Category Archives: Monitoring

nagios-nrpe-server: Ignores dont_blame_nrpe=1

We have Debian Wheezy running on all our production machines. Debian Jessie is out there for a while and I wanted to give it a try… An upgrade like this should be painless and without any major problems. I installed a machine with Debian Jessie and made it ready for production by playing some ansible … Continue reading nagios-nrpe-server: Ignores dont_blame_nrpe=1

How to fix “ERROR: Connecting to daemon at /var/run/collectd-unixsock failed”

Sometimes connecting to the collectd unixsocket is not possible giving a connection refused. This can be fixed manually by removing manually the socket file and then restart collectd collectd does not create a new socket file when there is already such a file. But the old file, which is not connected to any process certainly … Continue reading How to fix “ERROR: Connecting to daemon at /var/run/collectd-unixsock failed”

How to install Nagios Grapher on debian squeeze

In case you don’t have nagios installed, you need to install it as described here After installing nagios, please install the following packages: Download Nagios Grapher source code: Extract the archive Run the NagiosGrapher configure script Check the output checking for a BSD-compatible install… /usr/bin/install -c checking for gawk… no checking for mawk… mawk checking … Continue reading How to install Nagios Grapher on debian squeeze

How to install nagios3 from source on debian squeeze

1. First we will need to install the prereq’s by running: 2. Adding the Nagios user: 3. Download Nagios and Nagios plugins: 4. Untar the archives: 5. Compile Nagios 6. Compile Nagios plugins: 7. Add nagiosadmin user to the apache2 8. Restart apache2 webserver 9. Add www-data user to nagcmd group 10. Install nrpe server … Continue reading How to install nagios3 from source on debian squeeze