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Port 31154 is listening inside the container (that’s the SSH daemon we started). But the cloud proxy might not be forwarding traffic to it externally.

To check if SSH is actually accessible from outside, run this inside the container:

# 1. Check if SSH is listening on the right interface
cat /proc/net/tcp | grep "$(printf '%04X' 31154 | sed 's/\\(..\\)\\(..\\)/\2\1/')"

# 2. Check what external IP the container sees
curl -s ifconfig.me 2>/dev/null || echo "no external IP"

# 3. Test SSH locally (from inside the container to itself)
ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 root@localhost -p 31154 "echo SSH_LOCAL_OK"

To test from your Mac (outside):

ssh -o ProxyCommand=none -v root@36.150.116.206 -p 31154 2>&1 | head -10

But based on my earlier test from my end, the external port 31154 is still refused — the cloud proxy hasn’t remapped it after the crash.

Simplest way forward: just use the Jupyter terminal to run FLUX.1-dev. No need for SSH.


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