xpra: insufficient permissions to use socket path '/var/run/xpra/tux-5'

On the remote host, you have to be added to xpra group, e.g:

sudo gpasswd -a user_name xpra

Reasonix: use openrouter as provider for DeepSeek

In ~/.reasonix/config.toml:

[[providers]]
name = "deepseek-flash"
kind = "openai"
base_url = "https://openrouter.ai/api/v1"
model = "deepseek/deepseek-v4-flash"
api_key_env = "OPENROUTER_API_KEY"
context_window = 1000000
price = { cache_hit = 0.0028, input = 0.14, output = 0.28, currency = "$" }
And in ~/.reasonix/.env:

OPENROUTER_API_KEY=sk-or-v1-xxxx

xpra: USE flags to install on gentoo without using nvidia

/etc/portage/package.use/xpra should be:

x11-wm/xpra -video_cards_nvidia
x11-base/xorg-server xvfb