Skip to content
  • AI & Development
    • Claude Code on a VPS
    • Claude Custom Instructions
    • Web Development
      • Astro
    • Python
      • Python Functions Reference
    • JavaScript
    • TypeScript
    • Golang
    • Rust
  • Linux & Self-Hosting
    • Linux
    • WSL2
    • pfSense
    • SysAdmin
    • Cyber Security
  • Build in Public
    • Reviews
    • Content Creation
    • ProofSwap
    • XPMetric – Gamified Analytics
    • EasyEarningsTracker
    • YogaPoseMastery
    • Partners
  • All Topics
    • Miscellaneous
  • Discord
  • Courses
  • Store
  • About
  • Support
  • Contact
Ceos3c

Ceos3c

Complicated Things – Made Easy

Stefan

Stefan founded Ceos3c in 2016 and has spent a decade teaching cybersecurity, Linux, and web development through hands-on tutorials. He builds and ships real products while sharing his journey: ProofSwap.me, XPMetric.com, and EasyEarningsTracker.com. Find him on YouTube (youtube.com/stefanrows) and X (@StefanRows).

How to Update the HP 1820-24G Switch Firmware (J9980A)

January 20, 2020 by Stefan
Update HP 1820-24G Firmware

Quick & Easy way to Update the HP 1820-24G Switch Firmware (J9980A). I walk you through the process, including download links to the latest firmware.

Categories SysAdmin Tags hp 1820-24G Firmware Update 2 Comments

How to securely Wipe a Hard Drive – Step by Step

May 11, 2022July 31, 2019 by Stefan
How to Securely wipe a hard drive

Lear how to securely wipe a hard drive before selling your old laptop or computer to make sure nobody else has access to your private data!

Categories Linux, SysAdmin Tags wipe hard drive 1 Comment

‘node’ is not recognized as an internal or external command VSCode

February 22, 2021July 19, 2019 by Stefan

I recently re-installed my Windows 10 machine and Visual Studio Code with it. All my extensions were gone too, and previously I have used the “Code Runner” extension to run JavaScript code directly in Visual Studio Code. I installed it, and when I tried to run my code I got the ‘node’ is not recognized … Read more

Categories Web Development Tags VSCode 1 Comment

Battlefield 5 Stutter Fix (WORKING!)

January 11, 2023December 19, 2018 by Stefan

Quick and easy Battlefield 5 Stutter Fix. I explain step-by-step how to do it. It is as easy as downloading and running a single tool that frees up memory!

Categories Miscellaneous Tags battlefield 5, Gaming, stutter fix 6 Comments

Install Grafana on Ubuntu 18.04 using AWS EC2

May 11, 2022November 14, 2018 by Stefan

Learn how to install Grafana on Ubuntu 18.04 using the AWS EC2 Free Tier! I will show you how to install Grafana on a free AWS EC2 instance, step-by-step!

Categories Linux, SysAdmin Tags install grafana on ubuntu 18.04 3 Comments

Install Linux Mint 19 on VirtualBox: The Complete Guide

January 12, 2023July 9, 2018 by Stefan

In this article, you will learn how to install Linux Mint 19 on VirtualBox. I will guide you through each step so you don’t get lost.

Categories Linux Tags install linux mint 19, VirtualBox 15 Comments

PUBG Microstutter Fix

February 8, 2018January 30, 2018 by Stefan

Today I have a little bit of a different tutorial for you, a PUBG Microstutter Fix.

Read more

Categories Miscellaneous Tags Gaming, PUBG Microstutter Fix 4 Comments

How to update FOG image

May 11, 2022December 19, 2017 by Stefan

Today you will learn how to update FOG image.

Read more

Categories Linux, SysAdmin Tags fog, image, update 2 Comments

How to install OSTicket on AWS

May 11, 2022November 23, 2017 by Stefan

This time I will show you how to install OsTicket on AWS. We are using Amazon’s Free Tier EC2 for this tutorial.

Read more

Categories SysAdmin Tags aws, free tier, osticket 2 Comments

Traffic Shaping for VOIP on pfSense 2.3

February 8, 2018September 15, 2017 by Stefan

Time to prioritize our VOIP Traffic on pfSense! Follow this very short step-by-step tutorial for Traffic Shaping for VOIP on pfSense 2.3!

Read more

Categories pfSense Tags pfsense, qos, traffic shaper, voip 4 Comments
Older posts
Newer posts
← Previous Page1 … Page26 Page27 Page28 Next →

- Free Email Series -

🚀 Tips & Tricks directly to your Inbox

🔒 No spam. Unsubscribe any time.

Security

WSL 2

Python

JavaScript

WebDev

Linux

pfSense

SysAdmin

Reviews

Privacy Policy

Impressum (Germany)

Ethical Hacking Disclaimer

Privacy settings

© 2026 Ceos3c • Built with GeneratePress