Security

The sudo command is the preferred means to handle elevated permissions. Standard user accounts are restricted from performing sensitive tasks, such as viewing the contents of the /root directory. This prevents the accidental use of commands with massive consequences. It also makes it more difficult for intruders to compromise a system. If you need to run an administrative command. Sudo – or Super User Do – grants you privileges to run sensitive tasks. The sudo command will grant elevated permissions for 15 minutes. This guide will show you how to create a new user on Ubuntu and provide sudo access.

RPM is a package format used by Red Hat based derivatives like CentOS, RHEL or Fedora. In this tutorial, learn how to install .rpm packages on Ubuntu.

OpenSSL is an open-source cryptographic library and SSL toolkit. This article explains how to determine the OpenSSL version by running a single command.

With over 600 preinstalled penetration-testing programs, Kali Linux earned a reputation as one of the best-operating systems used for security testing. Installing Kali as a VM on a type 2 hypervisor such as VirtualBox provides the isolation and rollback capabilities necessary for advanced security testing. This article shows you how to install Kali Linux on Virtual Box.

The .htaccess file in WordPress is a configuration file for managing hyperlinks. It is most commonly used to rewrite URLs, making them clearer and more readable by both people and search engines. This file is included by default in a new WordPress installation. This guide will help you find, modify, and create a .htaccess file for WordPress.

If you are using Debian 9 or Debian 10 to manage servers, you must ensure that the transfer of data is as safe as possible. This tutorial covers the necessary steps you need to take to establish a secure connection with a remote machine by using SSH.

This article is meant to help system administrators configure SSH Keys on Ubuntu. The instructions allow you to set up encrypted credentials quickly.

If you do not keep your Ubuntu operating system up-to-date, you run the risk of compromising overall system security. Managing the process manually, wastes valuable resources and can even lead to overlooking essential security updates. In this tutorial, we explain how to Enable automatic security updates in Ubuntu 18.04. Doing so ensures your system stays protected with the latest security packages at all times.

A Certificate Signing Request (CSR) is the first step in setting up an SSL Certificate on your website. An SSL Certificate secures and encrypts traffic between a client and a website. This guide will walk you through generating a CSR.

Store, control, and protect the data you use for authentication or authorization by installing Vault in your Ubuntu 18.04 system. In this tutorial you will learn step by step how to install and configure Vault, as well as how to set up Consul.