Headless server with debian and mldonkey, I search on ed2k/kad network and public trackers for bittorrent. I use plex to stream to my devices.

You could try on ed2k/kad network (emule/amule/mldonkey)

Tor bridge/relay and i2p node

This is the MINIMUM: OS: Ubuntu 20.04 Processor: 4 hardware CPU threads - Intel® Core™ i5 750 or higher Memory: 8 GB RAM Graphics: AMD GCN+ or NVIDIA Kepler+ with up-to-date Vulkan drivers. Support for VK_EXT_graphics_pipeline_library highly recommended. Storage: 85 GB available space Sound Card: Highly recommended

You should try with your CPU and GPU

I know you are asking for cs 1.6, but do you know counter strike 2 is free on steam and have compatibility with Linux?

Mldonkey/amule/emule do not have any ad anyway

Caring is sharing, it is not a crime to share things unless there is an economic profit