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How to install Redis gracefully in CentOS 7?
Home Operation and Maintenance CentOS How to install redis in centos7

How to install redis in centos7

Apr 14, 2025 pm 08:21 PM
redis centos Internet problem

Download the source code package from the official Redis source to compile and install, ensuring the latest and stable version, and can be customized in a personalized manner. The specific steps are as follows: Update the software package list and create the Redis directory. Download the Redis source code package. Decompress the source code package. Compile the installation configuration and modify the Redis configuration. Start Redis to check the startup status.

How to install redis in centos7

How to install Redis gracefully in CentOS 7?

Many friends asked me how to install Redis on CentOS 7. In fact, this is not complicated, but to install it elegantly, you have to pay attention to some tricks. Install it directly with yum? Too rough! Think about it, if the version is too old or depends on conflict, wouldn’t it be crazy? So, we have to take a safer path.

First of all, you have to understand that Redis is not a monster, it is just an in-memory database, fast speed and high efficiency, suitable for caching, message queues and other scenarios. Once you understand its function, you will be more confident when installing it.

Next, let’s take a look at the system environment to ensure that your CentOS 7 network is smooth and can access the external network. This is important because we need to download the installation package from the official Redis source. If your system is hard to connect to the Internet, then it is better to solve the network problem first. This article will not help you.

Then, the main show. It is convenient to use yum directly, but the Redis version it provides may not be the latest and may lack some features. Therefore, I recommend downloading the source code package from the official source to compile and install it. Although this has a few more steps to operate, it can ensure that the installed Redis is the latest and most stable version, and can be customized according to your own needs, such as modifying configuration files, etc.

The specific operation is as follows. I use a more "personal style" writing method, and there are fewer comments written because I think good code itself should be clear and easy to understand and does not require too much explanation:

 <code class="bash"># 更新系统软件包列表,这步是必须的yum update -y # 创建一个目录用来存放Redis mkdir -p /usr/local/redis # 下载Redis 源码包,记得替换成最新的版本号wget http://download.redis.io/releases/redis-6.2.6.tar.gz # 解压源码包tar -xzvf redis-6.2.6.tar.gz # 进入解压后的目录cd redis-6.2.6 # 编译安装,这一步需要用到gcc编译器,没有的话先安装make # 安装Redis 到我们之前创建的目录make install PREFIX=/usr/local/redis # 配置Redis,复制配置文件cp redis.conf /usr/local/redis/etc/ # 修改配置文件,根据你的实际需求修改,比如绑定IP地址,设置密码等等# 记住,安全第一! 一定要设置密码! vi /usr/local/redis/etc/redis.conf # 启动Redis /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf # 检查是否启动成功ps aux | grep redis</code>

How about it, isn’t it much more elegant than using yum directly? This is just the most basic installation, and you can also make more complex configurations according to your needs, such as cluster deployment, sentinel mode, etc. These contents are more advanced and require you to have a deeper understanding of Redis.

Here are a few more things to note:

  • Firewall: After installation is completed, remember to open the Redis port (default is 6379), otherwise it will not be accessible from the outside. Don't forget to use firewall-cmd to operate the firewall.
  • Security: Be sure to set a password! Never expose Redis to the public network, otherwise you will be responsible for the consequences. Also, back up data regularly!
  • Monitoring: Install some monitoring tools to facilitate monitoring of Redis's operating status and discover problems in a timely manner.

Finally, remember that programming is a craft. Only by practicing more and thinking more can you become a real "big bull". Don't be afraid to try, don't be afraid of failure, start with a simple installation and gradually deepen, and you can master more skills. I wish you a smooth installation!

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