How To Install nagios4-core on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
2 minutes • 409 words
Introduction
In this tutorial we learn how to install nagios4-core on Ubuntu.
What is nagios4-core
nagios4-core is:
Nagios is a monitoring and management system for hosts, services and networks. The package contains the nagios4 monitoring daemon.
Nagios’ features include:
- Monitoring of network services (via TCP port, SMTP, POP3, HTTP, NNTP, PING, etc.)
- Plugin interface to allow for user-developed service checks
- Contact notifications when problems occur and get resolved (via email, pager, or user-defined method)
- Ability to define event handlers to be run during service or host events (for proactive problem resolution)
- Web output (current status, notifications, problem history, log file, etc.)
There are three methods to install nagios4-core on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install nagios4-core Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install nagios4-core using apt-get by running the following command:
sudo apt-get -y install nagios4-core
Install nagios4-core Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install nagios4-core using apt by running the following command:
sudo apt -y install nagios4-core
Install nagios4-core Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install nagios4-core using aptitude by running the following command:
sudo aptitude -y install nagios4-core
How To Uninstall nagios4-core on Ubuntu
To uninstall only the nagios4-core package we can use the following command:
sudo apt-get remove nagios4-core
Uninstall nagios4-core And Its Dependencies
To uninstall nagios4-core and its dependencies that are no longer needed by Ubuntu, we can use the command below:
sudo apt-get -y autoremove nagios4-core
Remove nagios4-core Configurations and Data
To remove nagios4-core configuration and data from Ubuntu we can use the following command:
sudo apt-get -y purge nagios4-core
Remove nagios4-core configuration, data, and all of its dependencies
We can use the following command to remove nagios4-core configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge nagios4-core
Dependencies
nagios4-core have the following dependencies:
References
Summary
In this tutorial we learn how to install nagios4-core package on Ubuntu using different package management tools: apt, apt-get and aptitude.