Security

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.

Ubuntu 16.04 EOL is coming up on April, 2021. This Linux distribution will no longer be supported with updates and patches, so make sure you upgrade or mitigate your systems on time.

Learn how to make curl ignore certificate errors by adding the required option to the command. Ignoring certificate errors, should only be practiced for development purposes. Skip checking for SSL certificates only if needed.

This article will help system administrators configure SSH Keys on Debian 10. The instructions allow you to set up encrypted credentials quickly, log in remotely, and disable authentication.

This article provides 10 container security tips that can help you prevent attacks and privilege breaches. It explains the importance of keeping containers updated, privileges and resources limited, and provides other useful security practices.

CentOS 6 EOL is coming up on November 2020. This Linux distribution will no longer be supported with updates and patches, so make sure you upgrade or mitigate your systems on time.

While they all encrypt data, not all SSL certificates provide the same features to their users. Learn about all the types of SSL certificates on the market and see what they can do for your website.

sudo stands for SuperUser DO, and it’s used to temporarily elevate privileges in Linux. This guide will show you several ways that sudo command can be used.

Setting file and directory permission properly is important in multi-user systems such as Linux. You can set permission recursively using the chmod or find command and grant privileges or restrict access in a single command.

This article is meant to assist readers in determining whether pfSense or Sophos would better fit their system's requirements. It contains a clear and brief overview of pfSense and Sophos' characteristics.