[OpenStack-Devstack]: Error: Service n-net is not running when executing stack.sh
If you are stuck with an error “Service n-net is not running” while installing OpenStack using Devstack, then here’s how...
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How to start a VM on a Specified Host/Compute Node in OpenStack Mitaka?
With the appropriate permissions, the user can launch VM on a specified host/compute node in OpenStack Mitaka. All you need to...Why does OpenStack report Hypervisor type as QEMU when libvirt_type is KVM?
I installed OpenStack Mitaka and was curious to check various features in horizon dashboard. For instance, the System > Hypervisors...OpenStack Dashboard Installation Error – error processing package openstack-dashboard-ubuntu-theme [Solved]
While installing OpenStack Mitaka horizon module, I was stuck with an error processing package openstack-dashboard-ubuntu-theme. Below is the snapshot of the...[Openstack]: Set user password when launching cloud images
I recently installed OpenStack Mitaka on my test bed and imported few images from CentOS & Ubuntu repositories. Once the VM...OpenStack Neutron db_sync error – Cannot add a NOT NULL column with default value NULL [Solved]
If you are stuck with an error Cannot add a NOT NULL column with default value NULL while populating or syncing...OpenStack Error – Index column size too large. The maximum column size is 767 bytes [Solved]
If you are getting an error while syncing or populating database of services such as Keystone, Glance, Nova and Neutron, then...Setup command in CentOS 7 throws Error – FirewallD is active, please use firewall-cmd!
I generally use setup or system-config-firewall commands to configure firewall in CentOS machines. But the same commands in CentOS 7...Steps to Install Google Chrome Extensions in Opera browser
Not everyone is a fan of Google’s Chrome browser. Its slow, it eats up your RAM, has memory leaks and...How to Disable Annoying Banners/Ads in uTorrent Windows Application
Annoyed of advertisement banners in uTorrent application? It’s quite easy to disable it. All you need to do is, click...[Ubuntu]: sudoers NOPASSWD option not working
Question: I wanted to install a package as a local user and use sudo wherever required. To do that, I created...[OpenStack]: from keystoneclient.shell import main ImportError: No module named shell
During one node installation of OpenStack Kilo, I tried creating a tenant and the keystone service failed with an error...How to reset MySQL root password ?
What happens if you forget your MySQL root password? No worries, the below steps will help you to reset mysql root...How to Fix Package installation error – Unable to correct problems, you have held broken packages
Question: I was installing few OpenStack packages on Ubuntu 14.04.4 LTS and landed up with an error Unable to correct...Quickly Search and Replace a Text or Image or URL in WordPress Post Contents
Do you want to search and replace a particular URL or text or an image in WordPress post contents? For...How to Blur Text or Image in Microsoft Paint?
Blurring text or an image in Microsoft paint application in Windows? The world knows, that there’s no Blur tool in...How to Disable/Remove Banner Ads in Skype app for Windows?
The Skype app for Windows was updated and the new banner ads started appearing and the worse part is there’s...How to create a Linux bootable USB stick on Windows
I need to install Ubuntu on my rack server which didn’t come with the CD-ROM drive, but had USB ports on...How to make Google Chrome for Android to show Full URL?
I recently observed that Google Chrome in Android (5.1) is not showing the website’s full URL. For example, when a...