Learn redis Linux and install redis

One . redis What is it?

Redis It's completely open source , comply with BSD agreement , Is a high-performance key-value database , You can store strings , Hash structure , Linked list , aggregate

Two . redis and memcached difference

1. redis Can be used for storage （storge）, and mamcached Is used for caching （cache）

This feature is mainly because it has   ' Persistence  ' The function of

2 . The stored data has structure , about memcached Come on , Stored data , Only 1 Types --“ character string ”

and redis You can store the string , Linked list , Hash structure , aggregate , Ordered set

  install

// First, download it from the official website Redis The package 
Download | Redis
 // decompression redis  Compressed package 
tar zxvf redis-****.tar.gz
// Then use it directly 
make
make PREFIX=/usr/local/redis install
// Get into /usr/local/redis

redis Performance testing tools      redis-benchmark

Check aof Logging tools     redis-check-aof

Check rdb Logging tools     redis-check-rdb

Client for connection          redis-cli

redis Service process             redis-server

  And then make a copy of redis.conf To the service directory  

cp /www/server/redis-****.tar.gz  /usr/local/redis in 
// Then start redis
./bin/redis-server ./redis.conf
// start-up redis service 
./bin/redis-cli

  But at this time redis It needs to be running in the background all the time , We can modify redis.conf The process will not occupy the session box

// Get into redis Configuration file for 
vim redis.conf
// modify daemonize no  by  yes