How To Install libnginx-mod-http-echo on Debian 9
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:
- Serve static contents directly from memory.
- 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).
- 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.