Security

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.

Apache is part of the LAMP stack of software for Linux (Linux, Apache, MySQL, PHP). Learn about Apache logs in this comprehensive guide. See the difference between error and access logs and how to set up HTTP server logging.

This article deals with the most common causes of the "ssh_exchange_identification: read: Connection reset by peer" error. At the same time, we offer expert solutions for this error, such as managing Host-Based Access Control Lists, changing Intrusion prevention software settings, and editing the SSH daemon configuration file.

Linux offers different ways to remove directories without using the GUI. In this tutorial, learn how to remove directories in the terminal window or command line using Linux commands.

If a Linux process becomes unresponsive or is consuming too many resources, you may need to kill it. This complete guide shows how to kill a Linux process using the command line.

MySQL is a database management system. It’s operated under the Open Source software model and has become a very popular software package for web application software. Like many web services, MySQL has an administrator-level or root password. The root password allows a user to perform all top-level functions in the database.

Fix SSH connection refused by troubleshooting some of the common causes for this problem. Take a look of all the reasons for connection refused error and how to fix the problem.