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Services

Prices

Get me and my teams full attention and solve an urgent issue within a week 10.000 EUR.

20 hour voucher 3000 EUR.

300 EUR per hour.

Join my community for 100 EUR per month. 

Main Services

  • Ubuntu Server (Linux) and web site optimization, maintenance, updating, fixing and upgrading.
    • Drupal, Wordpress, Prestashop, Magento, Moodle, CodeIgniter, Laravel and Atlassian products.
  • Scripting in Linux, bash, and R-scripting for optimizing business processes and handling small or large amounts of data including APIs.
    • Examples: RESTful APIs (For example in Drupal), Bank APIs for Spiir and Wise (Transferwise), Facebook APIs, Binance API for auto crypto trading and crypto management, Google APIs for logins etc.
  • Docker  Containers
    • Vaultwarden - self hosted password manager.
  • Speciality in Drupal 5, 6, 7, 8, 9 and 10.
    • Upgrade you web site from Drupal 7 to the latest Drupal. End of life for Drupal 7 November 2023, it's a good idea to upgrade to the latest Drupal so it runs smoothly with PHP 8 and scores better on the Google Rankings. Read more: Drupal 7's End-of-Life extended to November 1, 2023 - PSA-2022-02-23. 
  • Web crawling/scraping development in R and Python.
  • Single point of contact digital project management.

I offer live remote support and screen sharing with Skype or Mikogo: Mikogo Remote Support

Excel Freelancer

Business and Logistics

  • Forecasting, seasonal profiles - implementation of replenishment software. I have participated in the implementation of E3 (ASR + AWR + OPT) Advanced Replenishment fra JDA in Denmark, Sweden, and Finland for the largest distributor of building materials in the Nordics.
  • Business decision tools, business cases, and idea descriptions.
  • Optimization - route planning and scheduling.
  • Logistics consultancy - LEAN, simulation, process analysis, business optimization.

Web

  • Web development in Drupal CMS. Latest major project: IdeaHunters.dk
    • Web hosting - specialized Drupal hosting included.
    • See examples in my portfolio.

Tags

  • Linux
  • server
  • Web
  • hosting
  • development
Last modified
2026-05-25

Review Greg on Google

Greg Nowak Google Reviews

 

Illustrated infographic summarizing: Cloudflare Service Keys Stop in September: Find Every Caller
Cloudflare Service Keys Stop in September: Find Every Caller
2026-07-20

Cloudflare Service Keys stop working on September 30, 2026. Here is how to find every caller, move to scoped API tokens and avoid a late outage.

Illustrated infographic summarizing: Your AI Workflow Needs an Acceptance Test Before It Meets Customers
Your AI Workflow Needs an Acceptance Test Before It Meets Customers
2026-07-19

A practical way to test AI workflows using realistic scenarios, tool checks, human rubrics, regression suites, and clear release gates.

Three cover candidates for The Goats Were Load-Bearing fanned on a dark background: an ember-lit door, three slow knocks, and a founders' ledger
The Goats Were Load-Bearing: a fantasy where the bill always comes due
2026-07-19

A teaser for the upcoming darkly comic fantasy novel The Goats Were Load-Bearing — a village, a door that must stay poor, and the worst possible time to sell the herd. Readers pick the cover.

Vegan Power game: the yellow player catches falling fruit while a chicken and a cow look on
Vegan Power: The Little Game About Eating Fruit, Not Friends
2026-07-19

Vegan Power is a free browser game where you catch fruit, dodge the animals, protect seven hearts, and chase a better high score.

KotobaMon title screen: the Japanese logo コトバモン over a low-poly 3D island with monsters, cherry-blossom trees and a trainer.
KotobaMon: Shipping a 3D Browser Game With No Build Step and Self-Hosted Voice
2026-07-19

A look at fantasy.grn.dk, a browser-based 3D game that teaches Japanese with no build step, procedural art and self-hosted AI voice, and what its constraints show about shipping interactive products fast and cheap.

Illustrated infographic summarizing: WordPress Forced an Emergency Update. Did Every Site Take It?
WordPress Forced an Emergency Update. Did Every Site Take It?
2026-07-18

WordPress pushed an emergency security update, but teams still need to confirm the right patched version and core integrity on every installation.

Illustrated infographic summarizing: IndexNow: Wire corrections and deletions into the CMS
IndexNow: Wire corrections and deletions into the CMS
2026-07-17

IndexNow works best when CMS workflows report updates, redirects and removals as well as new pages. Here is how to cover the full content lifecycle.

Illustrated infographic summarizing: The EU’s August AI Deadline Reaches Bots and Synthetic Content
The EU’s August AI Deadline Reaches Bots and Synthetic Content
2026-07-16

Article 50 applies from 2 August 2026. Businesses need to map AI touchpoints, clarify ownership, and put workable transparency controls in place.

Illustrated infographic summarizing: A Voice Agent Is Only Ready When the Human Handoff Works
A Voice Agent Is Only Ready When the Human Handoff Works
2026-07-15

A practical guide to voice agents that recognise failure, pass useful context to staff, protect customer data, and improve resolution after launch.

Illustrated infographic summarizing: If the Facts Need JavaScript, AI Search May Miss the Full Page
If the Facts Need JavaScript, AI Search May Miss the Full Page
2026-07-14

A practical guide to finding and fixing JavaScript rendering gaps that can hide services, prices, contact details and metadata from AI search crawlers.

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GrN.dk web platforms, web optimization, data analysis, data handling and logistics.