In OpenStack Dashboard (Horizon), when I launch an Instance and I am trying to connect to the Instance via Dashboard VNC Console – I am getting error: Failed to connect to server (code: 1006). This is most often caused by […]
From time to time, especially during testing and automated script tenant deployment, my OpenStack cloud installation gets disordered. Situations when I am unable to delete neutron port in Horizon dashboard are pretty common phenomenon, this most likely leads to problem […]
Sometimes I need to edit files inside qcow2 or raw image, but for some reason I don’t want to launch the image in KVM or in Openstack cloud. The image can be edited offline using virt-edit tool.
In this tutorial we will install OpenStack Liberty release from RDO repository on one node (all-in-one installation) based on CentOS 7 / RHEL 7 using packstack installer script. In all-in-one configuration all OpenStack nodes (controller node, compute node, network node) […]
Openstack, besides Horizon GUI Dashboard, can also be configured via command-line interface using commands in Bash. Below we present a list of common and useful commands for your reference. Note: in OpenStack command-line interface you have to source appropriate keystonerc […]
During OpenStack deployment and testing you may need to quickly create: project tenants, tenant users, networks, routers, security groups, etc… just to check, if Cloud is working properly. Instead of arduous clicking all this stuff in Horizon dashboard, you can […]
OpenStack is quite reliable Cloud solution, that provides extensibility and scalability. That means, if the Cloud is running out of resources for new tenants and instances, it can be easily extended with new Hypervisors (Compute nodes) practically on-line. In this […]
Typical OpenStack cloud setup consists of more than one node (usually one Controller node and several Compute nodes), which requires lot of physical computers / servers available to perform the installation. This complicates the situation, especially if we need to […]
Cinder Volumes group is a block storage based on LVM (Logical Volume Manager) volume group, usually situated in Controller node in OpenStack cloud. It provides persistent block storage for runtime instances. During typical packstack installation Cinder Volumes group size is […]
Cinder Volume is a block storage based on Linux LVM, which can be attached to instance and mounted as a regular file system. In this tutorial we will show you how to create Cinder Volume in OpenStack and attach it […]
