security

How To Use Nmap to Scan for Open Ports — step-by-step Linux tutorial on Progressive Robot

How To Use Nmap to Scan for Open Ports

Nmap is a great tool for discovering the network services and ports that your server is exposing to the network. In this guide, we will discuss some basic information about networking ports and how you can use nmap to find your weaknesses.

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How to Verify Downloaded Files — step-by-step Security tutorial on Progressive Robot

How to Verify Downloaded Files

Verifying downloaded files ensures that what you downloaded is what you think it is. In this tutorial, you’ll learn what file verification is, why it’s important, and how to do it on various operating systems using command-line tools.

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Securing Your Droplet — step-by-step Security tutorial on Progressive Robot

Securing Your Droplet

Secure your Droplet from malicious actors attempting to compromise your systems. This talk will cover the foundations of securing your droplet, protecting your users, and keeping your data safe.

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What is SELinux? — step-by-step Security tutorial on Progressive Robot

What is SELinux?

Security Enhanced Linux (SELinux) is an access control system that is built into the Linux kernel. It is used to enforce policies that define which resources users, programs and services can use on a system. In its default enforcing mode, SELinux will deny and log any unauthorized attempts to…

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Como Configurar Chaves SSH no Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Como Configurar Chaves SSH no Ubuntu 18.04

SSH, ou shell seguro, é um protocolo criptografado usado para administrar e comunicar com servidores. Ao trabalhar com um servidor Ubuntu, é provável que você passe a maior parte do tempo em uma sessão de terminal, conectado ao seu servidor através do SSH. Neste guia, vamos…

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Configuration initiale de serveur avec Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Configuration initiale de serveur avec Ubuntu 18.04

Lorsque vous installez un nouveau serveur Ubuntu 18.04, il y a quelques étapes de configuration que vous devriez effectuer au sein de votre paramétrage initial. Cela renforcera la sécurité et l’ergonomie de votre serveur et vous procurera une base solide pour vos actions…

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