What are the steps to install Redis on Linux system

I believe everyone has seen the red envelope grabbing activity of the 2021 Spring Festival Gala. According to statistics, a total of 70.3 billion red envelope interactions and 1.221 billion viewers in the Spring Festival Gala live broadcast room during the Spring Festival Gala. Faced with such a huge traffic, the test adopted by the Volcano Engine The self-developed redis system plays an important role in this.

Introduction to Redis:

Redis is completely open source, complies with the BSD protocol, and is a high-performance key-value database.

Redis and other key – value caching products have the following three characteristics:

• Redis supports data persistence and can save data in memory on disk. , it can be loaded again for use when restarting.

• Redis not only supports simple key-value type data, but also provides storage of data structures such as list, set, zset, and hash.

• Redis supports data backup, that is, data backup in master-slave mode.

1. Environment description

1.Linux operating system

This article uses the deepin 15.7 distribution, download address: https://www.deepin .org/

2.redis installation package

This article uses redis3.0.0, download address: http://download.redis.io/releases/

3.redis Client

This article uses the open source software RedisPlus, download address: https://gitee.com/MaxBill/RedisPlus

2. Installation process

1. Download redis source code package

We use wget to download or go directly to http://download.redis.io/releases/ to download the source code package

2. Unzip the redis source code package

Use the decompression tool or use the tar -zxvf command to decompress

3. Compile the redis program

What we just downloaded is the source code of redis. We need to compile it before we can use it. Enter the redis installation package directory we just decompressed and use the make command to compile

Wait for a while for the compilation process , see the following instructions and the compilation is completed

4. Install the redis program

After the compilation process is completed, it will be generated in the src directory The executable redis program is ready to be installed and used next. You can define the installation directory yourself. Here I installed it to /opt/redis/

and you can see it. This is a successful installation, but it failed for the first time because the opt directory requires administrator rights. We used sudo to escalate the rights and the installation was successful.

5. Configure the redis service

The first choice is to copy the redis.conf configuration file in the source code package to the installation directory /etc/

The first choice is to change the redis password and modify /opt/ The requirepass item in redis/redis.conf is commented out by default, which is empty. Here we change it to 123456

and then modify the ip access. The default is local access. To allow other hosts to access, we modify bind to 0.0.0.0

Configure redis to start the background service, modify the daemonize item, the default is no, here change to yes is the background startup mode

6. Start the redis service

Execute /opt/redis/bin/redis-server /opt/redis/etc/redis.conf in the terminal. For convenience, we can write an sh script. After execution, we telnet 6379 and find that it has been started.

Use ps -ef | grep redis to check whether redis is started.

Use netstat -lntp | grep 6379 to check whether redis is started. If Yes LISTEN, indicating that the startup is normal and port 6379 is in the listening state

7. Use the RedisPlus client to connect to redis

Download and install the RedisPlus client End program, click to open and add connection information:

Then double-click the connection, we see that the connection is successful:

View redis data, information, configuration, etc. For the specific use of RedisPlus, see https://gitee.com/MaxBill/RedisPlus

What is a Linux system

Linux is a UNIX-like operating system that is free to use and spread freely. It is a multi-user, multi-task, multi-thread and multi-CPU operating system based on POSIX. Linux can run major Unix tool software, applications and networks. protocol.

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