first commit

scripts/loop_a_function.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+#loop a function
+
+FILE="../servers"
+
+uptime_ost ()
+{
+for host in $(cat ${FILE})
+do
+ssh -o ConnectTimeout=3 -n root@$host "uptime"  >> uptime_$host
+done
+}
+
+while true ;do
+        uptime_ost;
+       sleep 5
+done > /dev/null 2>&1