↓ Skip to main content

Blog

2026

When the Network Itself Is Broken — Troubleshooting Switching and Addressing

23 July 2026·1157 words·6 mins

Networking Comptia Troubleshooting

When the Cable Itself Is the Problem — Troubleshooting Cabling and Physical Interfaces

22 July 2026·1332 words·7 mins

Networking Comptia Troubleshooting

The Method Behind Fixing Anything — Walking Through the Troubleshooting Steps

21 July 2026·776 words·4 mins

Networking Comptia

Locking a Network Down Properly — Hardening, Access Control, and Zones

19 July 2026·917 words·5 mins

Networking Security Comptia

The Attacks Aimed at People, Not Protocols — Social Engineering and Malware

18 July 2026·743 words·4 mins

Networking Security Comptia

The Attacks Aimed at the Network Itself — DoS, Spoofing, and Getting Past VLANs

16 July 2026·1353 words·7 mins

Networking Security Comptia

Why Some Data Can't Just Live Anywhere, and Why Some Devices Get Their Own Network

15 July 2026·797 words·4 mins

Networking Security Comptia

Locks, Decoys, and the Words Security People Actually Use

14 July 2026·876 words·5 mins

Networking Security Comptia

Proving Who You Are — Encryption, Certificates, and the Many Ways to Log In

13 July 2026·1323 words·7 mins

Networking Security Comptia

Getting In and Managing It — VPNs, SSH, and the Other Ways Networks Let You Work Remotely

5 July 2026·1354 words·7 mins

Networking Comptia Security Homelab

The Service Running Every Time I Connect to a Network — DHCP, SLAAC, and Keeping Clocks in Sync

3 July 2026·1468 words·7 mins

Networking Dhcp Comptia Homelab

The Beauty of DNS — Why One System Filters Everything You Connect To

1 July 2026·1990 words·10 mins

Networking Dns Comptia Security

Disaster Recovery — Planning for When Things Go Wrong

25 June 2026·1184 words·6 mins

Networking Comptia

Network Monitoring — Knowing What Your Network Is Actually Doing

24 June 2026·1503 words·8 mins

Networking Comptia Security

Organisational Processes — How Networks Get Documented and Managed

22 June 2026·1407 words·7 mins

Networking Comptia

Physical Installations — What a Network Actually Sits In

21 June 2026·1070 words·6 mins

Networking Comptia

Wireless Networks — Selecting and Configuring the Right Setup

19 June 2026·1713 words·9 mins

Networking Comptia Wireless Security Homelab

Switching and VLANs — Dividing a Network on Purpose

17 June 2026·1459 words·7 mins

Networking Comptia Security Vlan Switching Homelab

Routing — How Networks Decide Where Traffic Goes

15 June 2026·1937 words·10 mins

Networking Comptia Routing

Where Networking Is Heading — SDN, Zero Trust, SASE, IPv6 and IaC

13 June 2026·2088 words·10 mins

Networking Comptia Cloud Infrastructure-as-Code

IP Types and Traffic Types — Filling In the Gaps

11 June 2026·805 words·4 mins

Networking Comptia Protocols

Security Got Me Here — Cloud Is Where I'm Going

10 June 2026·748 words·4 mins

Linux Cloud Career Personal Open-Source

Transmission Media — From Copper I've Pulled to the Wi-Fi I Got Backwards

9 June 2026·2495 words·12 mins

Networking Comptia Security Wireless Cabling

IPv4 Addressing — Making the Numbers Make Sense

8 June 2026·3339 words·16 mins

Networking Comptia Security Ipv4 Subnetting Homelab

The Shape of a Network — and Why It Matters for Security

6 June 2026·2220 words·11 mins

Networking Comptia Security Homelab Linux

The Cloud Is Just Someone Else's Computer — Making Sense of Cloud Concepts

5 June 2026·1660 words·8 mins

Networking Security Cloud Comptia Soc

From Router to Reverse Proxy — Understanding the Devices Behind a Network

4 June 2026·1928 words·10 mins

Networking Security Appliances Comptia Soc Homelab

Seven Layers, One Web Page, and a Movie Night That Would Not Start

3 June 2026·2369 words·12 mins

Networking Security Osi-Model Comptia Soc Troubleshooting

The Network Ports Worth Memorising — and Why I Could Never Remember Them as Numbers

2 June 2026·2130 words·10 mins

Networking Security Ports Protocols Comptia Soc Homelab

TCP/IP — The Acronym I Ignored, and Why SOC Roles Demand It

1 June 2026·2176 words·11 mins

Networking Security Tcp-Ip Comptia Soc Homelab Personal

What a VPN Actually Does — and the Three Jobs I Use One For

31 May 2026·3269 words·16 mins

Security Networking Vpn Privacy Comptia Open-Source Homelab

Security Isn't a Job Title — It's a Way of Thinking

26 May 2026·1377 words·7 mins

Security Open-Source Privacy Career Personal

Why Linux — and Why It Matters More Than You Think

25 May 2026·2052 words·10 mins

Linux Security Open-Source Redhat Career Personal

The Long Way to Linux

24 May 2026·1281 words·7 mins

Linux Comptia Open-Source Career Personal

Why I Started fionnlinux.com

19 May 2026·625 words·3 mins

Linux Comptia Hugo Blowfish Open-Source Career Homelab