmRVfg   1   0         23           25      2.1mb          2.1mb
green  open   .apm-custom-link                    d1-9Pkn-RXOu_qhMOanvVA   1   0          0            0       208b           208b
green  open   .kibana-event-log-7.13.2-000001     Y-rCmM6yTBKa9W5H1LeJ1g   1   0          1            0      5.6kb          5.6kb
green  open   .apm-agent-configuration            y3hQme2SQpGMtb64NLsNdA   1   0          0            0       208b           208b
green  open   .async-search                       WRLoMwCITRKD3C_BrFJ9bw   1   0          0            1      3.3kb          3.3kb
green  open   .kibana_task_manager_7.13.2_001     x6V232xKQLinqRedJRAbgw   1   0         10         1069    186.4kb        186.4kb
yellow open   test_index                          Vh0HutpLRciaMWX3pFo7Zg   1   1          1            0      5.5kb          5.5kb
yellow open   sshd_fail-2021.06                   HiOI2ac-RzK2BiwQ_gb-VQ   1   1         24            0     45.1kb         45.1kb
yellow open   metricbeat-7.13.2-2021.06.22-000001 aVbbCHScQBujmT8JMRdRBw   1   1         91            0    555.5kb        555.5kb

# document list on the index

[root@dlp ~]#

curl localhost:9200/metricbeat-7.13.2-2021.06.22-000001/_search?pretty

{{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 136,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "metricbeat-7.13.2-2021.06.22-000001",
        "_type" : "_doc",
        "_id" : "hqGLMXoB8xzJeutJLnjC",
        "_score" : 1.0,
        "_source" : {
          "@timestamp" : "2021-06-22T02:27:17.069Z",
          "host" : {
            "ip" : [
              "10.0.0.30",
              "fe80::e38e:e34:9b82:29a2"
            ],
.....
.....

[4]	If Kibana is running, it's possible to import data to sample Dashboards.

[root@dlp ~]#

metricbeat setup --dashboards

Loading dashboards (Kibana must be running and reachable)
Loaded dashboards

Matched Content