Tag: linux tips
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Stop Trusting Devices. Start Controlling Them.
Stop Trusting Devices. Start Controlling Them. An Introduction to udev. In the last few posts, we have been asking uncomfortable but necessary questions. Where did my disk space go? Why is this system slow right now? What is listening on the network? Now it is time to ask a question most administrators never ask until…
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Who Is Eating the Bandwidth?
Correlating Network Throughput With Real Processes You now know what is listening. You know who is talking. The next question is unavoidable. “Which process is actually costing me performance?” This is where many troubleshooting efforts fall apart. CPU looks fine. Memory looks stable. Disk is quiet. Yet the system still feels slow. At that point,…
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Finding What’s Listening on the Network
If the system is slow, you look at processes. If the system feels exposed, unstable, or compromised, you look at the network. The next inevitable question is not theoretical. It is operational: “Who is listening on this system, and why?” Open ports are not neutral. Every listening socket is a decision someone made, intentionally or…
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Finding the Process That’s Eating Your System
In the last installment in our current series, we answered the question “Where did my disk space go?”. Now, we will tackle the question: “Why is this system slow right now?” When Linux systems feel sluggish, unresponsive, or outright hostile, the root cause is almost always the same. Something is running that should not be,…
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Finding the Disk Space Culprit
Disk space does not just disappear. It gets taken. When a system runs out of space, the problem is rarely the disk itself. The problem is not knowing what is consuming it. du exists for that exact moment. It tells you where the space went, not where you hope it went. Most people use du…
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Grep for Humans
You already know grep exists. You may even use it occasionally. What most people miss is that grep is not just a search tool. It is a precision instrument for answering specific questions under pressure. Logs are noisy. Directories are sprawling. Time is limited and grep is how you cut straight to what matters. This…
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Top Linux Distros for Beginners and Intermediate Users in 2025: Find Your Perfect Fit!
Welcome to LinuxEveryday.online! If you’re new to Linux or have some experience and want to level up, choosing the right distribution (distro) is key. Linux offers incredible flexibility, but with hundreds of options, it can feel overwhelming. In this guide, we’ll focus on the top distros for beginners and intermediate users based on current trends…
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10 Essential Linux Security Hardening Steps: AppArmor Edition
🔐 Introduction Securing Linux servers isn’t just about keeping software patched—it’s about controlling how applications behave when attackers inevitably find a foothold. AppArmor provides Mandatory Access Control (MAC) that locks down services with precise rules, ensuring they can only access the files, network, and resources they truly need for a job role or task. In…
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💯Keeping Your System Updated
Or, “Package Management in Practice for Debian/Ubuntu” Keeping a Debian/Ubuntu system current isn’t glamourous—but it can make the difference between a stable, secure box and one you can’t trust. Here’s a tight, practical workflow with commands you’ll actually use. 👍Quick update workflow (daily/weekly) 🤔When Should I Reboot? 🛠️Understand the Knobs that Matter TIP: Run upgrade…
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🐧 The Linux Learning Path: From First Terminal Command to POWER User
Linux can be intimidating when you first start, but it doesn’t have to be! I’ve got good news for you today – whether you’re switching from Windows or just curious about open source, this guide will help you build a strong foundation and confidently begin your Linux journey. ✨ Let’s get into it – step-by-step……