Update Kubernetes resources

madhuanandam · Apr 21, 2020 · 5d711b4 · 5d711b4
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diff --git a/resources/elk.md b/resources/elk.md
@@ -39,18 +39,12 @@ Name | Comments
 
 ## Elsaticsearch Cheat Sheet
 
-* Test elasticsearch
-
-`curl localhost:9200`
-
-* Check elasticsearch health (also good for checking number of nodes)
-
-`curl -X GET "localhost:9200/_cat/health?v"`
-
-* List indexes
-
-`curl 'localhost:9200/_cat/indices?v'`
-
+* Test elasticsearch: `curl <es_host>:9200`
+* List of APIs: `curl <es_host>:9200/_cat`
+* List nodes: `curl <es_host>:9200/_cat/nodes`
+* List nodes with headers: `curl <es_host>:9200/_cat/nodes?v`
+* Check elasticsearch health (also good for checking number of nodes): `curl -X GET "localhost:9200/_cat/health?v"`
+* List indexes: `curl 'localhost:9200/_cat/indices?v'`
 * Create a new index called "customers" and add a document with the field name
 
 ```
@@ -61,33 +55,48 @@ curl -X PUT "localhost:9200/gamer/_doc/1?pretty" -H 'Content-Type: application/j
 '
 ```
 
-* Add documents from a JSON file
-
-```
-curl -H "Content-Type: application/json" -XPOST "localhost:9200/customer/_bulk?pretty&refresh" --data-binary "@customers.json"
-```
-
-* Get the document with ID 1
-
-`curl -X GET "localhost:9200/gamer/_doc/1"`
-
-* List all indices
-
-`curl "localhost:9200/_cat/indices?v"`
+* Add documents from a JSON file: `curl -H "Content-Type: application/json" -XPOST "localhost:9200/customer/_bulk?pretty&refresh" --data-binary "@customers.json"`
+* Get the document with ID 1: `curl -X GET "localhost:9200/gamer/_doc/1"`
+* List all indices: `curl "localhost:9200/_cat/indices?v"`
 
 * Increase fields limit
-
 ```
 PUT test_index/_settings
 {
   "index.mapping.total_fields.limit": 2000
 }
 ```
 
-* Delete index 
-
-```
-DELETE /<index_name>
+* Delete index: `DELETE /<index_name>`
+
+* Create cluster
+
+```
+# On the master node
+dnf install -y elasticsearch
+systemctl enable elasticsearch
+vi /etc/elasticsearch/elasticsearch.yml
+  set cluster.name
+  set node.name
+  set network.host to [_local_, _site_]
+  set discovery.seed_hosts to master private IP address (or addresses if you are using multiple nodes)
+  set cluster.inital_master_nodes to master node name(s)
+  set node.master to true
+  set node.data to false
+  set node.ingest to true
+  set node.ml to false
+# On second node (and any additional node)
+  set cluster.name
+  set node.name
+  set network.host to [_local_, _site_]
+  set discovery.seed_hosts to master private IP address (or addresses if you are using multiple nodes)
+  set cluster.inital_master_nodes to master node name(s)
+  set node.master to false
+  set node.master to true
+  set node.ingest to false
+  set node.ml to false
+# On all nodes
+systemctl start elasticsearch
 ```
 
 ## Logstash Cheat Sheet

diff --git a/resources/kubernetes.md b/resources/kubernetes.md
@@ -9,7 +9,14 @@ Name | Comments
 [Learning Path: Kubernetes](https://developer.ibm.com/series/kubernetes-learning-path/) | From basic to advanced Kubernetes learning series
 [Kubernetes 101 - Concepts and Why It Matters](https://www.magalix.com/blog/kubernetes-101-concepts-and-why-it-matters?fbclid=IwAR10FZlZ9Pw5c94tGRlgsCrVZTa1bSV2mbxEP8p4cXZ5T-k4VXF-3OUKkFo) |
 [kubernetes-workshop](https://github.com/eon01/kubernetes-workshop) |
-[Kubernetes Deployment Tutorial](https://devopscube.com/kubernetes-deployment-tutorial)
+[Kubernetes Deployment Tutorial](https://devopscube.com/kubernetes-deployment-tutorial) |
+[Katacoda](https://www.katacoda.com/courses/kubernetes) | Learn Kubernetes using Interactive Browser-Based Scenarios
+
+## Kubernetes Deep Dive
+
+Name | Comments
+:------ |:--------:
+[Kubernetes Networking](https://github.com/nleiva/kubernetes-networking-links) | Kubernetes Networking Resources
 
 ## Misc