How to configure VM resizing and migration between hypervisors [OpenStack]
When VM resizing or cold migrating between hypervisors, it’s highly probable that you will come across an SSH error indicating...
OpenStack
Openstack Live Migration error with Unacceptable CPU info: CPU doesn’t have compatibility
I hope you know that OpenStack, offers a valuable feature called “live migration” that allows to move virtual machines (VMs)...How to customize OpenStack Horizon Dashboard
Customize OpenStack Horizon Dashboard allows you to tailor the interface to your specific needs and preferences such as its appearance,...[Openstack nova]: No valid host found for resize
On my OpenStack setup with 2-nodes, 1-controller+compute and 1-compute node, I got the error message “No valid host was found....How to automatically extend windows virtual disk size [Openstack]
Thanks to this article – how to create a Windows Image for OpenStack Glance repository. After uploading the image, I...How to configure Open vSwitch bridge for OpenStack
Followed the guide from server-world for installing the OpenStack Train version on the CentOS server. Configuring neutron services requires physical...Too many connections for neutron-db-manage [MySQL]
While finalizing the installation of neutron on controller node, the operation to populate the database failed with Too many connections...[OpenStack noVNC]: Code 400, message Client must support ‘binary’ or ‘base64’ protocol [Solved]
As part of OpenStack Yoga release, installed and configured noVNC – a VNC client library based on JavaScript. Essentially, noVNC...[OpenStack Glance]: Failed to contact the endpoint at https://localhost:9292 for discovery.
After the successful installation of OpenStack Glance, connecting to the Glance API (on port 9292) fails with an error message...[OpenStack]: Yum RabbitMQ installation error on CentOS Stream 8
While installing the OpenStack Yoga release, after the yum repository setup from the server-world guide, RabbitMQ server installation error showed...How to stop Windows10 VM on OpenStack from automatically restarting!
I’m experiencing a Windows10 VM on OpenStack that automatically restarts on successful autologon. Struggling with this for a while and...Increase virtual disk size of Windows10 VM on QEMU-KVM
Recently I created a windows image using QEMU-KVM and ported it onto OpenStack for one of my clients. While creating...Why Windows10 VM is slow on OpenStack?
Before we proceed, please read Why does Windows 10 VM show 100% CPU utilization always on QEMU-KVM? The same issue holds...Why does Windows 10 VM shows 100% CPU utilization always on QEMU-KVM?
You might have read my article on How to Create Windows image for OpenStack and its related articles such as...How to configure Windows VM Autologin for OpenStack Cloud
Earlier I had written How to Create Windows Image for OpenStack. Now that, we have created the Windows image, we...How to Create Windows image for OpenStack
I was assigned a task to create Windows image for OpenStack unlike most Linux distros, it is not possible to...HTTP 403 Forbidden: You are not authorized to complete publicize_image action [Openstack Glance]
I hope you have read my Openstack API articles to provide access to Openstack services through REST APIs. When my...How to create/list/delete flavors in OpenStack using API
In Openstack flavors define the size of a virtual server that can be launched. It includes compute, memory, and storage capacity...How to generate Openstack Token using cURL
To access Openstack services through REST APIs, the identity service provides tokens. Clients can obtain the token by supplying their...Unexpected keyword argument ‘token’ [Openstack]
While verifying Openstack RESTful API, I generated a token with default scope using the cURL command as shown below and...