Hussein Nasser’s “The rule of CPU in the Kernel” page is basically a showcase of his self-paced courses: Fundamentals of Operating Systems, Node.js Internals, Backend Troubleshooting, Backend Engineering, Networking and Database Engineering (all with Udemy coupon redirects), plus dedicated Python and NGINX tracks.
He also promotes his Medium articles, English and Arabic YouTube channels (with members-only content and a podcast), and even affiliate tools for slide and thumbnail design—wrapped up with a friendly “buy me a coffee” link.
Watch on YouTube
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