How To Install tcpd on Ubuntu 22.04
Introduction
In this tutorial we learn how to install tcpd
on Ubuntu 22.04.
What is tcpd
tcpd is:
Wietse Venema’s network logger, also known as TCPD or LOG_TCP.
These programs log the client host name of incoming telnet, ftp, rsh, rlogin, finger etc. requests.
Security options are:
- access control per host, domain and/or service;
- detection of host name spoofing or host address spoofing;
- booby traps to implement an early-warning system.
There are three methods to install tcpd
on Ubuntu 22.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install tcpd Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install tcpd
using apt-get
by running the following command:
sudo apt-get -y install tcpd
Install tcpd Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install tcpd
using apt
by running the following command:
sudo apt -y install tcpd
Install tcpd 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 tcpd
using aptitude
by running the following command:
sudo aptitude -y install tcpd
How To Uninstall tcpd on Ubuntu 22.04
To uninstall only the tcpd
package we can use the following command:
sudo apt-get remove tcpd
Uninstall tcpd And Its Dependencies
To uninstall tcpd
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove tcpd
Remove tcpd Configurations and Data
To remove tcpd
configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge tcpd
Remove tcpd configuration, data, and all of its dependencies
We can use the following command to remove tcpd
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge tcpd
References
Summary
In this tutorial we learn how to install tcpd
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.