security

How To Set Up SSH Keys on CentOS — step-by-step Linux tutorial on Progressive Robot

How To Set Up SSH Keys on CentOS

SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a CentOS server, chances are you will spend most of your time in a terminal session connected to your server through SSH.

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How to Set Up SSH Keys on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up SSH Keys on Ubuntu 18.04

SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on an Ubuntu 18.04 installation.

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How To Use GPG to Encrypt and Sign Messages — step-by-step Security tutorial on Progressive Robot

How To Use GPG to Encrypt and Sign Messages

GPG, or GNU Privacy Guard, is a public key cryptography implementation. This allows for the secure transmission of information between parties and can be used to verify that the origin of a message is genuine. In this guide, we will discuss how GPG works and how to…

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How To Use RKHunter to Guard Against Rootkits on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Use RKHunter to Guard Against Rootkits on an Ubuntu VPS

Rootkits are a serious problem for any internet-facing computers. A rootkit allows an intruder to continue to access the compromised machine even after the initial point of entry has been secured. In this article, we will cover how to check your server against known rootkits using a utility called rkhunter.

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