Chart issue - new installed

it looks like you may have tried to do an svn co over the top of an existing CE install, or something similar.

try these instructions to restore a clean SVN:

https://docs.observium.org/ce-migration/

if you're running an install-guide install on an RHEL-derivative, your poller will run as root, so the most likely cause is a code execution error caused by svn.

this device last polled was 20 minutes ago, which suggests the poller isn't successfully running.

your install directory has very bizarre permissions and some odd log files in it, what distro is this installed on, and what instructions did you follow to install it?

in general if you're having trouble we recommend installing on ubuntu 22.04 with the install script.

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I have purchased a license and I have such problems - please help

i think this polle in empty - i do have right?

[root@t1-observium-new observium]# rrdtool fetch /opt/observium/rrd/10.0.30.40/ucd_mem.rrd AVERAGE --start -1h
                      totalswap           availswap           totalreal           availreal           totalfree              shared            buffered              cached

1682079300: -nan -nan -nan -nan -nan -nan -nan -nan
1682079600: -nan -nan -nan -nan -nan -nan -nan -nan
1682079900: -nan -nan -nan -nan -nan -nan -nan -nan
1682080200: -nan -nan -nan -nan -nan -nan -nan -nan
1682080500: -nan -nan -nan -nan -nan -nan -nan -nan
1682080800: -nan -nan -nan -nan -nan -nan -nan -nan
1682081100: -nan -nan -nan -nan -nan -nan -nan -nan
1682081400: -nan -nan -nan -nan -nan -nan -nan -nan
1682081700: -nan -nan -nan -nan -nan -nan -nan -nan
1682082000: -nan -nan -nan -nan -nan -nan -nan -nan
1682082300: -nan -nan -nan -nan -nan -nan -nan -nan
1682082600: -nan -nan -nan -nan -nan -nan -nan -nan
1682082900: -nan -nan -nan -nan -nan -nan -nan -nan

poller: