Install Polr on Ubuntu 18.04 Print

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Introduction

Polr is a free and open-source link shortener written in PHP and Lumen. It allows you to quickly host your own URL shortener. It's significant features include a management dashboard, detailed link analytics, and an API. This tutorial will guide you through the process of installing Polr on Ubuntu 18.04 LTS.

Prerequisites

This tutorial requires a Rcs Cloud Compute instance with Ubuntu 18.04 LTS and root access, as well as a valid domain name pointing to your server.

Install Apache

Polr requires a web server, a MySQL database, and PHP. For this tutorial we will be using the Apache web server.

Update the repository list.

apt-get update

Install the Apache webserver.

apt-get install apache2 -y

Disable the default Apache site configuration and delete the default Apache index.html file.

a2dissite 000-default.conf
rm /var/www/html/index.html

Create a new Apache configuration file for the Polr installation.

nano /etc/apache2/sites-available/polr.conf

Paste the following snippet into the newly created file, replacing example.com with your own domain name.

<VirtualHost *:80>
    ServerName example.com
    ServerAlias example.com
    DocumentRoot "/var/www/html/public"
    <Directory "/var/www/html/public">
        Require all granted
        Options Indexes FollowSymLinks
        AllowOverride All
        Order allow,deny
        Allow from all
    </Directory>
   ErrorLog ${APACHE_LOG_DIR}/error.log
   CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

Enable the configuration.

a2ensite polr.conf

Polr requires Apache's mod_rewrite enabled. Enable the Apache rewrite module.

a2enmod rewrite

Restart the Apache service.

systemctl restart apache2.service

Install PHP

Polr requires PHP and a number of PHP modules.

apt-get install php php-pdo php-mysql php-mbstring php-tokenizer php-json php-curl -y

Install MySQL & Create a Database

Polr stores data in an SQL database. Install the MySQL server.

apt-get install mysql-server -y

Secure the MySQL installation by running the provided script.

mysql_secure_installation

When prompted for a root password, choose a safe password and proceed through the installation.

Would you like to setup VALIDATE PASSWORD plugin? [Y/N] N
New password: <Your Password>
Re-enter new password: <Your Password>
Remove anonymous users? [Y/N] Y
Disallow root login remotely? [Y/N] Y
Remove test database and access to it? [Y/N] Y
Reload privilege tables now? [Y/N] Y

Login to the MySQL console.

mysql -u root -p

When asked for a password, enter the root password created earlier. Once you are logged in to the console, create a new database for Polr.

mysql>CREATE DATABASE polr;

Create a new database user and grant it privileges to the created database. You can replace username and password with the username and password of your choice.

mysql>GRANT ALL PRIVILEGES on polr.* to 'username'@'localhost' identified by 'password';
mysql>FLUSH PRIVILEGES;

Exit the MySQL console.

mysql>exit

Install Polr

Clone the Polr repository from Github.

cd /var/www/html
git clone https://github.com/cydrobolt/polr.git --depth=1

Move the downloaded files to the root of the webserver.

mv ./polr/.[!.]* . && mv ./polr/* . && rm -rf polr

Composer is required to install dependencies. Download the Composr package and install the unzip module used by it.

curl -sS https://getcomposer.org/installer | php
apt-get install unzip -y

Install the dependencies with Composer.

php composer.phar install --no-dev -o

Copy the provided configuration file to enable the web-based installer.

cp .env.setup .env

Set the appropriate file permissions.

chown -R www-data:www-data /var/www/html/
chmod -R 755 /var/www/html/

Complete the installation

Navigate to example.com/setup to launch the web-based Polr installer and enter the required information. Use the MySQL credentials created earlier for database configuration. Once you have submitted the setup form, the Polr installation will be completed.

Introduction Polr is a free and open-source link shortener written in PHP and Lumen. It allows you to quickly host your own URL shortener. It's significant features include a management dashboard, detailed link analytics, and an API. This tutorial will guide you through the process of installing Polr on Ubuntu 18.04 LTS. Prerequisites This tutorial requires a Rcs Cloud Compute instance with Ubuntu 18.04 LTS and root access, as well as a valid domain name pointing to your server. Install Apache Polr requires a web server, a MySQL database, and PHP. For this tutorial we will be using the Apache web server. Update the repository list. apt-get update Install the Apache webserver. apt-get install apache2 -y Disable the default Apache site configuration and delete the default Apache index.html file. a2dissite 000-default.conf rm /var/www/html/index.html Create a new Apache configuration file for the Polr installation. nano /etc/apache2/sites-available/polr.conf Paste the following snippet into the newly created file, replacing example.com with your own domain name. ServerName example.com ServerAlias example.com DocumentRoot "/var/www/html/public" Require all granted Options Indexes FollowSymLinks AllowOverride All Order allow,deny Allow from all ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined Enable the configuration. a2ensite polr.conf Polr requires Apache's mod_rewrite enabled. Enable the Apache rewrite module. a2enmod rewrite Restart the Apache service. systemctl restart apache2.service Install PHP Polr requires PHP and a number of PHP modules. apt-get install php php-pdo php-mysql php-mbstring php-tokenizer php-json php-curl -y Install MySQL & Create a Database Polr stores data in an SQL database. Install the MySQL server. apt-get install mysql-server -y Secure the MySQL installation by running the provided script. mysql_secure_installation When prompted for a root password, choose a safe password and proceed through the installation. Would you like to setup VALIDATE PASSWORD plugin? [Y/N] N New password: Re-enter new password: Remove anonymous users? [Y/N] Y Disallow root login remotely? [Y/N] Y Remove test database and access to it? [Y/N] Y Reload privilege tables now? [Y/N] Y Login to the MySQL console. mysql -u root -p When asked for a password, enter the root password created earlier. Once you are logged in to the console, create a new database for Polr. mysql>CREATE DATABASE polr; Create a new database user and grant it privileges to the created database. You can replace username and password with the username and password of your choice. mysql>GRANT ALL PRIVILEGES on polr.* to 'username'@'localhost' identified by 'password'; mysql>FLUSH PRIVILEGES; Exit the MySQL console. mysql>exit Install Polr Clone the Polr repository from Github. cd /var/www/html git clone https://github.com/cydrobolt/polr.git --depth=1 Move the downloaded files to the root of the webserver. mv ./polr/.[!.]* . && mv ./polr/* . && rm -rf polr Composer is required to install dependencies. Download the Composr package and install the unzip module used by it. curl -sS https://getcomposer.org/installer | php apt-get install unzip -y Install the dependencies with Composer. php composer.phar install --no-dev -o Copy the provided configuration file to enable the web-based installer. cp .env.setup .env Set the appropriate file permissions. chown -R www-data:www-data /var/www/html/ chmod -R 755 /var/www/html/ Complete the installation Navigate to example.com/setup to launch the web-based Polr installer and enter the required information. Use the MySQL credentials created earlier for database configuration. Once you have submitted the setup form, the Polr installation will be completed.

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