How To Install privbind on Ubuntu 18.04
Introduction
In this tutorial we learn how to install privbind on Ubuntu 18.04.
What is privbind
privbind is:
Privbind is a utility that allows running non-root applications, only giving them one root privilege - binding to low (<1024) ports. The aim is similar, though using a completely different method, to “authbind”.
Privbind is a completely user space solution. It has no SUID executables, and has to be started by a root user instead.
Privbind is useful for cases where there is a need to run an untrusted program that needs to bind to a low port, but requires no other root privilege. It is also useful if a daemon has no capability to drop privileges itself.
There are three methods to install privbind 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 privbind Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install privbind using apt-get by running the following command:
sudo apt-get -y install privbind
Install privbind Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install privbind using apt by running the following command:
sudo apt -y install privbind
Install privbind 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 privbind using aptitude by running the following command:
sudo aptitude -y install privbind
How To Uninstall privbind on Ubuntu 18.04
To uninstall only the privbind package we can use the following command:
sudo apt-get remove privbind
Uninstall privbind And Its Dependencies
To uninstall privbind and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove privbind
Remove privbind Configurations and Data
To remove privbind configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge privbind
Remove privbind configuration, data, and all of its dependencies
We can use the following command to remove privbind configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge privbind
References
Summary
In this tutorial we learn how to install privbind package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.