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+# Basic networking operations
+
+## Find process binding a port
+
+    # specifically tcp
+    lsof -i tcp:8000
+    # any protocol
+    lsof -i :8000
+
+## DNS
+
+DNS lookup:
+
+    drill <hostname> [record type]
+
+
+So to lookup TXT records,
+
+    drill host.com TXT