Knowledge Base for IT Professionals, Teachers and Astronauts
Most of the DevOps tools are still in beta versions, many times the new version is not compatible with your existing scripts or have an error that stops your scripts working. To be able to keep multiple versions of the applications and easily switch between them, create symbolic links and point to the version you …
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Starting with Terraform version 0.7.3 you can only define a variable once within a directory or a module. Before that release you could copy variable definition files from other modules and did not throw an error if you had the same variable defined in multiple files within the module. In the new version of Terraform …
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I am not sure who uses the Caps Lock button anymore. It was important in the age of typewriters to be able to type all uppercase titles without holding the shift key, but these days I don’t remember the last time I needed it. In fact I frequently press it accidentally and prevents me to …
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Most Linux distributions are free, and do not require product keys to launch them. The steps below are based on the great article at http://kitchen.ci/blog/test-kitchen-windows-test-flight-with-vagrant/ I have summarized the steps below to create a free Virtual Box Windows Server 2012R2 image on your workstation, so Test Kitchen can use Vagrant and Virtual Box to launch Windows instances and test cookbooks …
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Git Move the Git repositories to a new workstation If you want to move Git repositories to your new workstation Commit and push all repositories to GitHub on the old workstation, Copy the folders from your old workstation to the new, Execute the following command in all Git repositories on the new workstation. git reset …
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Enable the right-click To be able the right-click on the mouse Sounds Disable the startup sound To disable the sond during the computer start Enable notifications when external monitors are connected By default notifications are turned off during screen sharing and screen mirroring. This makes screen sharing quieter for the audience, but notifications of arriving …
Continue reading “DevOps Engineering part 1. (Mac) – Make your Macintosh easier to use”
Set up your computer Display the file extensions On Windows 11 Open the File Explorer Click the arrow next to View and select Show Mark File name extensions and Hidden items On Windows 10 Open File Explorer On the View tab select File name extensions Hidden items On Windows 7 (if you accidentally run into …
Continue reading “OLD- DevOps Engineering part 1. (Win) – Make your Windows computer easier to use”
To download apps from the Apple Store you need an Apple Id. If the app is free, you may not want to enter credit card information during the registration. If you try to create the Apple Id without the credit card in the App Store application, you may get the following error message: Your session …
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When you try to execute any of the “kitchen” commands in Chef Test Kitchen you may get the following error message. lib/kitchen/config.rb:182:in `block in filter_instances’: undefined method `empty?’ for nil:NilClass (NoMethodError) This happened in my cookbook, when I have removed the value from the “excludes:” option in the .kitchen.yml file, but left the “excludes:” option …
How to restore a MySQL database in Windows To restore a MySQL database on a Windows machine: Place the database backup file in the root directory of your C: drive (trust me, this will make your life easier) Open the Command Prompt Start the MySQL command prompt mysql -u root -p This command will prompt you …
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