Articles

 Basic iptables Usage & Commands

Iptables is a program that allows you to configure Linux's built-in firewall. By default, no...

 How to Check VPS Memory/RAM Usage with SSH

There are a few tools built-in to most Linux distros for gauging and fine-tuning your server's...

 How to Install ConfigServer Firewall (CSF)

ConfigServer Firewall, or CSF, is a common Linux security suite. Log in to your VPS as the root...

 How to List All Open/Listening Ports

If you find yourself needing to check all open/listening ports that your server is using (a good...

 How to Modify SSH to Use a Port Other than 22

  A simple, but very effective, step you can take to enhance your server's security is to update...

 How to Optimize MySQL with MySQLTuner

MySQLTuner is a script that will assess MySQL performance and recommend steps to maximize...

 How to close an open DNS resolver - Linux

Locate the BIND configuration file within the operating system. The BIND configuration file is...

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