Welcome to my site where I write about different tech topics. My current interests are
🔐 Cyber Security (THM writeups here)
🐧 Linux
✳️ Networking
⚙️ Automation and public cloud infrastucture
🧠 Knowledge Management Tools
⏩ QuickTip: Upload file to Nextcloud share with curl
⏩ QuickTip: Use @ sign with German keyboard and macOS when accessing Linux
![](https://b.27p.de/p/00017-update-oci-security-list-ansible/ansible-oci-penguin-cover.jpeg)
Use Ansible to update OCI security list with dynamic IP address
![](https://b.27p.de/p/00016-ffmpeg-apple-silicon-h265-encoding/ffmpeg-videotoolbox-cover.jpeg)
Hardware Encoding with Apple silicon using videotoolbox (H.265)
![](https://b.27p.de/p/00015-chatgpt-something-went-wrong/lock-decryption-math-cover.jpeg)
Finding out why 'Something went wrong' with ChatGPT
![](https://b.27p.de/p/00014-pan-os-u-turn-nat/drifting-uturn-future-cover.jpeg)
Deep diving U-Turn NAT on PAN-OS
⏩ QuickTip: Rename Proxmox interfaces
![](https://b.27p.de/p/00013-macos-shortcuts-are-amazing/mouse-keyboard-shortcuts-cover.jpeg)
macOS Shortcuts are amazing
![](https://b.27p.de/p/00012-learning-terraform-and-ansible-with-gns3/gns3-ansible-terraform-cover.jpeg)
Learning Terraform and Ansible by setting up a GNS3 server
![](https://b.27p.de/p/00011-gns3-socat-proxy/gns3-socat-cover.jpeg)