Update readme.md

readme.md

@@ -1,3 +1,24 @@
 ```
 apt update && apt -y install wget && wget https://raw.githubusercontent.com/JozefJarosciak/xgpu/main/gpu.sh && chmod +x gpu.sh && ./gpu.sh
 ```
+
+
+#########################
+# OTHER USEFUL COMMANDS #
+#########################
+
+Tail logs:
+```
+tail -f /XENGPUMiner/miner.log
+tail -f /XENGPUMiner/xengpuminer.log
+```
+
+# Launch the miner and associated Python script multiple times - skipped here - one is ok
+```
+(for i in {1..1}; do nohup ./xengpuminer -b 350 &> /dev/null & done) &
+```
+
+# Maintenance kill multiple instances when needed
+```
+pkill -f "xengpuminer"
+```