How To Install swatch on Ubuntu 18.04
Introduction
In this tutorial we learn how to install swatch on Ubuntu 18.04.
What is swatch
swatch is:
Swatch is designed to monitor system activity. It reads a configuration file which contains pattern(s) to look for and action(s) to perform when each pattern is found.
A typical action is echoing the matched line in a variety of colours and formats including reverse video, bold, underline, and normal, which swatch knows how to do internally. Other actions include sending mail or executing an arbitrary program on the line.
Swatch is written in Perl and uses Perl regular expressions for line matching.
There are three methods to install swatch 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 swatch Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install swatch using apt-get by running the following command:
sudo apt-get -y install swatch
Install swatch Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install swatch using apt by running the following command:
sudo apt -y install swatch
Install swatch 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 swatch using aptitude by running the following command:
sudo aptitude -y install swatch
How To Uninstall swatch on Ubuntu 18.04
To uninstall only the swatch package we can use the following command:
sudo apt-get remove swatch
Uninstall swatch And Its Dependencies
To uninstall swatch and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove swatch
Remove swatch Configurations and Data
To remove swatch configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge swatch
Remove swatch configuration, data, and all of its dependencies
We can use the following command to remove swatch configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge swatch
References
Summary
In this tutorial we learn how to install swatch package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
