We'll do the following steps:
openstack server list
example:
$ openstack server list -c ID -c Name -c …collectd itself is intended as lightweight collecting agent for metrics and events. In larger infrastructure, the data is sent over the network to a central point, where data is stored and processed further.
This introduces a potential issue: what happens, if the remote endpoint to write data to is not …
Recently, I bought a couple of Raspberry Pi 4, one with 4 GB and 2 equipped with 8 GB of RAM. When I bought the first one, there was no option to get bigger memory. However, I saw this as a game and thought to give this a try. I …
This is mostly a brain dump for myself for later reference, but may be also useful for others.
As I wrote in an earlier post, collectd is configured on OpenStack TripleO driven deployments by a config file.
parameter_defaults: CollectdExtraPlugins: - write_http ExtraConfig: collectd::plugin::write_http::nodes: collectd: url …
This article is intended to give an overview on how to test the Service Assurance Framework on a small deployment of OpenShift.
I've started with a deployment of RHEL 7.x on a baremetal machine.
After using subscribtion-manager to subscribe and attach, I made sure to have the necessary repositories …
Last week, on January 31 and Feb 01, we had a contributors meetup of collectd in Brussels, just before FOSDEM. Thanks to our generous sponsors Camptocamp, Intel, and Red Hat, we were able to meet and to talk about various topics. In total, there were 15 persons attending, and if …
A way of deploying OpenStack is to use TripleO. This takes the an approach to deploy a small OpenStack environment, and then to take OpenStack provided infrastructure and tools to deploy the actual production environment. This is actually done by an addition to the openstack command line client:
openstack overcloud …
For some use cases, it's quite useful to test TripleO deployments on a OpenStack powered cloud, rather than using a baremetal system. The following article will show you, how to do it:
We're going to use tripleo-quickstart . This also assumes, you have downloaded your OpenStack openrc.sh handy and stored …
A while ago, we proposed the OpsTools SIG. Its idea is to provide tools for operators, system administrators, etc.
Now we have a repository for testing purposes:
yum install http://buildlogs.centos.org/centos/7/opstools/x86_64/common/centos-release-opstools-1-2.el7.noarch.rpm
Documentation can be found on GitHub, and …
When using Horizon as Admin user, you probably saw the metering dashboard, also known as "Resource Usage".
It internally uses Ceilometer; Ceilometer continuously collects data from configured data sources. In a cloud environment, this can quickly grow enormously. When someone visits the metering dashboard in Horizon, Ceilometer then will accumulate …