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        <title>HamidX Blog</title>
        <link>https://hamidx.tech/blog</link>
        <description>The HamidX Blog</description>
        <language>en-us</language>
        <generator>HamidX</generator>
        <ttl>40</ttl>
        <item>
              <title><![CDATA[What I learned studying product security as an engineer]]></title>
              <description><![CDATA[Finishing a security course and still freezing on real work is usually an indexing problem, not a memory problem. Here is the operating manual I built so product security knowledge fires when the situation appears.]]></description>
              <pubDate>2026-09-09</pubDate>
              <link>https://hamidx.tech/blog/what-i-learned-studying-product-security</link>
              <guid>https://hamidx.tech/blog/what-i-learned-studying-product-security</guid>
            </item>
<item>
              <title><![CDATA[What I learned from a business awareness course]]></title>
              <description><![CDATA[An engineer's takeaways from Business From Zero: how companies actually make money, what unit economics mean for product work, and why fintech stops feeling like jargon.]]></description>
              <pubDate>2026-07-15</pubDate>
              <link>https://hamidx.tech/blog/what-i-learned-from-business-course</link>
              <guid>https://hamidx.tech/blog/what-i-learned-from-business-course</guid>
            </item>
<item>
              <title><![CDATA[How data moves between two machines - for real production systems]]></title>
              <description><![CDATA[A clear mental model of moving data machine-to-machine: bandwidth vs latency, TCP and backpressure, serialization, reliability under load, and the patterns production systems actually use.]]></description>
              <pubDate>2026-05-21</pubDate>
              <link>https://hamidx.tech/blog/data-transfer-between-machines</link>
              <guid>https://hamidx.tech/blog/data-transfer-between-machines</guid>
            </item>
<item>
              <title><![CDATA[How code runs on a computer - from program to bare-metal voltage]]></title>
              <description><![CDATA[A clear under-the-hood path from source code to machine instructions, CPU cycles, transistors, and the voltages that actually flip on silicon.]]></description>
              <pubDate>2026-04-08</pubDate>
              <link>https://hamidx.tech/blog/how-code-runs-to-bare-metal</link>
              <guid>https://hamidx.tech/blog/how-code-runs-to-bare-metal</guid>
            </item>
<item>
              <title><![CDATA[What is Linux? The operating system under the hood]]></title>
              <description><![CDATA[A clear, complete explanation of Linux: the kernel, processes, memory, filesystems, system calls, and how the OS quietly runs almost everything.]]></description>
              <pubDate>2026-02-24</pubDate>
              <link>https://hamidx.tech/blog/what-is-linux</link>
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