LibreNMS is a free and powerful auto-discovering network monitoring system that is capable of monitoring devices in real-time. It provides an easy-to-use interface, along with advanced features such as alerting, automated discovery, and billing. In this tutorial, we will show you how to install LibreNMS on POP! OS Latest.
First, update your system packages to the latest version by running the following commands:
sudo apt update
sudo apt upgrade
Next, install the required dependencies:
sudo apt install apache2 php7.4 php7.4-cli php7.4-mysql php7.4-curl php7.4-gd php7.4-snmp php7.4-mbstring snmp fping mariadb-server mariadb-client libapache2-mod-php7.4 rrdtool composer
Create a new database and set up the user account by running the following commands:
sudo mysql -u root -p
Enter your MySQL root password when prompted, and then create a new database named librenms:
CREATE DATABASE librenms CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER 'librenms'@'localhost' IDENTIFIED BY 'your-password';
GRANT ALL PRIVILEGES ON librenms.* TO 'librenms'@'localhost';
FLUSH PRIVILEGES;
exit;
Remember to replace your-password with a strong password of your choice.
Now, create a new virtual host for LibreNMS by creating a new Apache configuration file.
sudo nano /etc/apache2/sites-available/librenms.conf
Add the following lines to the file:
<VirtualHost *:80>
ServerAdmin admin@example.com
ServerName librenms.example.com
DocumentRoot /opt/librenms/html/
CustomLog /var/log/apache2/librenms-access_log combined
ErrorLog /var/log/apache2/librenms-error_log
<Directory "/opt/librenms/html/">
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
Remember to replace admin@example.com with your email address and librenms.example.com with your own domain name.
Enable the virtual host and restart Apache:
sudo a2ensite librenms
sudo systemctl restart apache2
Download the latest release from the LibreNMS website:
cd /opt
sudo wget https://github.com/librenms/librenms/archive/refs/tags/21.11.0.tar.gz
sudo tar zxvf 21.11.0.tar.gz
sudo mv librenms-21.11.0 librenms
Update the permissions with the following command:
sudo chown -R librenms:librenms /opt/librenms
Install the required packages:
cd /opt/librenms
sudo ./scripts/composer_wrapper.php install --no-dev
Next, run the following command to configure LibreNMS:
sudo cp /opt/librenms/.env.example /opt/librenms/.env
sudo nano /opt/librenms/.env
Update the following lines in the .env file with the appropriate values:
DB_HOST=localhost
DB_DATABASE=librenms
DB_USERNAME=librenms
DB_PASSWORD=<your-password>
Save and close the file.
Run the following command to initialize the database:
sudo /opt/librenms/daily.sh
Configure SNMP for LibreNMS by editing the SNMP configuration file:
sudo nano /etc/snmp/snmpd.conf
Uncomment the following lines:
rocommunity public 127.0.0.1
rocommunity public <ip-of-server>
Replace <ip-of-server> with the IP address of your server. Save and close the file.
Restart the SNMP service to apply the changes:
sudo systemctl restart snmpd
Once everything is set up, you can access the LibreNMS web interface at http://librenms.example.com (replace librenms.example.com with your domain name). Log in using the default credentials:
adminadminYou should change this password as soon as possible.
That's it! You now have LibreNMS up and running on POP! OS Latest. You can now start monitoring your network devices in real-time using this powerful tool.
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