Security

Once you install MariaDB, one of the first things you need to do is to create a new MariaDB user. This article explains how to create a MariaDB user, and then how to grant privileges to the newly created user.

Learn how to use iptables commands and see how iptables works. By following the instructions listed in this article, you'll get a better understanding of network packets, and can configure basic rules for your system and set up ports on the firewall to meet your security needs.

This article presents basic security principles such as defense-in-depth and restricted privilege. Learn how to apply these principles in a distributed system such as a Kubernetes cluster.

If you need a management system that will store and protect your authentication and authorization data, you may want to install Vault. Apart from managing access to passwords, certificates, and APIs, Vault also provides on-demand secrets, encryption, and revocation. Follow this simple guide to install Vault on a CentOS 7 system.

DNS management is a significant hurdle in enterprise environments. DNS infrastructure needs to be organized properly to avoid security and performance issues. By following DNS best practices, most potential problems can be evaded.

This article will help you how to install Nmap on Ubuntu. Use Nmap to discover network vulnerabilities on remote computer networks.

The article covers the 5 most common and efficient ways to secure an SSH connection. The listed solutions go a long way in preventing malicious activity and protecting your servers.

MySQL is a database application for Linux. It’s part of the LAMP (Linux, Apache, MySQL, PHP) stack that powers many features on the internet. A MySQL installation starts by default with a root user, but it’s better to create a specific user account that’s non-root.

Learn how to obtain and install SSL Certificates on Apache CentOS 7. The article explains how to use an automated certificate authority like Let’s Encrypt, a commercial Comodo certificate, and how to create a certificate of your own.

This phoenixNAP guide instructs how to enable and start firewalld on CentOS 7. It explains basic firewall zone concepts and teaches you how to work with default firewalld zones.