Author Archives: Ahmed Tawfik

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About Ahmed Tawfik

Cybersecurity Professional, Systems Engineer, OSS & Linux Geek

Count JSON objects in a file using jq

Posted on February 27, 2026 by Ahmed Tawfik

Simply run: For example: Will return 2! That’s it, Enjoy! Sources:

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Enable debug mode for Ollama on Linux/mac

Posted on February 24, 2026 by Ahmed Tawfik

Simply run it as follows: Note: You might want to export another variable to show the ollama serve command where the models are saved in case you receive a 404 about model not available, this happened to me for some … Continue reading →

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Build & Run LibreTranslate Docker Image for Offline Work

Posted on February 18, 2026 by Ahmed Tawfik

The documentation on https://hub.docker.com/r/libretranslate/libretranslate was a bit misleading, so here are the proper steps: Building The above will take some time to build and download all the dictionaries for offline use. Running That’s it, Enjoy! Sources

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Set Ollama default context size on Linux

Posted on February 3, 2026 by Ahmed Tawfik

Just as simply as this: Then add the following lines (to set to 64k tokens context size): Save and exit, then restart Ollama: And you’re done: Note: Tested on Ubuntu 24.04 with Ollama 0.15 That’s it, Enjoy!

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How to send a random alphanumeric in Postman

Posted on March 4, 2025 by Ahmed Tawfik

If you have a kind of session ID or something that you are passing in your payload in your request on postman and you want it to be generated randomly with each call, use the randomAlphaNumberic function as follows: In … Continue reading →

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