init

Signed-off-by: Nico Schottelius <nico@manager.schottelius.org>

stats/plot_memory.sh

@@ -0,0 +1,28 @@
+#! /bin/bash
+
+WDIR=/root/bin/stats
+TODAY=$(/bin/date +%s)
+WWWDIR=/home/server/www/nico/org/schottelius/tech/stats
+
+## extract mem values from /proc/meminfo
+
+RAM=`grep MemFree /proc/meminfo|tr -s [:blank:]|cut -f2 -d" "`
+SWAP=`grep SwapFree /proc/meminfo|tr -s [:blank:]|cut -f2 -d" "`
+#SWAP=`grep  /proc/meminfo|tr -s [:blank:]|cut -f2 -d" "`
+
+#echo $SWAP
+
+## write data into the RRD
+
+rrdtool update $WDIR/rrdtool/memory.rrd $TODAY:$RAM:$SWAP
+
+## draw the graph
+
+rrdtool graph $WWWDIR/memory.gif \
+--start -86400 \
+--vertical-label "kBytes free" \
+-w 600 -h 200 \
+DEF:ram=$WDIR/rrdtool/memory.rrd:ram:AVERAGE \
+DEF:swap=$WDIR/rrdtool/memory.rrd:swap:AVERAGE \
+AREA:ram#00ff00:"RAM" \
+LINE1:swap#0000ff:"Swap"