How To Create New MySQL User and Grant Privileges

September 18, 2019

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.

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How to Install and Use Nmap Network Scanner on Linux

September 15, 2019

Learn how to install Nmap on a Linux based system and use it to retrieve valuable information from remote systems.

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How To Install SSL Certificate on Apache for CentOS 7

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.

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How to Enable and Use firewalld on CentOS 7

September 4, 2019

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.

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How to Install / Enable OpenSSH on CentOS 7

August 28, 2019

This article provides all the information you need in order to set up SSH encryption on your remote device. It also covers the configuration of SSH and how to make exceptions in your firewall settings.

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How To Enable SELinux In CentOS/RHEL 7

August 27, 2019

The article deals with the benefits of SELinux and the various options it provides. These settings can affect server security, and making sure you have all the relevant information is crucial.

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19 Common SSH Commands in Linux With Examples

August 25, 2019

Secure Shell is an important protocol for anyone managing and controlling remote machines. This guide covers the most useful commands such as specifying a username for your connection, using a different port number, generating SSH key pairs, and much more.

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How to Generate & Set Up SSH Keys on CentOS 7

August 19, 2019

Learn how to set up SSH key authentication on CentOS to safely communicate with remote servers. Create the key pair, copy the public key, connect to the remote server, and disable password authentication.

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How to Enable/Disable UFW Firewall on Ubuntu 18.04 & 20.04

August 18, 2019

Ubuntu comes pre-installed with a firewall configuration tool, UFW (Uncomplicated Firewall). This tutorial shows you how to disable and enable an Ubuntu UFW firewall using the command line.

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How to Disable or Turn Off Firewalld on CentOS 7

August 15, 2019

Firewalld is a dynamically managed firewall solution that supports network zoning. As of CentOS 7, firewalld (Dynamic Firewall Manager) is the default firewall tool on CentOS servers. Admins might need to disable firewalld for testing or switching to another firewall tool. This tutorial shows you how to disable and stop the firewall on CentOS 7

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