[mrtg] MRTG page shows only text

[Kjetil Kvig]

I am monitoring about 50 routers.
The monitoring/displaying of graphs have worked perfectly until i recently changed the user/group owner in apaches httpd.conf file.
SOME of the graphs still work, but a few of them only display text where the images should have been displayed...
I use routers2.cgi to disply them.
The error message says "permission denied" but i cant see where...even if i chmod all folders to 777, and change owner/group to "apache" (or "nobody" which i also tried).

This is a sample of one of the links on the page:


RRD Error: Opening '/var/www/html/graphs/fd.cfg-10.16.254.254-CPU-ds-n.png' for write: Permission denied

You can visit the configuration verification page here.

RRD: /var/www/html/mrtg/10.16.254.254-cpu.rrd
Device: [fd.cfg] 
Interface: 10.16.254.254-CPU
Interfaces: 10.16.254.254_et.1.1,10.16.254.254-CPU,10.16.254.254_et.1.2,10.16.254.254_et.1.3,10.16.254.254-mem,10.16.254.254_et.1.4,10.16.254.254-L2,10.16.254.254_et.1.5,10.16.254.254-L3,10.16.254.254_et.1.6,10.16.254.254_et.1.8,10.16.254.254_et.2.8

Params: /var/www/html/graphs/fd.cfg-10.16.254.254-CPU-ds-n.png --imgformat PNG --base 1024 --lazy -l 0 --interlaced -w 140 -h 100 -s end-1000m --x-grid HOUR:1:HOUR:24:HOUR:2:0:%k --title CPU Percentage for 10.16.254.254 --vertical-label Percentage use DEF:in=/var/www/html/mrtg/10.16.254.254-cpu.rrd:ds0:AVERAGE DEF:out=/var/www/html/mrtg/10.16.254.254-cpu.rrd:ds1:AVERAGE DEF:min=/var/www/html/mrtg/10.16.254.254-cpu.rrd:ds0:MAX DEF:mout=/var/www/html/mrtg/10.16.254.254-cpu.rrd:ds1:MAX AREA:in#00cc00 CDEF:down=in,UN,INF,0,IF AREA:down#d0d0d0 HRULE:100#ff0000 PRINT:min:MAX:CPU Max %6.2lf %s, PRINT:in:AVERAGE:Avg %6.2lf %s, PRINT:in:LAST:Last %6.2lf %s 



Regards
Kjetil Kvig

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