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Alert checker for high memory usage on Linux
by Paludan, Ulrik 17 Jul '18

17 Jul '18

I'm trying to setup a high memory usage alert on Ubuntu Linux hosts. I'm using type entity mempool_perc in alert test 'mempool_perc greater 90'. However mempool_perc reports all memory used, including cache/buffer memory used by Linux, but still available to be released for applications as necessary. So my alert checker generates false alerts as soon as memory usage including cache/buffer exceeds 90%, which it does quit often on most of my servers. How can I setup a memory alert checker for available physical memory below a certain threshold? Observium online guide states: 'On Unix/Linux systems we generate a special "Physical Memory" memory pool entity by calculating memory usage minus buffer and cache. Use this for alerting on Unix/Linux' But not really sure how to use that entity? Is the entity name 'Physical_Memory', does it return result in bytes, percentage ? Thanks in advance Med venlig hilsen | With kind regards | Mit freundlichen Grüßen Ulrik Paludan | IT Operations NOVASOL AS Virumgårdsvej 27 - DK 2830 Virum Phone +45 39 14 31 82 ulrik.paludan(a)novasol.com<mailto:ulrik.paludan@novasol.com> www.novasol.com | www.dansommer.dk<http://www.dansommer.dk/> | www.cuendet.com<http://www.cuendet.dk/> NOVASOL AS IS A WYNDHAM RENTALS COMPANY Please consider the environment before printing this e-mail

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Flapping interfaces
by Andrew Lemin 17 Jul '18

17 Jul '18

Hi, We are trying to create an Alert Checker to detect for flapping network interfaces. How can we do this with Observium? Is this possible? Thanks, Andy.

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Windows 10 Auto Discovery
by Connary, Scott 17 Jul '18

17 Jul '18

Good day: I am working on getting our windows environment set for auto discovery. It is working for our switches once we enable LLDP and have the correct SNMP setting in place. With Windows 10 I am having no luck in having them auto discovered. I can manually add a windows workstation to Observium via the add feature. When looking at devices in Observium I can see that a switch sees the workstation NIC via LLDP. However it only sees it as a MAC and provides no further information on the system itself. Windows 10: 64Bit Symantec Endpoint Protection AV SNMP Enabled and properly configured. LLDP looks to be on in NIC features. LLTD does not stay on under Windows Services. Thank you, Scott

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Alert association including all devices with recent version
by Thibault Richard 15 Jul '18

15 Jul '18

Hello The "Entity Association Ruleset" has been recently modified On this screenshot you can see both type ("Memory usage" use the old syntax with "Device & Entity" . while "Device down" use the new syntax) My question is simple . as we are obliged to associate an "Alert check" to devices, how are we supposed to specify "All devices" ? It's indeed no longer possible to specify * I've achieved my goal by specifying "device.ignore notequals 1" but this is not intuitive at all. Is there an easier way to do it ? Best Regards Thibault

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Alerts for Cumulative Throughput
by Jonathan HoSee 13 Jul '18

13 Jul '18

Hello, is there a way to setup an alert checker to be set for a certain percentage of the cumulative throughput graphs much like you can with interface capacity? Please let me know what these particular settings are. Thanks, Jon

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Alerts table not refreshed after discovery
by Fabrice Charlier 13 Jul '18

13 Jul '18

Hi, We observed the following behavior with Observium Subscription Edition 18.7.8339. We have a alert checker define on used pourcentage on file systems. Previously, if we add a filesystem to a server, a new entry entry in the alert table associated with this alert checker was created. It seems to be not the case anymore. Note that the new filesystem is reported as found in the event log and that the monitoring part is working perfectly. Regards, Fabrice

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Graphs are showing 13MB throughput on a 6MB link
by Anthony Polselli 12 Jul '18

12 Jul '18

Just noticed that the bandwidth graphs are not reporting the correct throughput. I.e. a 6MB T-1 link is showing 13MB on the Out. This router is a Cisco 7204VXR. I just tried updating to the current version of Observium, patched the OS, and rebooted but no change. Thoughts? [NN with R Flattened_250 x 84] __________________________________________ Anthony Polselli Chief Technology Officer Natural Networks, Inc. 10225 Barnes Canyon Rd. Suite A105 San Diego, CA 92121 anthony(a)naturalnetworks.com<mailto:anthony@naturalnetworks.com> http://www.naturalnetworks.com<http://www.naturalnetworks.com/> (619) 222-3232, ext: 101 office (858) 202-0301 fax

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IoT snmp
by Arnoldo Vidal Bravo 12 Jul '18

12 Jul '18

hi i have an iot sensing temperature. iot respond snmp querys version 1, (confirmed by linux command), how to add to observium? Because i can't note: custom oid -- Saluda cordialmente

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Best practice for "Port Down"?
by Eric W. Bates 12 Jul '18

12 Jul '18

I quite like the idea that Observium notes "down" ports; however, in my case, most are false-positive in that they belong to users who power down after hours. Our normal port description for an unallocated port is "NXC" (No Xross Connect) to the "Ignore Ports by ifName/ifDescr" and that has helped. In a perfect world, I want to monitor all ports which interconnect between our switches, and all ports in the Data Center; but ignore everything else. Can I put a negated RegExp in "Ignore ports by ifAlias Regular Expression" instead? Thank you. -- Clark 159a, MS 46 508/289-3112

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Re: [Observium] Syslog issue
by Mike Stupalov 11 Jul '18

11 Jul '18

Hi, read this section: http://docs.observium.org/syslog/#match-syslog-hostnameip-with-device You have troubles with association between observium devices hostname and rsyslog received hosts. You must set preserve FQDN or just use associate by IP (as written in docs). > Satish Patel <mailto:satish.txt@gmail.com> > 11 July 2018 at 17:44 > I want to integrate syslog with my observium and i am following all > these steps http://docs.observium.org/syslog/ > > I am using rsyslog, I have point my Cisco gears to observium and i can > see in tcpdump logs are coming from cisco routers, now issue is i > can't see them in GUI interface, how do i troubleshoot now? > _______________________________________________ > observium mailing list > observium(a)observium.org > http://postman.memetic.org/cgi-bin/mailman/listinfo/observium -- Mike Stupalov Observium Limited, http://observium.org

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