Failed to complete #create action: [undefined method `version’ for nil:NilClass] on …

When you execute kitchen converge to launch an EC2 instance in AWS with Chef Test Kitchen, you get the error message: >>>>> ——Exception——- >>>>>> Class: Kitchen::ActionFailed >>>>>> Message: 1 actions failed. >>>>>> Failed to complete #create action: [undefined method `version’ for nil:NilClass] on … >>>>>> ———————- >>>>>> Please see .kitchen/logs/kitchen.log for more details >>>>>> Also …

Vagrant installation

 Vagrant Installation Warning! The new versions of Vagrant delete the contents of the /opt/vagrant directory. If you want to keep old versions of Vagrant, first move them out of the /opt directory. Download Vagrant from https://www.vagrantup.com/ and follow the instructions to install it. Select DOWNLOAD… Select the operating system of your workstation. For Ubuntu: Debian RedHat: Centos …

Configure the Windows virtual machine in VirtualBox

Enable shared folders on the virtual machine To be able to use shared folders between the host ( your workstation ) and the Windows virtual machine. Start the Windows virtual machine in VirtualBox, Select the virtual machine window on your workstation, In the Devices menu of VirtualBox select Insert Guest Additions CD image… In the virtual machine start Windows Explorer, …

VirtualBox installation and configuration on Windows

Download Virtual Box from https://www.virtualbox.org/wiki/Downloads and follow the instructions to install it. At the time of writing this was the section where the installer files were referenced Run the downloaded installer file and accept all default values. The installer starts the Virtual Box application.You can close it, we will use other tools to start it in the future. …

VirtualBox installation and configuration on Macintosh

Download VirtualBox from https://www.virtualbox.org/wiki/Downloads and follow the instructions to install it. At the time of writing, this was the section where the installer files were referenced Run the downloaded installer file and accept all default values. The installer starts the application.   Create a virtual machine To create a new virtual machine Download the OS image from the …

How to create a bootable USB drive to install Windows

If the computer you want to install Microsoft WIndows on, does not have a DVD drive, you can install Windows from a USB drive. To start the computer from the USB drive, you need to prepare the drive to make it bootable. Microsoft has a free tool that can download the edition of the Windows …

Cannot restart the Atlassian Confluence service on Windows

When the Atlassian Confluence wiki is installed on a Windows server, it frequently becomes unavailable. Sometimes it is possible to restart the Atlassian Confluence Windows service, but most of the time the Stop phase times out with: Windows could not stop the Atlassian Confluence service on Local Computer. Error 1053: The service did not respond …

Splunk installation

Install Splunk Navigate to the Splunk website at splunk.com, In the upper right corner select the Free Splunk button, If you don’t yet have a Splunk account, register to create one, otherwise log in, Select the Free Download in the Splunk Enterprise frame, Select the tab with the operating system of your machine. Linux The simplest …

Upgrade a server on an AWS EC2 instance with minimum risk and downtime

When you need to upgrade an application on an AWS EC2 instance with minimum downtime, there are many options. Upgrade an EC2 instance Stop the application, so users don’t make more changes, Create a backup of the database (snapshot of the RDS instance), Create a backup of the server (backup image of the EC2 instance), …

Test your RightScale script without creating unnecessary revisions

There are certain functions in RightScale scripts (RightScripts) that you cannot test without launching a new instance. To test your script: Edit the Head revision of the RightScale script and save it, Attach the Head revision of the RightScale script to the Head revision of the RightScale Server Template, Select the Head revision of the …