Journey of an IT Architect

  • Capture filter and Display filter in Network Analyzer

    Capture filter is set before collecting packets. It is applied at the time of data acquisition and it impacts the size of the capture. It…

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  • Setup WSL2 (and Docker) on Windows 10

    This is not for Linux snobs, but rather for those who are stuck with a Windows work laptop, have to deal with Linux on a…

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  • Ansible at scale 2 of 2

    Template (with Jinja2) and files In an Ansible role, we can use files or templates to achieve similar results for configuration files. If the configuration…

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  • Docker Compose, Docker Stack and Docker Swarm

    This posting covers some basic docker orchestration tools. Docker Compose Docker Compose’s predecessor is a tool called Fig developed by Orchard, which was acquired by…

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  • Ansible at scale 1 of 2

    The Ansible In Depth white paper outlines Ansible’s use cases in four categories: Configuration management Application deployment Orchestration: for coordinating a multi-machine process such as…

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  • Balloon steals memory from virtual machines

    This article is my experience with memory balloon on virtual machine. I came across an ElasticSearch server (ESXi guest with 32GB physical memory) where the…

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