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Category: IT

Posted on 06/07/202511/07/2025 by CLN

Mattermost Bridge: Consolidating Messages from Multiple External Servers

NOTE: Claude Opus 4 was used for the blog post and the project on github https://github.com/cln-io/mattermost-bridge Requirements We needed a solution to monitor (multiple) external Mattermost instances and forward relevant messages to our primary Mattermost server. […]

Read the Post Mattermost Bridge: Consolidating Messages from Multiple External Servers
Posted on 19/03/202512/06/2025 by CLN

Passing ITIL 4 foundation in a few days

I watched the Itil 4 Foundation Exam Preparation Training by Value Insights on youtube https://www.youtube.com/watch?v=HloUhMK4E6I&list=PLVzkjYR3xN1V9nlcECuygEZVlS4rj5qaf took notes. Then I did the D12 itil quiz until I was reaching 70% 3 times in a row. https://d12.github.io/itil-quiz […]

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Posted on 14/02/202514/02/2025 by CLN

Migrating Home Assistant from a Raspberry pi 4 to an RPI5 (optional: with a PoE injector)

NOTE: No LLMs were used to write this blog post Basically the same procedure as migrating-home-assistant-from-sd-card-to-ssdfollow every step. I ran into an issue as I’m using a PoE injector, and the Pi 5 complains about […]

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Posted on 08/02/202518/02/2025 by CLN

2025 HomeLab setup

NOTE: No LLMs were used to write this blog post As fiber is available to me now (5Gbps) I’ve build a new homelab for 2025.As I share my office with my homelab I purchased a […]

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Posted on 08/02/202508/02/2025 by CLN

Setting up offsite backups with two Synology’s over Tailscale

little writedown NOTE: No LLMs were used to write this blog post Hardware setup Just sharing for the curious, if you are even more curious see my current homelab NOTE: make sure your offsite synology […]

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Posted on 02/02/202508/02/2025 by CLN

Synology DS923+ / DS1823xs+ disk benchmarks

Not really meant as a blog post, more like a note to myself in the future NOTE: Claude 3.5 was used to create the overview table, otherwise no LLMs were used to generate this blog […]

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Posted on 01/08/202412/10/2024 by CLN

Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)

Its just me on my tenant, want to be able to forward 🙂 Login as administrator on https://security.microsoft.com/ Go to “Email & collaboration” then “Policies & Rules” Locate the anti-spam outbound policy

Read the Post Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)
Posted on 26/07/202412/03/2025 by CLN

Setting up a VPN SSID on UniFi

UDM/UXG/Gateways/DreamRouter should all be able to do it. Steps to take Setting up the VLAN Setup an SSID Setup the VPN client upload your WireGuard config I had to tweak my AzireVPN config a little […]

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Posted on 21/07/202412/10/2024 by CLN

Turn a Cloudflare AI worker into Ollama REST API-compatible endpoint (migrate from Ollama to Cloudflare AI)

I’ve recently had to switch from a self-hosted ollama to a Cloudflare worker for development. As I’m using API calls (with Tines) I wanted the transition to go as smooth as possible so I wanted […]

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Posted on 01/12/202301/12/2023 by CLN

No, the UniFi Next-Gen Gateway Lite doesn’t work with the CloudKey gen1 / v1

They did it! They found a way to kill the CloudKey v1.You cannot adopt the UXG-Lite with my Unifi Key UCKV3 1.1.19 out of the box! even when trying manually to force update the Unifi […]

Read the Post No, the UniFi Next-Gen Gateway Lite doesn’t work with the CloudKey gen1 / v1

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  • Mattermost Bridge: Consolidating Messages from Multiple External Servers
  • Failed setup, will retry: Access to /config/file.txt is not allowed.
  • Passing ITIL 4 foundation in a few days
  • Migrating Home Assistant from a Raspberry pi 4 to an RPI5 (optional: with a PoE injector)
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