How To Install slony1-2-doc on Ubuntu 18.04

In this tutorial we learn how to install slony1-2-doc on Ubuntu 18.04. slony1-2-doc is Slony-I documentation

Introduction

In this tutorial we learn how to install slony1-2-doc on Ubuntu 18.04.

What is slony1-2-doc

slony1-2-doc is:

Slony-I is an asynchronous master-to-multiple-slaves replication system for PostgreSQL with cascading and slave promotion.

This package contains the documentation for the Slony-I system. It is not required for normal operation.

There are three methods to install slony1-2-doc 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 slony1-2-doc Using apt-get

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

sudo apt-get update

After updating apt database, We can install slony1-2-doc using apt-get by running the following command:

sudo apt-get -y install slony1-2-doc

Install slony1-2-doc Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install slony1-2-doc using apt by running the following command:

sudo apt -y install slony1-2-doc

Install slony1-2-doc 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 slony1-2-doc using aptitude by running the following command:

sudo aptitude -y install slony1-2-doc

How To Uninstall slony1-2-doc on Ubuntu 18.04

To uninstall only the slony1-2-doc package we can use the following command:

sudo apt-get remove slony1-2-doc

Uninstall slony1-2-doc And Its Dependencies

To uninstall slony1-2-doc and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove slony1-2-doc

Remove slony1-2-doc Configurations and Data

To remove slony1-2-doc configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge slony1-2-doc

Remove slony1-2-doc configuration, data, and all of its dependencies

We can use the following command to remove slony1-2-doc configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge slony1-2-doc

References

Summary

In this tutorial we learn how to install slony1-2-doc package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.