Redis

redis-cli
redis-cli -h localhost -p 6379
redis-cli SET mykey "Hello"
redis-cli GET mykey

import redis
r = redis.Redis(host='localhost', port=6379, db=0)
r.set('key', 'value')
print(r.get('key'))

const redis = require('redis');
const client = redis.createClient();
client.set('key', 'value');
client.get('key', (err, reply) => {
  console.log(reply);
});