How To Install checksecurity on Ubuntu 20.04

In this tutorial we learn how to install checksecurity on Ubuntu 20.04. checksecurity is basic system security checks

Introduction

In this tutorial we learn how to install checksecurity on Ubuntu 20.04.

What is checksecurity

checksecurity is:

Checksecurity can periodically do some very basic system security checks:

* check-setuid  - scans for insecurely mounted remote file systems,
  and tracks changes in setuid programs;
* check-sockets - tracks changes in open ports to detect rogue programs;
* check-passwd  - scans for empty or duplicate system accounts;
* check-disfree - scans for mounted filesystems nearing capacity;
* check-iptables-logs -  scans logs generated by iptables and look
  for intrusion attempts.

Be aware that these minimal set of checks are no substitute for a full security auditing and integrity checking system.

In addition to these checks you are encourage to install additional packages (listed in “Recommends”) to provide more information concerning the security or vulnerability of your system.

Installing the suggested package lockfile-progs can help to prevent the cron jobs running multiple times if something gets jammed.

There are three methods to install checksecurity on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install checksecurity Using apt-get

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

sudo apt-get update

After updating apt database, We can install checksecurity using apt-get by running the following command:

sudo apt-get -y install checksecurity

Install checksecurity Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install checksecurity using apt by running the following command:

sudo apt -y install checksecurity

Install checksecurity 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 checksecurity using aptitude by running the following command:

sudo aptitude -y install checksecurity

How To Uninstall checksecurity on Ubuntu 20.04

To uninstall only the checksecurity package we can use the following command:

sudo apt-get remove checksecurity

Uninstall checksecurity And Its Dependencies

To uninstall checksecurity and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove checksecurity

Remove checksecurity Configurations and Data

To remove checksecurity configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge checksecurity

Remove checksecurity configuration, data, and all of its dependencies

We can use the following command to remove checksecurity configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge checksecurity

References

Summary

In this tutorial we learn how to install checksecurity package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.