Hamsa K
5 min read | 3 years ago

How to Install and Configure Redis Server on Centos 7

Install and configure Redis server on centos 7

Redis is an open-source in-memory data structure store. Redis can be used as a database, caching purpose  and supports various data structures such as strings, Hashes, Lists, sets, sorted sets, hyperlogs, bitmaps, streams etc.In this tutorial we will see how to install and configure redis on centos 7 server

Step 1: Install and enable Remi repo

we will add remi repository to install latest redis package. Before installing redis we need to install epel repository with following command.

Also Read -> How to install and enable Remi repo in centos 7

[root@localhost ~]# yum install epel-release yum-utils

Now add and enable remi repository 

[root@localhost ~]# yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
[root@localhost ~]# yum-config-manager --enable remi
[root@localhost ~]# yum repolist enabled

once remi repo is installed you can install redis like below

[root@localhost ~]# yum install redis

Now start and enable it to autostart on system boot

[root@localhost ~]# systemctl start redis
[root@localhost ~]# systemctl enable redis
[root@localhost ~]# systemctl status redis

you can check redis service with status command or netstat

[root@localhost ~]# netstat -antp | grep redis
tcp        0      0*               LISTEN      1519/redis-server 1 

 Redis server is up and running on your system with default TCP port 6379.

We hope you are following "How to Install and Configure Redis Server on Centos 7" step by step carefully. The remaining steps will help you to finish the upgrade process..

Also Read -> How to Install and Configure NFS on Centos 7

Step 2: configure redis Remote access

By default, you can not access Redis from another host because its by default bound to localhost only.if you want to connect to your Redis server from remote hosts then perform below step.

open redis.conf file

[root@localhost ~]# vi /etc/redis.conf

you can find the line that starts with bind and add your server IP address after Then save and close the file.It's recommended to use the internal private ip for your Redis installation and don't use the public ip due to security issue.


Replace your server ip in above step.

To take changes effect, restart Redis server by running below command

[root@localhost ~]# systemctl restart redis

If firewall service is running on your system then you have to configure rules

you can create a zone as redis 

[root@localhost ~]# firewall-cmd --new-zone=redis --permanent

Add rule to open port 6379 

[root@localhost ~]# firewall-cmd --zone=redis --add-port=6379/tcp --permanent

Next, specify any private IP addresses which should be allowed to pass through the firewall and access Redis.

[root@localhost ~]# firewall-cmd --permanent --zone=redis --add-source=clientserver_private_IP

After running those commands, reload the firewall to effect the new rules

[root@localhost ~]# firewall-cmd --reload

Step 3: Testing

use redis-cli tool to verify the connection

Also Read -> How to Install and Configure VNC Server in Centos 7

[root@localhost ~]# redis-cli> ping
PONG> set myname "lampblogs"
OK> get myname
"lampblogs"> exit

Now you have successfully installed and configure redis server on centos 7.

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