Test your cookbook in Chef Test Kitchen against multiple versions of the Chef Client
In large environments, during the Chef Client version change, some older servers still run the prior version of the Chef Client, the newly created servers launch with the new version of the Chef Client. It is very important to test your cookbooks with…
Open the system drive of an AWS instance you cannot log into
If you cannot log into an AWS instance and want to inspect files on it, you can detach the volume from the lost instance and attach it to another instance as the secondary drive. Create a new instance Create a new AWS instance and log into it, Make a…
Debugging a Packer build
Packer can configure a server instance and create an image of it. If you need to examine what Packer is doing, you can run Packer in debug mode and RDP into the instance to view files and other settings. Open the firewall In the “builders”…
Install the binary component of LastPass
To be able to download attached files from LastPass, you need to install the binary component for LastPass in your web browser. Navigate to https://lastpass.com/misc_download2.php Install the LastPass for Chrome (full version) plugin
Create a new server image for a RightScale server template
The RightScale server templates publish server images to launch. It is advisable to create your own server image because the cloud providers can remove their published images anytime. If you generate your own image, you control the lifecycle of those.…
windows_task, ArgumentError: invalid date
When the windows_task resource is called to “create” a Windows Scheduled Task that already exists, an error message is returned. In the past, the “modify” action was responsible for the modification of the scheduled tasks, since…
Application error codes
When an application execution fails, it usually returns an error code to specify the cause of the problem. Windows error codes Application Error code Cause Workaround Visual Studio -2147205120 The computer has a pending restart and must be rebooted…
.NET Framework Detection in the Windows Registry
To determine which .NET framework is installed on the Windows computer check the values in the registry. The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full key contains two values you can check: Release Version You can use InSpec,…
Chef exit codes
Chef uses the standard RFC 062 exit codes. In your .kitchen.yml file, you can supply an array of exit codes in the “retry_on_exit_code” option to retry the operation in case the Chef script execution is interrupted. The usual values are…
FATAL: Chef::Exceptions::Reboot: Rebooting server at a recipe’s request.
When your Chef recipe requests a reboot using the “reboot” Chef resource, the output window shows an error message: Chef Client finished, …/… resources updated in … seconds […] WARN: Rebooting server at a…