How To Install icinga2-classicui on Ubuntu 18.04

In this tutorial we learn how to install icinga2-classicui on Ubuntu 18.04. icinga2-classicui is host and network monitoring system - classic UI

Introduction

In this tutorial we learn how to install icinga2-classicui on Ubuntu 18.04.

What is icinga2-classicui

icinga2-classicui is:

Icinga 2 is a general-purpose monitoring application to fit the needs of any size of network. Icinga 1.x was a Nagios fork; this new generation has been rewritten from scratch in C++, with multi-threading and cluster support.

Features:

  • all standard features of Icinga and Nagios;
  • much faster and more scalable than Icinga 1 and Nagios;
  • new, more intuitive, template-based configuration format;
  • monitoring services on ICMP (ping) or TCP ports (HTTP, NNTP, POP3, SMTP, etc.) by executing checks (see monitoring-plugins*);
  • any small script following the Nagios plugin API can be used as a check plugin;
  • notifications about alerts for any custom script (with examples);
  • native support for Livestatus and Graphite.

This package provides support for the Icinga Classic User Interface.

There are three methods to install icinga2-classicui on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install icinga2-classicui Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install icinga2-classicui using apt-get by running the following command:

sudo apt-get -y install icinga2-classicui

Install icinga2-classicui Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install icinga2-classicui using apt by running the following command:

sudo apt -y install icinga2-classicui

Install icinga2-classicui 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 icinga2-classicui using aptitude by running the following command:

sudo aptitude -y install icinga2-classicui

How To Uninstall icinga2-classicui on Ubuntu 18.04

To uninstall only the icinga2-classicui package we can use the following command:

sudo apt-get remove icinga2-classicui

Uninstall icinga2-classicui And Its Dependencies

To uninstall icinga2-classicui and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove icinga2-classicui

Remove icinga2-classicui Configurations and Data

To remove icinga2-classicui configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge icinga2-classicui

Remove icinga2-classicui configuration, data, and all of its dependencies

We can use the following command to remove icinga2-classicui configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge icinga2-classicui

References

Summary

In this tutorial we learn how to install icinga2-classicui package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.