You are using Collectd 4, which is deprecated by CGP. Graphs like df and interfaces may be incomplete.
cabuwazi-feld

memory

"--base" "1024" "-l" "0" "-w" "800" "-h" "350" "-t" "Physical memory utilization on cabuwazi-feld" "-v" "Bytes" "-s" "e-86400" "DEF:min_4d2ec1c8_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-free.rrd:value:MIN" "DEF:avg_4d2ec1c8_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-free.rrd:value:AVERAGE" "DEF:max_4d2ec1c8_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-free.rrd:value:MAX" "DEF:min_a6f27a7c_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-cached.rrd:value:MIN" "DEF:avg_a6f27a7c_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-cached.rrd:value:AVERAGE" "DEF:max_a6f27a7c_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-cached.rrd:value:MAX" "DEF:min_88bb6825_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-buffered.rrd:value:MIN" "DEF:avg_88bb6825_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-buffered.rrd:value:AVERAGE" "DEF:max_88bb6825_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-buffered.rrd:value:MAX" "DEF:min_79476318_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-used.rrd:value:MIN" "DEF:avg_79476318_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-used.rrd:value:AVERAGE" "DEF:max_79476318_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-used.rrd:value:MAX" "DEF:min_ff239b9b_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-slab_recl.rrd:value:MIN" "DEF:avg_ff239b9b_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-slab_recl.rrd:value:AVERAGE" "DEF:max_ff239b9b_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-slab_recl.rrd:value:MAX" "DEF:min_33c4eb0a_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-slab_unrecl.rrd:value:MIN" "DEF:avg_33c4eb0a_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-slab_unrecl.rrd:value:AVERAGE" "DEF:max_33c4eb0a_raw=rrd.php?path=cabuwazi-feld%2Fmemory%2Fmemory-slab_unrecl.rrd:value:MAX" "CDEF:min_4d2ec1c8=min_4d2ec1c8_raw,1,*" "CDEF:avg_4d2ec1c8=avg_4d2ec1c8_raw,1,*" "CDEF:max_4d2ec1c8=max_4d2ec1c8_raw,1,*" "CDEF:min_a6f27a7c=min_a6f27a7c_raw,1,*" "CDEF:avg_a6f27a7c=avg_a6f27a7c_raw,1,*" "CDEF:max_a6f27a7c=max_a6f27a7c_raw,1,*" "CDEF:min_88bb6825=min_88bb6825_raw,1,*" "CDEF:avg_88bb6825=avg_88bb6825_raw,1,*" "CDEF:max_88bb6825=max_88bb6825_raw,1,*" "CDEF:min_79476318=min_79476318_raw,1,*" "CDEF:avg_79476318=avg_79476318_raw,1,*" "CDEF:max_79476318=max_79476318_raw,1,*" "CDEF:min_ff239b9b=min_ff239b9b_raw,1,*" "CDEF:avg_ff239b9b=avg_ff239b9b_raw,1,*" "CDEF:max_ff239b9b=max_ff239b9b_raw,1,*" "CDEF:min_33c4eb0a=min_33c4eb0a_raw,1,*" "CDEF:avg_33c4eb0a=avg_33c4eb0a_raw,1,*" "CDEF:max_33c4eb0a=max_33c4eb0a_raw,1,*" "CDEF:area_33c4eb0a=avg_33c4eb0a" "CDEF:area_ff239b9b=area_33c4eb0a,avg_ff239b9b,ADDNAN" "CDEF:area_79476318=area_ff239b9b,avg_79476318,ADDNAN" "CDEF:area_88bb6825=area_79476318,avg_88bb6825,ADDNAN" "CDEF:area_a6f27a7c=area_88bb6825,avg_a6f27a7c,ADDNAN" "CDEF:area_4d2ec1c8=area_a6f27a7c,avg_4d2ec1c8,ADDNAN" "AREA:area_4d2ec1c8#bff7bf" "AREA:area_a6f27a7c#bfbfff" "AREA:area_88bb6825#ffebbf" "AREA:area_79476318#ffbfbf" "AREA:area_ff239b9b#d8ffbf" "AREA:area_33c4eb0a#ffdfbf" "LINE1:area_4d2ec1c8#00e000:Free " "GPRINT:min_4d2ec1c8:MIN:%5.1lf%s Min," "GPRINT:avg_4d2ec1c8:AVERAGE:%5.1lf%s Avg," "GPRINT:max_4d2ec1c8:MAX:%5.1lf%s Max," "GPRINT:avg_4d2ec1c8:LAST:%5.1lf%s Last\l" "LINE1:area_a6f27a7c#0000ff:Cached " "GPRINT:min_a6f27a7c:MIN:%5.1lf%s Min," "GPRINT:avg_a6f27a7c:AVERAGE:%5.1lf%s Avg," "GPRINT:max_a6f27a7c:MAX:%5.1lf%s Max," "GPRINT:avg_a6f27a7c:LAST:%5.1lf%s Last\l" "LINE1:area_88bb6825#ffb000:Buffered " "GPRINT:min_88bb6825:MIN:%5.1lf%s Min," "GPRINT:avg_88bb6825:AVERAGE:%5.1lf%s Avg," "GPRINT:max_88bb6825:MAX:%5.1lf%s Max," "GPRINT:avg_88bb6825:LAST:%5.1lf%s Last\l" "LINE1:area_79476318#ff0000:Used " "GPRINT:min_79476318:MIN:%5.1lf%s Min," "GPRINT:avg_79476318:AVERAGE:%5.1lf%s Avg," "GPRINT:max_79476318:MAX:%5.1lf%s Max," "GPRINT:avg_79476318:LAST:%5.1lf%s Last\l" "LINE1:area_ff239b9b#65ff00:slab_recl " "GPRINT:min_ff239b9b:MIN:%5.1lf%s Min," "GPRINT:avg_ff239b9b:AVERAGE:%5.1lf%s Avg," "GPRINT:max_ff239b9b:MAX:%5.1lf%s Max," "GPRINT:avg_ff239b9b:LAST:%5.1lf%s Last\l" "LINE1:area_33c4eb0a#ff7f00:slab_unrecl" "GPRINT:min_33c4eb0a:MIN:%5.1lf%s Min," "GPRINT:avg_33c4eb0a:AVERAGE:%5.1lf%s Avg," "GPRINT:max_33c4eb0a:MAX:%5.1lf%s Max," "GPRINT:avg_33c4eb0a:LAST:%5.1lf%s Last\l"