# \#collectors **URL:** https://community.netdata.cloud/tag/collectors/75.md [Latest](https://community.netdata.cloud/latest.md) · [Categories](https://community.netdata.cloud/categories.md) · [Tags](https://community.netdata.cloud/tags.md) --- ## [Need help creating an alert for unexpected MongoDB database size changes](https://community.netdata.cloud/t/need-help-creating-an-alert-for-unexpected-mongodb-database-size-changes/7838)
**Author:** [@Richard\_Barrantes](https://community.netdata.cloud/u/Richard_Barrantes)\ **Replies:** 3\ **Last updated:** [December 2, 2025, 6:41pm UTC](https://community.netdata.cloud/t/need-help-creating-an-alert-for-unexpected-mongodb-database-size-changes/7838 "2025-12-02T18:41:47Z")
I would like assistance creating a Netdata alert to detect unexpected changes in MongoDB database size. I’m using the MongoDB collector, and my goal is to trigger an alert only when the database size presents sudden gro… --- ## [SSL cert monitoring and alers](https://community.netdata.cloud/t/ssl-cert-monitoring-and-alers/7780)
**Author:** [@Serhii\_Meleshchenko](https://community.netdata.cloud/u/Serhii_Meleshchenko)\ **Replies:** 1\ **Last updated:** [September 16, 2025, 11:23am UTC](https://community.netdata.cloud/t/ssl-cert-monitoring-and-alers/7780 "2025-09-16T11:23:32Z")
Could you please help configure SSL cert expiration with alert notifications? I’ve configured it like this for each domain cd /opt/netdata/etc/netdata/go.d/ edit x509check.conf update\_every: 60 jobs: name: sitena… --- ## [cannot access cgroup directory](https://community.netdata.cloud/t/cannot-access-cgroup-directory/7765)
**Author:** [@data-smith](https://community.netdata.cloud/u/data-smith)\ **Replies:** 0\ **Last updated:** [August 29, 2025, 5:22pm UTC](https://community.netdata.cloud/t/cannot-access-cgroup-directory/7765 "2025-08-29T17:22:23Z")
I’m running Netdata in kubernetes and I’m getting errors that say ‘cannot read cgroup /host/sys/fs/cgroup’ but i can hop into a running netdata container and see that filesystem. I’m not running selinux. I use the secu… --- ## [Configuring the postgres collector on a self hosted docker instance](https://community.netdata.cloud/t/configuring-the-postgres-collector-on-a-self-hosted-docker-instance/7683)
**Author:** [@GordonFreemanK](https://community.netdata.cloud/u/GordonFreemanK)\ **Replies:** 1\ **Last updated:** [July 7, 2025, 10:47am UTC](https://community.netdata.cloud/t/configuring-the-postgres-collector-on-a-self-hosted-docker-instance/7683 "2025-07-07T10:47:46Z")
Hello! Sorry if this is a basic question, but I am trying to configure a local docker-run instance of netdata and I don’t seem to be able to get any configuration taken in account. I am using a host-editable configurat… --- ## [Multi Instance PostgreSQL Problem](https://community.netdata.cloud/t/multi-instance-postgresql-problem/7492)
**Author:** [@oguzhansrky](https://community.netdata.cloud/u/oguzhansrky)\ **Replies:** 5\ **Last updated:** [April 17, 2025, 3:27pm UTC](https://community.netdata.cloud/t/multi-instance-postgresql-problem/7492 "2025-04-17T15:27:24Z")
Problem/Question I am trying to monitor 3 separate PostgreSQL instances with Netdata’s go.d.plugin on a Raspberry Pi 5. Each instance has a separate job defined in /etc/netdata/go.d/postgres-\*.conf with different name: … --- ## [Unable to limit no. of charts under apps.plugin](https://community.netdata.cloud/t/unable-to-limit-no-of-charts-under-apps-plugin/7480)
**Author:** [@meghnamscs](https://community.netdata.cloud/u/meghnamscs)\ **Replies:** 1\ **Last updated:** [April 6, 2025, 11:33am UTC](https://community.netdata.cloud/t/unable-to-limit-no-of-charts-under-apps-plugin/7480 "2025-04-06T11:33:31Z")
Problem/Question I need just these three charts in the apps.plugin: app.cpu\_utilization app.mem\_usage app.uptime But I’m unable to selectively choose required no. of charts in the Apps section. My attempts so far I’m… --- ## [Has anyone gotten dovecot 2.3 metrics to work (with netdata 2.2.3)? (failed to read values line from export global response )](https://community.netdata.cloud/t/has-anyone-gotten-dovecot-2-3-metrics-to-work-with-netdata-2-2-3-failed-to-read-values-line-from-export-global-response/7319)
**Author:** [@wimvandijck](https://community.netdata.cloud/u/wimvandijck)\ **Replies:** 0\ **Last updated:** [February 15, 2025, 5:50pm UTC](https://community.netdata.cloud/t/has-anyone-gotten-dovecot-2-3-metrics-to-work-with-netdata-2-2-3-failed-to-read-values-line-from-export-global-response/7319 "2025-02-15T17:50:41Z")
Problem/Question I cannot get the dovecot collector to work, and the combination of the dovecot documentation with the netdata docs is confusing more than anything. I have the old\_stats plugin enabled. I can netcat int… --- ## [Netdata v2.2.0 broke php-fpm graphs](https://community.netdata.cloud/t/netdata-v2-2-0-broke-php-fpm-graphs/7181)
**Author:** [@route-dist](https://community.netdata.cloud/u/route-dist)\ **Replies:** 9\ **Last updated:** [February 5, 2025, 6:55am UTC](https://community.netdata.cloud/t/netdata-v2-2-0-broke-php-fpm-graphs/7181 "2025-02-05T06:55:05Z")
Problem/Question We’ve been doing sone php-fpm tuning lately. In the last day or so we noticed short, semi-sporadic patches of data not coming through to the php-fpm graphs. The periods of “empty data” lasts between 15s … --- ## [Linux sensors Charts: Not all metrics charts being shown](https://community.netdata.cloud/t/linux-sensors-charts-not-all-metrics-charts-being-shown/7194)
**Author:** [@meghnamscs](https://community.netdata.cloud/u/meghnamscs)\ **Replies:** 4\ **Last updated:** [January 31, 2025, 8:21pm UTC](https://community.netdata.cloud/t/linux-sensors-charts-not-all-metrics-charts-being-shown/7194 "2025-01-31T20:21:04Z")
Problem/Question My netdata running on v2.1.1 on Linux Machine doesn’t show all the metrics supported under Linux sensors collector. It only shows voltage and current. Relevant docs you followed/actions you took to s… --- ## [Temperature on Raspberryi Pi — lm-sensors deprecated?](https://community.netdata.cloud/t/temperature-on-raspberryi-pi-lm-sensors-deprecated/5910)
**Author:** [@thomasjsn](https://community.netdata.cloud/u/thomasjsn)\ **Replies:** 4\ **Last updated:** [January 27, 2025, 6:35pm UTC](https://community.netdata.cloud/t/temperature-on-raspberryi-pi-lm-sensors-deprecated/5910 "2025-01-27T18:35:27Z")
I recently installed Netdata on a Raspberry Pi 4, but didn’t see any CPU temperature. After installing the lm-sensors package I do see the CPU temperature, but the sensor is labeled as deprecated. Is there some other wa… --- ## [How to view ‘more values’ in Metric](https://community.netdata.cloud/t/how-to-view-more-values-in-metric/7169)
**Author:** [@sommio](https://community.netdata.cloud/u/sommio)\ **Replies:** 1\ **Last updated:** [January 24, 2025, 10:00am UTC](https://community.netdata.cloud/t/how-to-view-more-values-in-metric/7169 "2025-01-24T10:00:03Z")
I can’t move the mouse pointer to ‘more values’ --- ## [useful configuration example to disable collectors](https://community.netdata.cloud/t/useful-configuration-example-to-disable-collectors/7067)
**Author:** [@data-smith](https://community.netdata.cloud/u/data-smith)\ **Replies:** 2\ **Last updated:** [January 9, 2025, 7:26pm UTC](https://community.netdata.cloud/t/useful-configuration-example-to-disable-collectors/7067 "2025-01-09T19:26:47Z")
I see in the code there are some docs for collectors. If i want to disable all collectors but cgroups do i have to go through and find each one and turn it off in configuration? Is there an easier way? Does anyone ha… --- ## [Export systemd journal logs of children to Influxdb](https://community.netdata.cloud/t/export-systemd-journal-logs-of-children-to-influxdb/6913)
**Author:** [@meghnamscs](https://community.netdata.cloud/u/meghnamscs)\ **Replies:** 2\ **Last updated:** [January 7, 2025, 9:39pm UTC](https://community.netdata.cloud/t/export-systemd-journal-logs-of-children-to-influxdb/6913 "2025-01-07T21:39:22Z")
Problem/Question I have a Parent node that has multiple child nodes streaming data to it. I want to enable exporting systemd journal logs of children nodes to Influxdb database. How can I do it? I’m already exporting ch… --- ## [ebpf plugin installation failing](https://community.netdata.cloud/t/ebpf-plugin-installation-failing/5998)
**Author:** [@meghnamscs](https://community.netdata.cloud/u/meghnamscs)\ **Replies:** 1\ **Last updated:** [November 22, 2024, 2:00am UTC](https://community.netdata.cloud/t/ebpf-plugin-installation-failing/5998 "2024-11-22T02:00:54Z")
Problem/Question I’ve Netdata running as container, on a Linux Machine. I was interested in installing ebpf metrics to monitor network stack for apps\_group. I mounted ebpf.d.conf to /etc/netdata and also netdata.conf to … --- ## [Correct way to set up simple Windows metrics monitoring?](https://community.netdata.cloud/t/correct-way-to-set-up-simple-windows-metrics-monitoring/5590)
**Author:** [@luckman212](https://community.netdata.cloud/u/luckman212)\ **Replies:** 20\ **Last updated:** [November 21, 2024, 3:24am UTC](https://community.netdata.cloud/t/correct-way-to-set-up-simple-windows-metrics-monitoring/5590 "2024-11-21T03:24:41Z")
I did my best to follow some guides and other links e.g. How to monitor Windows systems with Netdata | Netdata Windows Monitoring | Netdata Windows | Learn Netdata \[Feat\]: Proper Windows Support via WSL and the windows… --- ## [UDP port monitoring](https://community.netdata.cloud/t/udp-port-monitoring/5738)
**Author:** [@enkaskal](https://community.netdata.cloud/u/enkaskal)\ **Replies:** 6\ **Last updated:** [September 19, 2024, 12:02am UTC](https://community.netdata.cloud/t/udp-port-monitoring/5738 "2024-09-19T00:02:17Z")
is it possible to add a UDP port monitor? I’ve looked through the documentation and google, but the best I could come up with is a ~7y old github issue saying that “we” should have generic protocol support. Specifically: … --- ## [SNMP add custom mib](https://community.netdata.cloud/t/snmp-add-custom-mib/5803)
**Author:** [@CrazyWolf13](https://community.netdata.cloud/u/CrazyWolf13)\ **Replies:** 3\ **Last updated:** [September 17, 2024, 6:40pm UTC](https://community.netdata.cloud/t/snmp-add-custom-mib/5803 "2024-09-17T18:40:49Z")
Problem/Question Hi I just set up SNMP on my netdata instance to monitor my switch. Sadly I just get very very little stats, like just some networking stats, uptime and port status, many metrics are missing which I can… --- ## [SNMP Plugin vNode problems](https://community.netdata.cloud/t/snmp-plugin-vnode-problems/5774)
**Author:** [@CrazyWolf13](https://community.netdata.cloud/u/CrazyWolf13)\ **Replies:** 3\ **Last updated:** [September 16, 2024, 9:16am UTC](https://community.netdata.cloud/t/snmp-plugin-vnode-problems/5774 "2024-09-16T09:16:06Z")
Problem/Question So I’ve set up SNPM monitoring to scrape my switch, that worked great using these commands and config: cd /etc/netdata 2\>/dev/null || cd /opt/netdata/etc/netdata sudo ./edit-config go.d/snmp.conf jobs:… --- ## [netdata agent does not visualise the chart](https://community.netdata.cloud/t/netdata-agent-does-not-visualise-the-chart/5705)
**Author:** [@omartulashvili](https://community.netdata.cloud/u/omartulashvili)\ **Replies:** 0\ **Last updated:** [August 15, 2024, 8:59am UTC](https://community.netdata.cloud/t/netdata-agent-does-not-visualise-the-chart/5705 "2024-08-15T08:59:41Z")
Good afternoon. I am new to netdata, so I may still be confused about the terminology. on my production server, the netdata agent is already running and collecting data, visualisation is working, including correct displ… --- ## [Haproxy go.d configuration for stats page](https://community.netdata.cloud/t/haproxy-go-d-configuration-for-stats-page/3916)
**Author:** [@CZAirwolf](https://community.netdata.cloud/u/CZAirwolf)\ **Replies:** 4\ **Last updated:** [August 12, 2024, 9:23am UTC](https://community.netdata.cloud/t/haproxy-go-d-configuration-for-stats-page/3916 "2024-08-12T09:23:50Z")
Problem/Question We are moving from python.d collectors and have problem with go.d version. Our configuration is: haproxy.cfg: listen stats bind :::1936 stats enable stats uri / python.d/haproxy.conf socket: '/va… --- ## [Install Netdata with our automatic one-line installation script](https://community.netdata.cloud/t/install-netdata-with-our-automatic-one-line-installation-script/5684)
**Author:** [@Rman11](https://community.netdata.cloud/u/Rman11)\ **Replies:** 0\ **Last updated:** [August 9, 2024, 1:00am UTC](https://community.netdata.cloud/t/install-netdata-with-our-automatic-one-line-installation-script/5684 "2024-08-09T01:00:40Z")
I ran the curl installation on Mac Terminal. It produced several red errors. I looked in the dashboard and found no data. I reran the curl installation and it said it found a previous installation. I aborted by selec… --- ## [Windows Node not showing on Dashboard - NetData On Docker](https://community.netdata.cloud/t/windows-node-not-showing-on-dashboard-netdata-on-docker/5640)
**Author:** [@Guilherme](https://community.netdata.cloud/u/Guilherme)\ **Replies:** 0\ **Last updated:** [July 29, 2024, 2:46pm UTC](https://community.netdata.cloud/t/windows-node-not-showing-on-dashboard-netdata-on-docker/5640 "2024-07-29T14:46:33Z")
I’m having problems displaying separate nodes in my cloud account. I’m running a Debian 12 machine and I left netdata running in Docker. I already left the files configured, both windows.conf and vnodes.conf. and I wan… --- ## [Netdata Metric Section - Favourites](https://community.netdata.cloud/t/netdata-metric-section-favourites/5626)
**Author:** [@alexemerson](https://community.netdata.cloud/u/alexemerson)\ **Replies:** 0\ **Last updated:** [July 24, 2024, 3:32am UTC](https://community.netdata.cloud/t/netdata-metric-section-favourites/5626 "2024-07-24T03:32:43Z")
Hello, I am trying to figure out how to add specific metrics/sections to what I see on the netdata demo to be a favorites section. For example, if you open the demo environment, navigate to the CoreDNS room and select t… --- ## [Will custom dashboards and API v1 be discontinued?](https://community.netdata.cloud/t/will-custom-dashboards-and-api-v1-be-discontinued/5508)
**Author:** [@Garahk](https://community.netdata.cloud/u/Garahk)\ **Replies:** 0\ **Last updated:** [June 5, 2024, 9:46pm UTC](https://community.netdata.cloud/t/will-custom-dashboards-and-api-v1-be-discontinued/5508 "2024-06-05T21:46:00Z")
Suggested template: Problem/Question Will custom dashboards and API v1 be discontinued? Relevant docs you followed/actions you took to solve the issue Environment/Browser/Agent’s version etc v1.45.5 What I expected … --- ## [Load Average Randomly Reads Hundreds Times Higher Than Actual](https://community.netdata.cloud/t/load-average-randomly-reads-hundreds-times-higher-than-actual/5451)
**Author:** [@EastonCo](https://community.netdata.cloud/u/EastonCo)\ **Replies:** 1\ **Last updated:** [May 14, 2024, 10:44am UTC](https://community.netdata.cloud/t/load-average-randomly-reads-hundreds-times-higher-than-actual/5451 "2024-05-14T10:44:52Z")
Hello all, I am encountering a strange problem where my nodes randomly will show on NetData as hundreds of times higher than reported on the server. You can see in the below image that 4 of 5 of them are reporting super… --- ## [Need to collect metrics about juniper switch and display bandwitdh charts of each interface](https://community.netdata.cloud/t/need-to-collect-metrics-about-juniper-switch-and-display-bandwitdh-charts-of-each-interface/5360)
**Author:** [@SHUBH\_MISHRA](https://community.netdata.cloud/u/SHUBH_MISHRA)\ **Replies:** 2\ **Last updated:** [April 18, 2024, 6:09am UTC](https://community.netdata.cloud/t/need-to-collect-metrics-about-juniper-switch-and-display-bandwitdh-charts-of-each-interface/5360 "2024-04-18T06:09:59Z")
Snmp is switched on for my netdata monitoring server and a public community string is configured on my switch and I am able to get data using snmpwalk from the switch using the ubuntu terminal on my server. But when I ad… --- ## [How can I change the default grouping for my custom Netdata collector?](https://community.netdata.cloud/t/how-can-i-change-the-default-grouping-for-my-custom-netdata-collector/5238)
**Author:** [@anon37909893](https://community.netdata.cloud/u/anon37909893)\ **Replies:** 0\ **Last updated:** [March 9, 2024, 12:51pm UTC](https://community.netdata.cloud/t/how-can-i-change-the-default-grouping-for-my-custom-netdata-collector/5238 "2024-03-09T12:51:02Z")
Hello! I wrote a custom Netdata collector in Python for our backup solution. It runs on the client which makes the backup and it collects the last time a backup has made, as well as the size of it. I then added a couple… --- ## [go.d.plugin error fail to create cancel reader: add reader to epoll interest list component="functions manager"](https://community.netdata.cloud/t/go-d-plugin-error-fail-to-create-cancel-reader-add-reader-to-epoll-interest-list-component-functions-manager/5226)
**Author:** [@Blane245](https://community.netdata.cloud/u/Blane245)\ **Replies:** 7\ **Last updated:** [March 7, 2024, 7:45pm UTC](https://community.netdata.cloud/t/go-d-plugin-error-fail-to-create-cancel-reader-add-reader-to-epoll-interest-list-component-functions-manager/5226 "2024-03-07T19:45:20Z")
Problem/Question I am spawning go.d.plugin from a server in order to capture its output and do something differently with it. It has been working well until just a few days ago. I now get an error : ‘fail to create cance… --- ## [Problem with Raspberry PI5 (bookworm) and Speedtest with netdata](https://community.netdata.cloud/t/problem-with-raspberry-pi5-bookworm-and-speedtest-with-netdata/5218)
**Author:** [@Stefano\_Gervasini](https://community.netdata.cloud/u/Stefano_Gervasini)\ **Replies:** 0\ **Last updated:** [March 5, 2024, 11:41am UTC](https://community.netdata.cloud/t/problem-with-raspberry-pi5-bookworm-and-speedtest-with-netdata/5218 "2024-03-05T11:41:16Z")
Hi, i have a problem with speed test chart in netdata, i have installed netdata and speedtest from netdata sources, and i use last version. my problem is: the collector works very fine for some hours (checking time ever… --- ## [apps.plugin error: "Cannot process /proc/1556236/io (command 'varnishstat')" in lxd container.](https://community.netdata.cloud/t/apps-plugin-error-cannot-process-proc-1556236-io-command-varnishstat-in-lxd-container/5186)
**Author:** [@boasmeier](https://community.netdata.cloud/u/boasmeier)\ **Replies:** 0\ **Last updated:** [February 27, 2024, 8:15am UTC](https://community.netdata.cloud/t/apps-plugin-error-cannot-process-proc-1556236-io-command-varnishstat-in-lxd-container/5186 "2024-02-27T08:15:47Z")
Problem/Question The apps.plugin prints the following two error messages every second to the journal: Cannot process /proc/1556236/io (command ‘varnishstat’) Cannot process entries in /proc/1556236/fd (command ‘varnis… [Next page](https://community.netdata.cloud/tag/collectors/75.md?match_all_tags=true&page=1&tags%5B%5D=collectors)