Rrd cacti not updating

01-Aug-2019 23:41

Go to /etc/php5/apache2/and ensure that you have no popen in disable_functions list.

Removing popen from disable_functions list should solve your problem.

You can further check issues as such by manually polling the specific OID on that host: You can use the above command and OID ( just to see if you're getting a reply.RRDTool Command: /usr/bin/rrdtool graph - \ --imgformat=PNG \ --start=-86400 \ --end=-300 \ --title=' Localhost - Load Average' \ --rigid \ --base=1000 \ --height=120 \ --width=500 \ --alt-autoscale-max \ --lower-limit=0 \ --units-exponent='0' \ --vertical-label='processes in the run queue' \ --slope-mode \ --font TITLE:10: \ --font AXIS:7: \ --font LEGEND:8: \ --font UNIT:7: \ DEF:a="/var/lib/cacti/rra/localhost_load_1min_5.rrd":load_1min: AVERAGE \ DEF:b="/var/lib/cacti/rra/localhost_load_1min_5.rrd":load_5min: AVERAGE \ DEF:c="/var/lib/cacti/rra/localhost_load_1min_5.rrd":load_15min: AVERAGE \ CDEF:cdefg=TIME,1417293918, GT,a,a, UN,0,a, IF, IF, TIME,1417293918, GT,b,b, UN,0,b, IF, IF, TIME,1417293918, GT,c,c, UN,0,c, IF, IF, , \ AREA:a#EACC00FF:"1 Minute Average" \ GPRINT:a: LAST:" Current\:%8.2lf\n" \ AREA:b#EA8F00FF:"5 Minute Average": STACK \ GPRINT:b: LAST:" Current\:%8.2lf\n" \ AREA:c#FF0000FF:"15 Minute Average": STACK \ GPRINT:c: LAST:"Current\:%8.2lf\n" \ LINE1:cdefg#000000FF:"" RRDTool Says: OK If under “RRDTool Says:” you see something about not existing file, then you should check permissions to your rra folder. So this folder should have write permissions for www-data user (or your web server user).