How To Install postgresql-10-pglogical on Ubuntu 18.04
Introduction
In this tutorial we learn how to install postgresql-10-pglogical on Ubuntu 18.04.
What is postgresql-10-pglogical
postgresql-10-pglogical is:
The pglogical extension provides logical streaming replication between PostgreSQL instances, using a publish/subscribe model. Contrary to the built-in streaming replication, pglogical can replicate between major versions or different architectures and is not restricted to replicate the entire instance but can selectively replicate arbitrary sets of tables.
Use-Cases include migrations and major-version upgrades, aggregation of several databases into a Data Warehouse, It utilises the Logical Decoding features available since PostgreSQL 9.4 working with low overhead on both provider and subscriber.
There are three methods to install postgresql-10-pglogical 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 postgresql-10-pglogical Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install postgresql-10-pglogical using apt-get by running the following command:
sudo apt-get -y install postgresql-10-pglogical
Install postgresql-10-pglogical Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install postgresql-10-pglogical using apt by running the following command:
sudo apt -y install postgresql-10-pglogical
Install postgresql-10-pglogical 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 postgresql-10-pglogical using aptitude by running the following command:
sudo aptitude -y install postgresql-10-pglogical
How To Uninstall postgresql-10-pglogical on Ubuntu 18.04
To uninstall only the postgresql-10-pglogical package we can use the following command:
sudo apt-get remove postgresql-10-pglogical
Uninstall postgresql-10-pglogical And Its Dependencies
To uninstall postgresql-10-pglogical and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove postgresql-10-pglogical
Remove postgresql-10-pglogical Configurations and Data
To remove postgresql-10-pglogical configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge postgresql-10-pglogical
Remove postgresql-10-pglogical configuration, data, and all of its dependencies
We can use the following command to remove postgresql-10-pglogical configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge postgresql-10-pglogical
References
Summary
In this tutorial we learn how to install postgresql-10-pglogical package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
