Brew Redis Start

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Introduction

$ brew update $ brew install redis Start the service $ brew services start redis Ping in order to see if it is running properly $ redis-cli ping PONG Another option is to enter to the prompt and run commands from there $ redis-cli 127.0.0.1:6379 ping PONG To stop the service run: $ brew services stop redis Redis configuration file.

Redis is an in-memory key-value store that can execute millions of requests per second for running real-time applications. While the program can be used as a cache or message broker, Redis is most often used as a database. It supports basic and advanced data structures from strings, list and sets to geospatial indexes. The Redis CLI, an acronym for command line interface, is a straightforward program that allows users to communicate with Redis directly from the terminal. This tutorial will provide an overview and instructions on how to use the Redis CLI.

  • Brew services start redis And stop it. Brew services stop redis If you don't want/need a background service you can just run: redis-server.
  • Loading a plist tells the program it represents (e.g. Redis) to start at login, while unloading it tells the program not to start at login. This post-install message from Homebrew may look familiar.
  • What result do you see? PONG – great, redis is working and ready. Could not connect to Redis at 127.0.0.1:6379: Connection refused – this means that: (1) you did not install redis correctly, (2) redis is not running, or (3) the system service did not start (check with sudo systemctl status redis).
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Prerequisites

  • Redis must be properly installed and configured on the local device. Executing the sudo systemctl status redis command in Linux distros that use systemd will display the current status of the Redis database on the local machine.

Install Redis

Install Redis on machines having a Windows or Mac OS by downloading the file here. Homebrew on Mac OS can also be used to install Redis.

Brew Redis Start

Install Redis on Linux

For Debian-based Linux distros, such as Ubuntu or Linux Mint, execute the following APT-GET Update command on the local machine to get the current version of Redis:

Brew redis start download
sudoapt-get update

Once updated, execute the following command to install Redis:

Now execute the following command to set Redis to run automatically on the local machine:

sudo systemctl enable redis-server

Brew Redis Start Up Menu

Install Redis using Homebrew

To install Redis on a Mac OS with the Homebrew package manager, first update the package to get the latest version of the Redis database. Once the update is completed, then execute the following command to install the updated package:

After installation, execute the following command to start the database:

brew services start redis

Now execute the following command to have Redis continually run in the background:

Now use the Redis-command line interface to confirm the program is working properly:

Brew Redis Start Download

redis-cli
127.0.0.1:6379>ping
PONG

Redis command line usage

Redis use a straightforward command-line interface to provide features that can work around database functionality and other issues.

Begin by executing the following command to create a connection:

linux@linux-NECq:~$ redis-cli -h 127.0.0.1 -p6379-a mypassword

NOTE: The -a option will perform the authentication of the password.

Brew start redis

The next two examples will cover two of the basic commands in the Redis command-line interface.

This first example uses the INCR operator:

linux@linux-NECq:~$ redis-cli incr count
(integer)3

Here the function displays an integer value of 3, but it can also be used to list the returned value of a string, arrays, the null or any errors.

The next example will create an output of the Redis CLI in a file that is readable to humans:

Start

Install Redis on Linux

For Debian-based Linux distros, such as Ubuntu or Linux Mint, execute the following APT-GET Update command on the local machine to get the current version of Redis:

sudoapt-get update

Once updated, execute the following command to install Redis:

Now execute the following command to set Redis to run automatically on the local machine:

sudo systemctl enable redis-server

Brew Redis Start Up Menu

Install Redis using Homebrew

To install Redis on a Mac OS with the Homebrew package manager, first update the package to get the latest version of the Redis database. Once the update is completed, then execute the following command to install the updated package:

After installation, execute the following command to start the database:

brew services start redis

Now execute the following command to have Redis continually run in the background:

Now use the Redis-command line interface to confirm the program is working properly:

Brew Redis Start Download

redis-cli
127.0.0.1:6379>ping
PONG

Redis command line usage

Redis use a straightforward command-line interface to provide features that can work around database functionality and other issues.

Begin by executing the following command to create a connection:

linux@linux-NECq:~$ redis-cli -h 127.0.0.1 -p6379-a mypassword

NOTE: The -a option will perform the authentication of the password.

The next two examples will cover two of the basic commands in the Redis command-line interface.

This first example uses the INCR operator:

linux@linux-NECq:~$ redis-cli incr count
(integer)3

Here the function displays an integer value of 3, but it can also be used to list the returned value of a string, arrays, the null or any errors.

The next example will create an output of the Redis CLI in a file that is readable to humans:

linux@linux-NECq:~$ redis-cli incr count >/tmp/output.txt
linux@linux-NECq:~$ cat/tmp/output.txt
4

Here the INCR key operation causes the integer value to increase incrementally. Note the value is shown in the output, and not in the terminal. However, executing the following --raw option will force the output to display on the terminal:

Redis host and password

The Redis command-line interface can be used to change the default value of Redis to the default host 127.0.0.1 and the default port 6379. This will permit an easier connection to the server to Redis.

Brew Redis Start Up Kit

The next example shows how to connect to and use the Redis instance in the command line:

linux@linux-NECq:~$ redis-cli -h 127.0.0.1 -p6379-a mypassword ping
PONG

Now execute the INCR key function, covered earlier, to produce the values that will be inserted into five rows of data:

linux@linux-NECq:~$ redis-cli -r5 incr count
(integer)6
(integer)7
(integer)8
(integer)9
(integer)10

Now execute the following operation to confirm the status of the Redis database was properly set:

linux@linux-NECq:~$ redis-cli -h 127.0.0.1 -p6379-a mypassword --stat
------- data --------------------------- load -------------------- - child -
keys mem clients blocked requests connections
36 887.05K 405315(+0)6
36 887.02K 405317(+2)6
36 887.02K 405321(+4)6
36 887.02K 405323(+2)6
36 887.05K 405326(+3)6
36 887.02K 405328(+2)6
36 887.05K 405331(+3)6
36 887.02K 405333(+2)6
36 887.05K 405336(+3)6
36 887.02K 405338(+2)6
36 887.05K 405341(+3)6
36 887.02K 405343(+2)6
36 887.05K 405347(+4)6
36 887.02K 405349(+2)6
36 923.04K 405352(+3)6
36 887.02K 405354(+2)6
36 923.02K 405356(+2)6
36 923.02K 405359(+3)6
36 887.02K 405360(+1)6
36 887.05K 405363(+3)6

Brew Redis Restart

This gives an overview of how many of the keys are set in the Redis database, the total memory usage and generates an overall view of Redis, as a whole.

Brew Services Start Redis

Conclusion

Brew Redis Start Up Instructions

This tutorial provided a basic overview of how to use the Redis CLI. The tutorial explained how to install Redis on machines with Windows and Mac OS, Debian-based Linux distros and how to use Homebrew to install Redis on Mac. The article also covered how to start the database and set Redis to continually run in the background. The tutorial then explained how to use the Redis command-line interface to confirm the program is working, how to change the default value of Redis for easier connection and then how to confirm that the status of the Redis database was properly set. Remember that the INCR key operation will causes the integer value to increase incrementally, but the value is not displayed in the terminal unless the --raw option is used.





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