Fail2ban + nftables On AWS Linux 2023: A Clean, Firewalld-Free Setup For WordPress
A step-by-step guide to wiring Fail2ban directly to nftables on AL2023, blocking bots on ports 80 and 443, avoiding firewalld conflicts, and testing safely.
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How to Automate MySQL Database Backups to Amazon S3
Keeping reliable database backups isn’t just a best practice; it’s critical. Whether you’re running a WordPress site, managing an internal app, or maintaining a client’s online store, losing your database could be catastrophic. Fortunately, you can automate MySQL backups to Amazon S3 and never have to think about it again. AWS offers tools like AWS…
Why You Should Delete User Passwords and Lock Accounts on Linux Servers
When it comes to Linux server security, small oversights can turn into big vulnerabilities. One of the most overlooked risks is leaving unnecessary passwords on user accounts — especially the root account. In this guide, we’ll show you how to remove user passwords, lock accounts, and explain why these steps are essential for securing your…
Linux VIM Editor Show & Hide Line Numbers
In this article, I will show you how to quickly show and hide the Linux VIM file editor line numbers. Show line numbers while using the Vim Editor First, let’s open a file using the vim command. In this example, I will open the php.ini file located at /etc/php.ini Next, let’s show the line numbers…
Centos 7 Display SSH Welcome Banner Message
In this short tutorial, I will show you how to display a ssh welcome banner that will show once a user successfully logs into your server/computer. I will also show you how to create a message once the connection is first established and before the user enters their password. Why would I want to do…