diff --git a/find-in-jars.sh b/find-in-jars.sh
index 5b76ca36..25382cdb 100755
--- a/find-in-jars.sh
+++ b/find-in-jars.sh
@@ -46,10 +46,8 @@ done
 [ -z "$1" ] && { echo No find file pattern! ; usage 1; }
 dir=${dir:-.}
 
-find ${dir} -iname '*.jar' | while read jarFile
-do
-        jar tf ${jarFile} | egrep "$1" | while read file
-        do
-                echo "${jarFile}"\!"${file}"
-        done
+find ${dir} -iname '*.jar' | while read jarFile; do
+    jar tf ${jarFile} | egrep "$1" | while read file; do
+        echo "${jarFile}"\!"${file}"
+    done
 done
diff --git a/monitor-host.sh b/monitor-host.sh
new file mode 100755
index 00000000..d1f4164b
--- /dev/null
+++ b/monitor-host.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+# @Function
+# monitor host:network io memory cpu 
+#
+# @Usage
+#   $ ./monitor-host.sh
+#
+# @author Bryant Hang
+
+DELAY=10
+COUNT=60
+
+LOG_PATH='monitor_path'
+
+if ! [ -d $monitor_log_path ]; then
+        mkdir -p $monitor_log_path
+fi
+
+cur_date="`date +%Y%m%d`"
+
+top_log_path=$LOG_PATH'/top_'$cur_date'.log'
+memory_log_path=$LOG_PATH'/memory_'$cur_date'.log'
+cpu_log_path=$LOG_PATH'/cpu_'$cur_date'.log'
+io_log_path=$LOG_PATH'/io_'$cur_date'.log'
+network_log_path=$LOG_PATH'/network_'$cur_date'.log'
+
+# total performance check
+top -b -d $DELAY -n $COUNT > top_log_path 2>&1 &
+
+# memory check
+vmstat $DELAY $COUNT > memory_log_path 2>&1 &
+
+# cpu check
+sar -u $DELAY $COUNT > cpu_log_path 2>&1 &
+
+# IO check
+iostat $DELAY $COUNT > io_log_path 2>&1 &
+
+# network check
+sar -n DEV $DELAY $COUNT > network_log_path 2>&1 &
\ No newline at end of file
diff --git a/show-cpu-and-memory.sh b/show-cpu-and-memory.sh
new file mode 100755
index 00000000..f8187dc8
--- /dev/null
+++ b/show-cpu-and-memory.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+# @Function
+# Show total and every process's memory and cpu usage
+#
+# @Usage
+#   $ ./show-cpu-and-memory.sh
+#
+# @author Bryant Hang
+cur_date="`date +%Y%m%d`"
+
+total_mem="`free -m | grep 'Mem'`"
+total_cpu="`top -n 1 | grep 'Cpu'`"
+
+echo '**********'$cur_date'**********'
+
+echo ''
+
+echo $total_mem
+echo $total_cpu
+
+echo ''
+
+for i in `ps -ef | grep -v "awk|$0" | awk '{print $2}'` 
+do 
+	# not pid
+	if [[ $i == *[!0-9]* ]]; then
+		continue
+	fi
+
+    mem=`cat /proc/$i/status 2> /dev/null | grep VmRSS | awk '{print $2" " $3}'` 
+    cpu=`top -n 1 -b | awk '$1=='$i'{print $9}'` 
+
+    echo 'pid: '$i', memory: '$mem', cpu:'$cpu'%'
+done
\ No newline at end of file