How to Install Koel Music Streaming Server on CentOS 7

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Koel is an open source personal music streaming application. Koel is a web-based service and written in Vae on the client side and Laravel on the server side. It provides an easy to use web-based interface to stream the music stored in readable directories of the server. The interface is fully responsive thus can be used flawlessly on any type of modern browser.

In this tutorial, we will be installing Koel on CentOS 7. We will also install all the required dependencies which include Apache, PHP 5.6, Node.js, and MariaDB.

Requirements

Koel can be installed on systems with at least 1GB of RAM, but the requirement of RAM increases as the number of users increases. You will also need a minimal installation of CentOS 7 with root access on it. If you are logged in as a non-root user, you can run sudo -i to switch to root user.

Installing Koel

Before installing any package it is recommended that you update the packages and repository using the following command.

yum -y update

Once you have your system updated, run the following command to install few packages on your server.

yum -y install httpd mariadb-server mariadb git

The above command will install the Apache web server with MariaDB database server and Git. Now you will need to install PHP. You can install any version of PHP > 5.5. In this tutorial, we will be installing PHP 5.6. PHP 5.6 is not included in default YUM repository, hence you will need to enable additional webtatic repository. Webtatic repository needs the EPEL repository.

yum -y install epel-release

yum -y update

Now install the Webtatic repository using the following commands.

rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm

yum -y update

yum clean all

To install PHP 5.6 and all the required PHP modules, run the following command.

yum -y install php56w php56w-cli php56w-gd php56w-mysql php56w-mcrypt php56w-pear php56w-curl php56w-mbstring

You can check the installed version of PHP using following command.

php -v

You should get following output.

[root@lipatn ~]# php -v PHP 5.6.29 (cli) (built: Dec 10 2016 12:42:43) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies

Once PHP is installed, you will need to configure few thing in php.ini configuration. Open /etc/php.ini using your favorite editor.

nano /etc/php.ini

If you do not have nano installed, you can install it using yum -y install nano . Scroll down to find the following lines.

; Maximum amount of memory a script may consume (128MB) ; http://php.net/memory-limit memory_limit = 128M

You can increase the memory_limit to a higher amount so that the processing of PHP can also be done faster.

You will also need to Enable Mod_rewrite by editing /etc/httpd/conf/httpd.conf using your favorite text editor.

nano /etc/httpd/conf/httpd.conf

Find the following line under <Directory "/var/www/html"> block.

AllowOverride None

Change it to AllowOverride All .

Now install Composer using the following command. Composer is a dependency manager for PHP.

curl -sS https://getcomposer.org/installer | php

mv composer.phar /usr/bin/composer

Now install the latest version of Node.js from the nodesource repository. Run the following command for same.

curl --silent --location https://rpm.nodesource.com/setup_6.x | bash -

yum -y install nodejs

You can also choose to install Yarn, run the following command for to do so.

wget https://dl.yarnpkg.com/rpm/yarn.repo -O /etc/yum.repos.d/yarn.repo

yum -y install yarn

To start the Apache web server and enable it to start at boot time, run the following command.

systemctl start httpd

systemctl enable httpd

Start MariaDB and enable it to start at boot time using the following commands.

systemctl start mariadb

systemctl enable mariadb

Now run the following command to secure your MariaDB installation.

mysql_secure_installation

It will run a small script which asks you to provide the root password for MariaDB. As we have just installed MariaDB, the root password is not set, just press enter to proceed further. It will ask you if you want to set a root password for your MariaDB installation, choose y and set a strong password for the installation. It will further ask you for removing test databases and anonymous users. Most of the questions are self-explanatory and you should answer yes or y to all the questions.

Now you will need to create a database with database user to store Koel data. To create a database we will need to login to MySQL command line first. Run the following command for same.

mysql -u root -p

This will prompt you for the root password, provide the root password of MySQL which you have set earlier. Now run the following query to create a new database for your Koel installation.

CREATE DATABASE koel_data;

The above query will create a database named koel_data . For the database, you can use any name you prefer in the place of koel_data . Make sure that you use a semicolon at the end of each query as the query always ends with a semicolon. Once the database is created you can create a new user and grant all the permissions to the user for the database. To create a new database user, run the following query.

CREATE USER 'koel_user'@'localhost' IDENTIFIED BY 'StrongPassword';

The above query will create a user with username koel_user . You can use any preferred username instead of koel_user . Replace StrongPassword with a strong password. Now provide the appropriate privileges to your database user over the database you have created. Run the following command:

GRANT ALL PRIVILEGES ON koel_data.* TO 'koel_user'@'localhost';

Now run the following command to immediately apply the changes on the database privileges.

FLUSH PRIVILEGES;

Exit MySQL prompt by executing exit command.

Now install Koel, by cloning the repository on your system.

cd /var/www/html

git clone https://github.com/phanan/koel.git .

Now install Koel using the following command.

npm install

The above command will install npm dependencies.

composer install

The above command will install all the PHP dependencies.

Now you will need to edit the .env file, run the following command for the same.

nano /var/www/html/.env

A the start of the file, you will see following lines.

# Database connection name, which corresponds to the database driver. # Possible values are: # mysql (MySQL/MariaDB - default) # pgsql (PostgreSQL) # sqlsrv (Microsoft SQL Server) DB_CONNECTION= DB_HOST= DB_DATABASE= DB_USERNAME= DB_PASSWORD=

Provide mysql in DB_CONNECTION= as we are using MariaDB which is a fork of MySQL. Provide 127.0.0.1 in DB_HOST= . Next, provide the database name, username, and database password, which we have created earlier. Finally, it should look like shown below.

DB_CONNECTION=mysql DB_HOST=127.0.0.1 DB_DATABASE=koel_data DB_USERNAME=koel_user DB_PASSWORD=StrongPassword

Next, you will need to provide the initial admin details, once done it should look like this.

ADMIN_EMAIL=liptanbiswas@gmail.com ADMIN_NAME=Liptan ADMIN_PASSWORD=StrongPassword

Once the .env file has been populated, run the following command to initialize the Koel database.

php artisan koel:init

Now you will need to disable your SELinux because MyBB does not work with SELinux policies. To temporary disable SELinux, run the following command.

setenforce 0

To completely disable the SELinux you will need to edit /etc/selinux/config file.

nano /etc/selinux/config

If you don't have nano installed, you can install it using yum -y install nano Find the following line:

SELINUX=enforcing

Change it to:

SELINUX=disabled

Now you will need to reboot your server so that the new configuration can take effect. Once the server is rebooted, you will need to provide the ownership of the application to web server user using the following command.

chown -R apache:apache /var/www/html

Now you can go to the following URL to browse the Koel interface using your favorite browser.

http://YourServerIP

You will see the login interface. You can log in using the admin email and password which you have provided in .env file during installation.

To scan music files stored on the server, run the following command.

php artisan koel:sync

It will scan and add all the music files stored on the server.

Conclusion

In this tutorial, we have learned how to install Koel Music Streaming Server in your CentOS 7 server. You can now listen to the songs on any device having a web browser.