add site_alive_check.sh

data/linux/config/site_alive_check.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+localdir=/tmp/pkill.info
+testurl=http://pkill.info/blog/
+testfile=index.html
+
+testfileaddr=${localdir}/${testfile}
+mkdir -p $localdir
+rm -f ${localdir}/${testfile}
+
+wget --tries=3 --timeout=10 ${testurl} -O ${testfileaddr}
+
+if [[ -f ${testfileaddr}  ]]
+then
+    date;
+    echo "ok";
+else
+    date | mailx -S smtp="smtp://smtp.ust.hk" -s "pkill.info test failed." -r "admin@pkill.info" eric@pkill.info
+fi
+