How To Install libnginx-mod-http-echo on Debian 9

In this tutorial we learn how to install libnginx-mod-http-echo on Debian 9. libnginx-mod-http-echo is Bring echo and more shell style goodies to Nginx

Introduction

In this tutorial we learn how to install libnginx-mod-http-echo on Debian 9.

What is libnginx-mod-http-echo

libnginx-mod-http-echo is:

Echo module wraps lots of Nginx internal APIs for streaming input and output, parallel/sequential subrequests, timers and sleeping, as well as various meta data accessing.

Basically it provides various utilities that help testing and debugging of other modules by trivially emulating different kinds of faked subrequest locations.

People will also find it useful in real-world applications that need to:

  1. Serve static contents directly from memory.
  2. Wrap the upstream response with custom header and footer (kinda like the addition module but with contents read directly from the config file and Nginx variables).
  3. Merge contents of various “Nginx locations” (i.e., subrequests) together in a single main request (using echo_location and its friends).

There are three methods to install libnginx-mod-http-echo on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libnginx-mod-http-echo Using apt-get

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

sudo apt-get update

After updating apt database, We can install libnginx-mod-http-echo using apt-get by running the following command:

sudo apt-get -y install libnginx-mod-http-echo

Install libnginx-mod-http-echo Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libnginx-mod-http-echo using apt by running the following command:

sudo apt -y install libnginx-mod-http-echo

Install libnginx-mod-http-echo 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libnginx-mod-http-echo using aptitude by running the following command:

sudo aptitude -y install libnginx-mod-http-echo

How To Uninstall libnginx-mod-http-echo on Debian 9

To uninstall only the libnginx-mod-http-echo package we can use the following command:

sudo apt-get remove libnginx-mod-http-echo

Uninstall libnginx-mod-http-echo And Its Dependencies

To uninstall libnginx-mod-http-echo and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libnginx-mod-http-echo

Remove libnginx-mod-http-echo Configurations and Data

To remove libnginx-mod-http-echo configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libnginx-mod-http-echo

Remove libnginx-mod-http-echo configuration, data, and all of its dependencies

We can use the following command to remove libnginx-mod-http-echo configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libnginx-mod-http-echo

Dependencies

libnginx-mod-http-echo have the following dependencies:

References

Summary

In this tutorial we learn how to install libnginx-mod-http-echo package on Debian 9 using different package management tools: apt, apt-get and aptitude.