Elasticsearch install step by step
java -v
java -version
echo $JAVA_HOME
ls /usr/lib/jvm//java-
for Result
java-1.7.0-openjdk-amd64/ java-1.8.0-openjdk-amd64/ java-7-openjdk-amd64/ java-8-openjdk-amd64/
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for run Tab ke through check karna hai: echo /usr/lib/jvm/java-8-openjdk-amd64/
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Set environment variable:
sudo nano /etc/environment
JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/
PATH=$PATH:$HOME/bin:$JAVE_HOME/bin
export JAVE_HOME
export JRE_HOME
export PATH
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Run: echo $JAVA_HOME
For result: /usr/lib/jvm/java-8-openjdk-amd64/
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sudo apt-get install apt-transport-https
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wget https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
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sudo add-apt-repository "deb https://artifacts.elastic.co/packages/6.x/apt stable main"
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sudo apt update
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sudo apt install elasticsearch
Getting this error: sudo apt install elasticsearch
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package elasticsearch
For solve:
On terminal: wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo gpg --dearmor -o /usr/share/keyrings/elasticsearch-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/elasticsearch-archive-keyring.gpg] https://artifacts.elastic.co/packages/7.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elastic-7.x.list > /dev/null
sudo apt update
sudo apt-get install elasticsearch
sudo systemctl enable elasticsearch
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When getting this error:
sudo systemctl enable elasticsearch Synchronizing state of elasticsearch.service with SysV service script with /lib/systemd/systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install enable elasticsearch
Then run this command: sudo systemctl is-enabled elasticsearch
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sudo systemctl start elasticsearch
Check the status: sudo systemctl status elasticsearch
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sudo nano /etc/elasticsearch/elasticsearch.yml
is file me must nhi hai change karna, kyu ki default me port 9200 hota hai and host 127.0.0.1 hota hai
Only for:
Uncomment line
cluster.name: my-elasticsearch
node.name: elasticsearch-1
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
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sudo systemctl start elasticsearch
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Check status:
sudo systemctl status elasticsearch.service
For this resulte
elasticsearch.service - Elasticsearch
Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2020-11-05 17:48:01 IST; 11s ago
Docs: https://www.elastic.co
Main PID: 8632 (java)
Tasks: 63
Memory: 1.2G
CPU: 59.206s
CGroup: /system.slice/elasticsearch.service
├─8632 /usr/share/elasticsearch/jdk/bin/java -Xshare:auto -Des.networkaddress.cache.ttl=60 -Des.networkaddress.cache.negative.ttl=10
└─8831 /usr/share/elasticsearch/modules/x-pack-ml/platform/linux-x86_64/bin/controller
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curl -X GET http://127.0.0.1:9200
{
"name" : "elasticsearch-1",
"cluster_name" : "my-elasticsearch",
"cluster_uuid" : "OL-ZPjVBTcG4b9HlEgnOdw",
"version" : {
"number" : "7.9.3",
"build_flavor" : "default",
"build_type" : "deb",
"build_hash" : "c4138e51121ef06a6404866cddc601906fe5c868",
"build_date" : "2020-10-16T10:36:16.141335Z",
"build_snapshot" : false,
"lucene_version" : "8.6.2",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
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Link: https://www.youtube.com/watch?v=63nS1Z-pIfI
