ES6 Setup Scripts

elasticsearch.sh

#! /bin/sh
### BEGIN INIT INFO
# Provides:          elasticsearch
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Starts elasticsearch
# Description:       Starts elasticsearch using start-stop-daemon
### END INIT INFO

ES_HOME=/opt/elasticsearch
DAEMON=$ES_HOME/bin/elasticsearch
NAME=elasticsearch
DESC=elasticsearch
PID_FILE=$ES_HOME/$NAME.pid
DAEMON_OPTS="-d -p $PID_FILE"

test -x $DAEMON || exit 0

set -e

case "$1" in
  start)
    echo -n "Starting $DESC: "
    if start-stop-daemon --start --pidfile $PID_FILE --startas $DAEMON -- $DAEMON_OPTS
    then
        echo "started."
    else
        echo "failed."
    fi
    ;;
  stop)
    echo -n "Stopping $DESC: "
    if start-stop-daemon --stop --pidfile $PID_FILE
    then
        echo "stopped."
    else
        echo "failed."
    fi
    ;;
  restart|force-reload)
    ${0} stop
    sleep 0.5
    ${0} start
    ;;
  *)
    N=/etc/init.d/$NAME
    echo "Usage: $N {start|stop|restart|force-reload}" >&2
    exit 1
    ;;
esac

exit 0

es6_setup.sh

# Download
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.1.tar.gz

# Extract
tar xvf elasticsearch-6.4.1.tar.gz 
sudo mv elasticsearch-6.4.1 /opt/
cd /opt
sudo ln -s /opt/elasticsearch-6.4.1 elasticsearch

# Edit config file

# Install jdk8
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

# Memlock settings
sudo vim /etc/security/limits.conf
# add following lines
# elasticadmin soft memlock unlimited
# elasticadmin hard memlock unlimited

# Edit JVM settings
vim /opt/elasticsearch/config/jvm.options
# change values
# -Xms4g
# -Xmx4g

sudo sysctl -w vm.max_map_count=262144

# save init script (above) as /etc/init.d/elasticsearch

# enable script
sudo chmod +x /etc/init.d/elasticsearch
sudo update-rc.d elasticsearch defaults