How To Install nagios4-core on Ubuntu 22.04
Introduction
In this tutorial we learn how to install nagios4-core
on Ubuntu 22.04.
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 22.04. 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 22.04
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 22.04, 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 22.04 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
References
Summary
In this tutorial we learn how to install nagios4-core
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.