ElasticSearch delete all indexes

curl -X DELETE 'http://localhost:9200/_all

ElasticSearch remove read-only status

curl -X PUT -H "Content-Type: application/json" http://localhost:9200/_all/_settings -d '{"index.blocks.read_only_allow_delete": false}'

Add ssh configuration

nano ~/.ssh/config

    Host IP
      HostName IP
      User USER_NAME
      Port PORT
      IdentityFile PATH_TO_KEY
      IdentitiesOnly yes

Crontab

sudo -u www-data crontab -e

Redis Ubuntu

#!/usr/bin/env bash

sudo apt-get -y update
sudo apt-get -y upgrade

sudo apt-get install -y redis-server php-redis
sudo systemctl enable redis-server.service
echo  "maxmemory 256mb" >> /etc/redis/redis.conf
echo  "maxmemory-policy allkeys-lru" >> /etc/redis/redis.conf
sudo systemctl restart redis-server.service