DevOps Engineering part 2. – Create and test your first cookbook in 5 minutes
In the first part of the series, Beginner’s Guide to DevOps Engineering Part 1. we have already installed the DevOps development tools. Create and test your first cookbook in 5 minutes Set up the Chef working folder Create a folder for the Chef…
Beginner’s Guide to DevOps Engineering part 1.
DevOps engineering (Release engineering) is a relatively new profession. There is a very high demand for experienced DevOps engineers, because more and more large corporations want to migrate their data centers into the Cloud. In this series I will…
Chef script stops when it calls a custom resource
When you execute a Chef recipe that calls a custom resource and the execution stops without any output from the custom resource, make sure the custom resource does not reference a misspelled property with the #{PROPERTY_NAME} syntax.
How can I tell if a Chef cookbook is frozen
If a Chef cookbook is “frozen”, the cookbook is protected against accidental overwrite. When someone tries to overwrite it the “Version ... of cookbook COOKBOOK_NAME is frozen. Use --force to override" message appears. To check if a…
Upgrade Chef Client on Windows
If you have already installed Chef Client on a Windows box and want to upgrade to the latest version Open a Command Prompt and run as Administrator, Execute the following command, choco upgrade chef-client After the upgrade close the Command Prompt and…
REMOTE HOST IDENTIFICATION HAS CHANGED warning when you try to connect to a server with ssh
If you work in the AWS environment and launch and terminate servers frequently the same IP is reused many times. When you try to connect to a new server with SSH and the IP address is already in the known_hosts file you will get the following error…
SSL certificate is missing after installing ChefDK
When you install a new version of ChefDK and try to run Test Kitchen converge you may get the following error message >>>>>> ------Exception------- >>>>>> Class: Kitchen::ActionFailed >>>>>> Message:…
Winrm is missing after installing ChefDK
When you install the new version of ChefDK you may get the following error message when you try to run Test Kitchen !!!!!! The `winrm` gem is missing and must be installed or cannot be properly activated. Run `gem install winrm --version '["~> 1.6"]'`…
Berkshelf is missing after installing ChefDK
When you install a new version of ChefDK and try to run Test Kitchen the following error message may appear !!!!!! The `berkshelf' gem is missing and must be installed or cannot be properly activated. Run `gem install berkshelf` or add the following to…
EC2 driver is missing after installing ChefDK
After installing a new version of ChefDK you may get the following error message when you try to run Test Kitchen: Message: Could not load the 'ec2' driver from the load path. Please ensure that your driver is installed as a gem or included in your…