Category: learn linux
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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 for Humans: The Only 5 Things You Need to Look At
or How to Diagnose Linux Performance Problems in Under 60 Seconds Most people are using top all wrong. They scan everything, understand nothing, and leave more confused than when they started. You don’t need to read the whole screen. You really only need these 5: Let’s start with Load Average. At the top right of…
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Linux Commands You Already Know (But Aren’t Using Right)
If you’ve used Linux long enough, you eventually hit that moment. You know the one. You’re staring at a terminal window, juggling logs, processes, and directories, thinking, There has to be an easier way. The funny part is that the “easier way” usually already exists. It’s built right into the system, hiding in plain sight…
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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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💯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…