feat: add infrastructure automation scripts and master improvement plan

scripts/check_ports_now.py

@@ -0,0 +1,21 @@
+import os
+import sys
+import paramiko
+
+sys.stdout.reconfigure(encoding="utf-8")
+pkey = paramiko.Ed25519Key.from_private_key_file(os.path.expanduser('~/.ssh/id_ed25519_snarfnet'))
+
+client = paramiko.SSHClient()
+client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+client.connect("140.44.4.11", username="root", pkey=pkey, timeout=10)
+
+cmd = """
+for p in 22 80 443 6443 10250; do
+    timeout 1 bash -c "echo > /dev/tcp/140.44.4.21/$p" 2>/dev/null && echo "Port $p OPEN" || echo "Port $p CLOSED/FILTERED"
+done
+"""
+stdin, stdout, stderr = client.exec_command(cmd)
+print("PORT SCAN:")
+print(stdout.read().decode())
+client.close()
+