Install Linux kernel headers in Debian

sudo apt install linux-headers-$(uname -r) 

Run Ollama with Open WebUI inside a Docker container and make them accessible from outside

docker run -d -p 11434:11434 -p 3000:8080 --gpus all -e OLLAMA_HOST=0.0.0.0 -e OLLAMA_FLASH_ATTENTION=1 -e OLLAMA_KEEP_ALIVE=-1 -e OLLAMA_KV_CACHE_TYPE=q4_0 -e OLLAMA_BASE_URLS=http://0.0.0.0:11434 -v /data/ollama/.ollama:/root/.ollama -v open-webui:/app/backend/data --name open-webui --restart always --pull always ghcr.io/open-webui/open-webui:ollama

Useful MCP servers for Claude Code

For web content scraping

claude mcp add playwright npx @playwright/mcp@latest

Speed-up XRDP on Debian

Edit /etc/xrdp/xrdp.ini

Locate tcp_send_buffer_bytes and change to:

tcp_send_buffer_bytes=4194304

sudo sysctl -w net.core.wmem_max=8388608

Create /etc/sysctl.d/xrdp.conf file and add the following:

net.core.wmem_max = 8388608

Upgrade to Windows 11 on unsupported hardware

1. Download Windows 11 ISO
2. Disable networking
3. Mount the ISO
4. Open a Command Prompt and run:
• X:\sources\setupprep.exe /product server

Check for SMART status on Debian

 Install smartmontools and use smartctl:

sudo smartctl --all /dev/xxx

Unable to turn on BitLocker Error: System cannot find the file specified

Rename C:\Windows\System32\Recovery\REAgent.xml to REAgent.old 

Reference: https://learn.microsoft.com/en-us/answers/questions/3185720/unable-to-turn-on-bit-locker-error-system-cannot-f