Redis download and install

The following column Redis Tutorial will introduce you to the specific steps of Redis download and Redis installation. I hope it will be helpful to friends in need!

Redis Download and Install

Redis has an active community on GitHub. Over the years, a large number of pull requests have been raised and merged, and the author Antirez always provides timely responses in the issues section of GitHub. Therefore, the release cycle of Redis is very fast. They are widely used from the early versions 2.6/2.8 to 3.0/3.2 to the latest 4 versions. Each version provides some basic enhancements and bugfixes. Therefore, it is one of the best practices to use the latest version of Redis if possible.

In this book, we use the latest version of Redis 4.0.1.

Redis is an open software written in pure C language, so we can install it by compiling. Major operating systems also include Redis binary packages in their software repositories, although the Redis versions are often out of date.

1: Prepare!

You can find the download link and basic installation steps at https://redis.io/download. If you want to build Redis by compiling source code in Linux/Unix/macOS, you need the gcc compiler and the C standard library libc in your environment. When installing the OS repository, all you need is an Internet connection and the correct repository configuration.

2: How to do it?

We will demonstrate the compilation and installation of Redis in Ubuntu 16.04.2 LTS (Xenial Xerus). The download and build steps are as follows:

Set up the build tool:

$ sudo apt-get install build-essential

Create a directory and enter Redis:

$ mkdir /redis 
$ cd /redis

Then, download Redis:

$ wget http://download.redis.io/releases/redis-4.0.1.tar.gz

Solution Zip and enter the directory:

$ tar zxvf redis-4.0.1.tar.gz 
$ cd redis-4.0.1

Create a directory for the Redis configuration file and copy the default configuration file into it:

$ mkdir /redis/conf 
$ cp redis.conf /redis/conf/

Establish dependencies:

$ cd deps 
$ make hiredis lua jemalloc linenoise 
$ cd ..

Note

Due to differences between the various operating systems and libraries installed on them, the above steps will be required when an error occurs indicating that something is not met. For example, you may encounter the error message: zmalloc.h:50:31: fatal error: jemalloc/jemalloc.h: No such file or directory. For most environments, this step is not necessary if there are no issues with the dependencies in question. .

Compiling:

$ make

If all goes well, the following message will be displayed. This means that the compilation was completed successfully:

It's a good idea to run 'make test' ;) 
make[1]: Leaving directory '/redis/redis-4.0.1/src'

Installing Redis:

$ make PREFIX=/redis install

The following message means that the installation was successful:

Enter the /redis directory and verify that the Redis binary has been generated:

$ ls /redis/bin 
redis-benchmark  redis-check-aof  redis-check-rdb  redis-cli  redis-sentinel  redis-server

Congratulations! You have completed the compilation and installation of Redis.

Compared with compiling and installing, apt-get is much easier to install Redis in Ubuntu. Let’s take a look:

First, update the software repository index:

$ sudo apt-get update

Then start the installation:

$ sudo apt-get install redis-server

Once completed, check if Redis is set up in your environment :

$ which redis-server

Three: How does this work?

When choosing a Redis version, remember that Redis follows standard versioning conventions, which is the major.minor.patch level. Even-numbered minors represent stable versions, while odd-numbered minors represent unstable versions, although some versions of Redis use odd-numbered minors.

The difference between building Redis by compiling and building from a software repository is that the former can add optimization or debugging options at compile time and also has the flexibility to specify the installation location during the installation process.

After installation, there are some executable files in the bin directory. Their descriptions and instructions are shown in the table below:

Four: And more!

For Windows, you can get the Redis version for Windows, which is maintained by the Microsoft Open Technologies group:

https://github.com/MicrosoftArchive/redis/releases .

Simply download the .msi executable file and double-click to install, keeping the default configuration.

For macOS, the process is not much different than in Linux. You can also install Redis by issuing the brew install redis command on macOS.

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