Welcome to the Linux category, where I focus on providing practical solutions and tips for Ubuntu users. Whether you’re new to Ubuntu or a seasoned user, my tutorials and troubleshooting guides are designed to help you overcome common challenges and make the most of your Linux experience. Stay updated with the latest Ubuntu updates and learn how to optimize your system for better performance and functionality.
I’m primarily a Windows administrator, but occasionally I manage Linux systems too—specifically Ubuntu Server. In this article, I’m working with Ubuntu 20.04 LTS. Since I don’t use Linux every day, I often need a quick refresher when it comes to user and permission management.
You might think “Oh no, not another “how to” about installing Fail2ban. I admit there are a lot of instructions available. However, I simply could not find a clear guide on installing Fail2ban with email notification. I love Fail2ban and use it for several Linux servers. For me, it is important to receive an email when Fail2ban triggers an action.
As a system administrator, securing SSH access is crucial for protecting my servers. That’s why I’ve implemented two-factor authentication (2FA) on my Linux and Proxmox systems. In this guide, I’ll walk you through the process of securing SSH with 2FA, step by step.
Introduction In this article, I explain how Linux file permissions work. I use the Linux distribution Ubuntu. I’m an experienced Windows administrator and coming to Linux file permission is quite a change. With Linux, each file or directory has both a user and group that take ownership of it. This is in contrast to platforms
I installed an Ubuntu server 18.04. And then I discovered that the time displayed was not correct. Hey, I was pretty sure that during the gui installation process I had selected the time zone. Or had I not? Anyway, the time was one hour behind. This sort of a careless error can happen to anyone. So for those of you who might sometime be in the same boat as me: don’t worry! Here’s how to fix the issue and it’s really easy!
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