What is LibreNMS?
LibreNMS is a popular open-source network monitoring and logging tool designed to provide real-time insights into network performance and health. It offers a comprehensive set of features to monitor, manage, and troubleshoot networks, making it an ideal solution for network administrators and engineers. LibreNMS is built on top of PHP and MySQL, making it scalable and flexible to meet the needs of large and complex networks.
Main Features of LibreNMS
Some of the key features of LibreNMS include:
- Network discovery and mapping
- Device monitoring and alerting
- Performance monitoring and graphing
- Log collection and analysis
- Reporting and dashboards
Installation Guide
Prerequisites
Before installing LibreNMS, ensure that your system meets the following requirements:
- PHP 7.2 or higher
- MySQL 5.6 or higher
- A web server (Apache or Nginx)
Step-by-Step Installation
Follow these steps to install LibreNMS:
- Install the required packages:
sudo apt-get install php7.2 php7.2-mysql mysql-server - Download the LibreNMS source code:
wget https://github.com/librenms/librenms/archive/master.zip - Extract the source code:
unzip master.zip - Configure the database:
mysql -u root -p librenms < sql/schema.sql - Configure the web server:
sudo nano /etc/apache2/sites-available/librenms.conf - Restart the web server:
sudo service apache2 restart
Technical Specifications
System Requirements
LibreNMS can run on a variety of systems, including:
- Ubuntu 18.04 or higher
- Debian 9 or higher
- CentOS 7 or higher
Database Support
LibreNMS supports the following databases:
- MySQL
- PostgreSQL
- SQLite
Pros and Cons
Pros
Some of the advantages of using LibreNMS include:
- Open-source and free
- Highly customizable
- Scalable and flexible
- Large community support
Cons
Some of the disadvantages of using LibreNMS include:
- Steep learning curve
- Requires technical expertise
- Resource-intensive
Audit-Ready Logging with LibreNMS
What is Audit-Ready Logging?
Audit-ready logging refers to the process of collecting and storing log data in a way that is compliant with regulatory requirements and industry standards. LibreNMS provides a range of features to support audit-ready logging, including:
- Log collection and storage
- Log analysis and reporting
- Log encryption and integrity checks
Configuring Audit-Ready Logging in LibreNMS
Follow these steps to configure audit-ready logging in LibreNMS:
- Enable log collection:
sudo nano /etc/librenms/config.php - Configure log storage:
sudo nano /etc/librenms/logs.php - Enable log encryption:
sudo nano /etc/librenms/encryption.php
FAQ
What is the difference between LibreNMS and Nagios?
LibreNMS and Nagios are both network monitoring tools, but they have distinct differences in terms of features, scalability, and cost.
How do I upgrade LibreNMS?
To upgrade LibreNMS, follow these steps:
- Backup your database:
mysqldump -u root -p librenms > librenms_backup.sql - Download the latest version:
wget https://github.com/librenms/librenms/archive/master.zip - Extract the source code:
unzip master.zip - Run the upgrade script:
sudo php upgrade.php