Journey of an IT Architect

  • Personal Vim cheatsheet

    This is my personal cheatsheet as intermediate Vim user so I skipped the ones that I consider basic. All the commands listed are used in…

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  • Cryptography basics 2 of 2

    My previous post outlines several core concepts around cryptography, such as asymmetric key encryption, digital certificate, the encoding formats and relevant file extensions. In this…

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  • AWS Certified DevOps Engineer Exam Tips

    The last 30 days have been exhausting for me. I studied hard on the new AWS Certified DevOps Engineer exam and thank goodness I passed…

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  • Storage Nitty-Gritty 3 of 5 – NAS and Object Storage

    NAS (network attached storage) NAS server is dedicated to file-serving. NAS device runs its own specialized operating system that is optimized for file I/O, integrated…

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  • Cryptography Basics 1 of 2

    I have been dabbling with OpenSSL commands to achieve what I needed during IT implementation, but I decided to spent some time to overcome the…

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  • Git Explained 2 of 2

    This is a continuation from Git Explained 1 of 2 where the fundamental concepts are covered. In this article we introduce some tools for customization…

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