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Kitchen Dokken is a provisioner to test cookbooks in Docker containers. It is very fast and efficient compared to cloud instances like AWS EC2s, Vagrant boxes, or VMWare virtual machines. Currently, you can only test Linux cookbooks with Kitchen Dokken. To generate a cookbook with the dokken provisioner use the –kitchen option The Kitchen Dokken …
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Yes, it is idempotent. It means, when the target file on the local drive matches the source file in the S3 bucket, Chef Client does not download the file. In the past aws_s3_file was not idempotent, but now behind the scenes it calls remote_file which compares the files and skips the download when the files …
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Chef attributes are “Mash” type. From the Ruby Doc: “Mash allows you to create pseudo-objects that have method-like accessors for hash keys.” Mash is inherited from Hash. Attributes can hold any data type, but we need to make sure the type does not change as we create more attributes. In this example we change the …
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When we want to execute AWS CLI commands to create tags, add AWS keys on AWS instances with the AWS Chef cookbook, first, we need to install the AWS CLI. On Linux the following lines complete the installation Make sure you use the -b /usr/bin option to instruct the installer to create a symbolic link …
I have found an interesting article by Raymond on how to reset the password of your Windows computer even if you cannot log in. Change Or Reset User Password If You Cannot Logon For the last method, you will need a bootable USB drive to start your computer. See my article Install Windows 10 from …
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Windows executes an application every day to check the compatibility of the programs on your computer. Microsoft Compatibility Appraiser runs randomly between 3 am and 5 am in the morning, and in the first 2 hours when you turn on your computer. It can use 30 – 50 % of the CPU slowing down other …
The Chef Test Kitchen EC2 driver can connect to Windows instances two ways. Using a custom image with known admin account credentials When we use a custom built image which has a local administrator account with known username and password, specify it in the kitchen.yml file. Standard Amazon AMI with random password When we use …
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Use the knife search command to list nodes that match the provided criteria Find nodes with a specific cookbook in the run list (runlist) Find nodes with a specific recipe in the run list (runlist) List nodes with a specific OS All Linux nodes All nodes with Ubuntu OS The last time the node successfully …
Install the Epson WF-3520 scanner driver and scanning utility Connect to the Epson WF-3520 scanner To enable the Preview function In Windows 11 the Preview button is not visible by default. To make the Preview button visible on the Epson Scan page, we will need to press the Alt key on your keyboard. Scan with …
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The Brew viz command reads the Berksfile.lock in the current Chef cookbook directory and saves the cookbook dependency diagram in the graph.png file. The command requires the graphviz utility Install graphviz In the terminal window execute Generate the cookbook dependency diagram and open it in Preview In the Chef cookbook directory execute If you get …
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