Nagios Enabling External Command on Debian based Distributions

While debugging my check disk problem after the 15.10 upgrade, I saw that I forgot to enable external commands. That is handy, when you want to re-schedule a check to see, if your changes took effect. Again, something that is easily activated. So if you see something like this, then you might want to make… Continue reading Nagios Enabling External Command on Debian based Distributions

Nagios check_disk Foo on Ubuntu 15.10

Another day another foo, this time done to the check_disk plugin for Nagios on Ubuntu. After updating to 15.10 my disk space check all of a sudden failed with this one here: DISK CRITICAL – /sys/kernel/debug/tracing is not accessible: Permission denied