About redis

redis is data structure server It’s opensource, Key-value database ,networked, in-memory.
Data types is maps keys to types of values.
Redis supports strings and abstract data types.

Install redis on ubuntu 14.04

1. install redis server
   sudo apt-get install redis-server
2. you can check progress and check port
   ps -aux|grep redis
   netstat -nlt|grep 6379
3. check status
   /etc/init.d/redis-server status
   or
   service redis-server status

CLI

documentation: http://redis.io/commands

1. run cli
   redis-cli
2. help tip
   

   help
   Type: “help @” to get a list of commands in
   “help ” for help on
   “help ” to get a list of possible help topics
   “quit” to exit

3. show all key list
   

   keys *

4. add key value
   

   set key1 “hi cake!”
   OK

5. show key value
   

   get key1
   “hi cake!”

6. add key number
   

   set key2 1
   OK

7. Increment number
   

   INCR key2
   (integer) 2

8. add list data
   

   LPUSH key3 jeff
   LPUSH key3 cake
   LPUSH key3 ken

9. show list data
   

   LRANGE key3 0 3

10. add hash tables
    

    HSET key4 name “golden cake”
    HSET key4 email “jeff@golden-cake.com“

11. get hash tables by key
    

    HGET key4 name
    “golden cake”

12. get all hash tables
    

    HGETALL key4
    1) “name”
    2) “golden cake”
    3) “email”
    4) “jeff@golden-cake.com“

13. create hash tables by more key and value
    

    HMSET key5 username jeff password 123456 mail jeff@golden-cake.com

14. show name and mail
    

    HMGET key5 username mail

15. show all
    

    HGETALL key5
    1) “username”
    2) “jeff”
    3) “password”
    4) “123456”
    5) “mail”
    6) “jeff@golden-cake.com“

16. show all key
    

    keys *
    1) “key2”
    2) “key5”
    3) “key4”
    4) “key1”
    5) “key3”

17. remove key1 and key5
    

    del key1 key5

18. remove all key
    

    FLUSHALL

set password

1. vim /etc/redis/redis.conf
2. enable requirepass [yourpassword]
3. service redis-server restart
4. >redis-cli -a [yourpassword]

If you want to remotely access the database

1. vim /etc/redis/redis.conf
2. disable bind 127.0.0.1
3. service redis-server restart
4. redis-cli -a [yourpassword] -h xxx.xxx.xxx.xxx

How to working on php7-fpm

1. download phpredis source code
   

   git clone https://github.com/phpredis/phpredis.git
   cd phpredis

2. Switch to php7 branch
   

   git checkout php7

3. Compile
   

   phpize
   ./configure
   make && make install
   cd ..
   rm -rf phpredis

4. create php7 config :vim /etc/php/7.0/fpm/conf.d/30-redis.ini
   

   extension=redis.so

5. restart php7-fpm and check phpinfo
   

   service php7.0-fpm restart

Test connection Redis

documentation: https://github.com/phpredis/phpredis#classes-and-methods

1. connect
   ”’
   <?php
   \(redis = new Redis();
   \)redis->connect(‘127.0.0.1′, 6379);
   echo “Connection to server sucessfully”;
   echo “Server is running: ” . $redis->ping();
   ”’

Working With Node.js and Redis

documentation: http://redis.js.org/

1. install node_redis
   

   npm install redis

2. connect
   ”’
   var redis = require(“redis”),
   client = redis.createClient();//port and ip
   //client = redis.createClient(‘6379’, ‘127.0.0.1’);//auth
   // client.auth(“passowrd”);

//error
client.on(“error”, function (err) {
console.log(“Error ” + err);
});
”’