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+++ title = "Installing Redis" layout = "howto" hidden = true tags = ["http", "redis", "site"] +++

Redis is an in-memory data structure store.

Here is a guide to installing it on the Public Cloud.

{{% notice info %}} For Private Cloud users Redis can be [installed at server level]({{< ref "databases/redis">}}). {{% /notice %}}

In our example, we use the [SSH access]({{< ref "remote-access/ssh" >}}) and consider the following information:

  • Account name: foo
  • Redis directory: $HOME/redis/
  • Port: 8300 (ports between 8300 and 8499 can be used)

{{% notice note %}} [foo] must be replaced by the accurate account name. {{% /notice %}}

Installation

foo@ssh:~/redis$ wget -O- https://download.redis.io/redis-stable.tar.gz | tar -xz --strip-components=1
foo@ssh:~/redis$ make

Service launch

Create the following [service]({{< ref "services" >}}):

  • Command: ./src/redis-server --bind :: --port 8300 --protected-mode no
  • Monitoring command: ./src/redis-cli -h services-[foo].alwaysdata.net -p 8300 ping
  • Working directory : /home/[foo]/redis

More options via $HOME/redis/src/redis-cli -h.

The next step is to configure the application to connect to Redis using services-[foo].alwaysdata.net and port 8300.

  • [Install the PHP extension]({{< ref "databases/redis/php" >}})

Authentication

By default anyone can connect to Redis; there is no security. An authentication can be set up. In the following example, we will provide a password ([password]) to the default user.

foo@ssh:~/redis$ ./src/redis-cli -h services-[foo].alwaysdata.net -p 8300
services-[foo].alwaysdata.net:8300> ACL LIST
1) "user default on nopass sanitize-payload ~* &* +@all"

services-[foo].alwaysdata.net:8300> ACL SETUSER default on >[password]

services-[foo].alwaysdata.net:8300> ACL LIST
1) "user default on sanitize-payload #1ccc91f99d0c4c7a24e77941b18c0339ecb3eaf5ad7ae9ad816a7e69d83b69db ~* &* +@all"

services-[foo].alwaysdata.net:8300> AUTH default [password]
OK

[ACL LIST](https://redis.io/commands/acl-list/) lists the users and gives information about the users' rights. [ACL SETUSER](https://redis.io/commands/acl-setuser/) creates or modifies users.