Monitoring

Under /var/lib/mysql the mysql-bin.000025* files have eaten all of my disk space Solution The mysql-bin files are some kind of backup of database changes. You can set that you will have those files for three days. Then the logs don’t eat all …

icinga2 disk space is full Weiterlesen »

I found out that my grafana had no data points in the 7 days view. My new icinga2 check worked correctly and produced the right data. The problem nano /etc/icinga2/zones.d/master/services/disks.conf import „10minute-service“ In my apply service declaration i defined the …

Grafana – data points missing Weiterlesen »

I wanted to disable a specific host (the services/checks). My raspberry pi is currently without an sd-card and it should not be monitored anymore. I found out that there is a check command „dummy“ which is saying that the service …

Icinga2 – disable host services/checks Weiterlesen »

Icinga2 – failure at monitoring /dev/shm I wanted to monitor /dev/shm but icinga couldn’t get the values. „DISK UNKNOWN – free space:“ After a look in the debuglog i found out that the parameter „-X“ was set to tmpfs. Because shm …

Icinga2 – monitor /dev/shm with check_disk Weiterlesen »

root@monitoring:/etc/icinga2/zones.d/master/services# vim users.conf apply Service „users“ { import „notification-enabled“ import „generic-service“ check_command = „users“ command_endpoint = host.name assign where host.vars.servertype == „allgemein“ vars.users_wgreater = 0 vars.users_cgreater = 0 }

Grafana displayed an error message: Error message grafana – {{alert.title}} Docs Support Plans Community Grafana v3.1.1 (commit: a4d2708) New version available! Solution After the upgrade grafana needed a manual restart root@monitoring:~# systemctl restart grafana-server

My carbon process broke down a while ago. I figured out that my grafana wasn’t showing the actual data. So i made a icinga2 check if my carbon service is running. root@monitoring:/etc/icinga2/zones.d/master/hosts# vim monitoring.conf in the object host declaration: vars.process[„carbon“] …

Icinga2 – check if the carbon service is running Weiterlesen »

As you can see on the image, grafana has no more data received. After a bit of debugging I found out that also the whisper files were correctly received (up to date). #whisper file root@monitoring:/var/lib/graphite/whisper/icinga2/pisensoren_mattionline_lan/services/ds18b20-28-0116106adaee/ds18b20/perfdata/temp# ls -la insgesamt 196 drwxr-xr-x …

Debug Grafana – no more data points Weiterlesen »

Tutorial: How to send Icinga2 Push Notifications to the Smartphone Chat App Telegram? 1) Get your chat id 2) Check if you can communicate with your smartphone over the telegram Currently my icinga2 notification is running with pushover.net. I wanted …

Icinga2 Telegram Push Notifications Weiterlesen »