Category Archives: Cloud computing

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 Chef cookbook is frozen on the Chef server execute the following command knife cookbook show COOKBOOK_NAME latest | grep …

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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 message. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! …

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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: Failed to complete #create action: [SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed To solve the problem add the following to the Windows …

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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”]’` or add the following to your Gemfile if you are using …

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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 your Gemfile if you are using Bundler: `gem ‘berkshelf’`. To reinstall …

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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 Gemfile if using Bundler. To install the EC2 driver …

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Error in Test Kitchen after installing ChefDK

You may get the following error when you try to run Test Kitchen after installing the latest version of ChefDK: $ kitchen C:/Ruby22/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require’: cannot load such file — dl/import (LoadError) from C:/Ruby22/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require’ from C:/Ruby22/lib/ruby/gems/2.2.0/gems/net-ssh-2.9.2/lib/net/ssh/authentication/pageant.rb:1:in `<top (required)>’ from C:/Ruby22/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require’ from C:/Ruby22/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require’ from C:/Ruby22/lib/ruby/gems/2.2.0/gems/net-ssh-2.9.2/lib/net/ssh/authentication/agent/socket.rb:5:in `<top (required)>’ from C:/Ruby22/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require’ from C:/Ruby22/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require’ from …

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