How To Install syslog-ng-core on Ubuntu 20.04
Introduction
In this tutorial we learn how to install syslog-ng-core on Ubuntu 20.04.
What is syslog-ng-core
syslog-ng-core is:
syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, message queues, databases (SQL and NoSQL alike) and more.
Key features:
- receive and send RFC3164 and RFC5424 style syslog messages
- work with any kind of unstructured data
- receive and send JSON formatted messages
- classify and structure logs with builtin parsers (csv-parser(), db-parser(), etc.)
- normalize, crunch and process logs as they flow through the system
- hand on messages for further processing using message queues (like AMQP), files or databases (like PostgreSQL or MongoDB).
This package provides the core syslog-ng, with all the plugins required for a standard installation.
There are three methods to install syslog-ng-core on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install syslog-ng-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 syslog-ng-core using apt-get by running the following command:
sudo apt-get -y install syslog-ng-core
Install syslog-ng-core Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install syslog-ng-core using apt by running the following command:
sudo apt -y install syslog-ng-core
Install syslog-ng-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 syslog-ng-core using aptitude by running the following command:
sudo aptitude -y install syslog-ng-core
How To Uninstall syslog-ng-core on Ubuntu 20.04
To uninstall only the syslog-ng-core package we can use the following command:
sudo apt-get remove syslog-ng-core
Uninstall syslog-ng-core And Its Dependencies
To uninstall syslog-ng-core and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove syslog-ng-core
Remove syslog-ng-core Configurations and Data
To remove syslog-ng-core configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge syslog-ng-core
Remove syslog-ng-core configuration, data, and all of its dependencies
We can use the following command to remove syslog-ng-core configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge syslog-ng-core
References
Summary
In this tutorial we learn how to install syslog-ng-core package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
