System uname -a # Display Linux System Information uname -r # Display kernel release information uptime # Show how long the system has been running + load hostname # Show system ...

What Is a Port? A port is just a number ranging from 0 to 65535. It works with the transport layer protocols (TCP and UDP) to identify services. Think of it like: IP addres...

What Is a Subnet Mask? A subnet mask is a 32-bit number that works hand in hand with an IP address. It tells the computer which part of the IP is the network portion and which part is the host por...

Ever wonder how your computer knows if a website is down or if a router is too slow? Meet ICMP, the Internet Control Message Protocol. It doesn’t send actual data like TCP or UDP—it just helps de...

Ever wondered why we need IPv6 when IPv4 seems to be working just fine? Well, let’s break it down in a way that actually makes sense. What Is an IP Address? Before diving into IPv4 vs. IPv6, le...

If you’ve ever dealt with a network where devices keep pinging each other in a loop, you know how chaotic it can get. Enter STP, the unsung hero that makes sure your network runs like a well-oile...

Ever heard of VLANs and wondered what the hype’s about? Let’s break it down in a way that’s simple, practical, and nerd-approved. VLANs aren’t just for massive corporations—they’re crucial for an...

Ever wondered how devices on a local network find each other? That’s where the ARP Protocol comes in. It’s a small but mighty part of networking that ensures your data knows where to go. Let’s br...

Let’s get real—if you’re serious about networking, you need to know Ethernet. It’s the wired technology that forms the backbone of most local networks, whether at home, in offices, or even large ...

Let’s get into encapsulation, one of the most crucial processes in networking. It’s how data gets wrapped up and sent from one device to another, layer by layer. Think of it as packing a parcel w...