How To Install erlang-observer on Ubuntu 18.04
Introduction
In this tutorial we learn how to install erlang-observer on Ubuntu 18.04.
What is erlang-observer
erlang-observer is:
The OBSERVER application contains tools for tracing and investigation of distributed systems. They include etop - a tool for presenting information about Erlang processes, and crashdump_viewer - a HTML based tool for browsing Erlang crashdumps.
There are three methods to install erlang-observer 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 erlang-observer Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install erlang-observer using apt-get by running the following command:
sudo apt-get -y install erlang-observer
Install erlang-observer Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install erlang-observer using apt by running the following command:
sudo apt -y install erlang-observer
Install erlang-observer 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 erlang-observer using aptitude by running the following command:
sudo aptitude -y install erlang-observer
How To Uninstall erlang-observer on Ubuntu 18.04
To uninstall only the erlang-observer package we can use the following command:
sudo apt-get remove erlang-observer
Uninstall erlang-observer And Its Dependencies
To uninstall erlang-observer and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove erlang-observer
Remove erlang-observer Configurations and Data
To remove erlang-observer configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge erlang-observer
Remove erlang-observer configuration, data, and all of its dependencies
We can use the following command to remove erlang-observer configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge erlang-observer
References
Summary
In this tutorial we learn how to install erlang-observer package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
