Networking

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The LPIC-1 102-500 exam is the second of two exams required for the [LPIC-1 certification](/lpi/lpic-1-exam-guide/). It covers **shell scripting and

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The LPIC-2 201-450 exam is the first of two exams required for the [LPIC-2 certification](/lpi/lpic-2-exam-guide/). It covers **system startup and ke

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The **Sovereign Cloud Stack (SCS)** provides Europe's open-source cloud infrastructure framework. Its deployment engine, **OSISM**, manages everythin

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Edge computing is no longer a theoretical architecture. As more workloads move from centralized cloud data centers to the physical edge of the networ

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A practical quick-reference guide for `socat` (SOcket CAT) — a powerful bidirectional data relay tool. Socat establishes two bidirectional byte strea

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A practical quick-reference guide for network diagnostics and troubleshooting on Linux. Commands are organized by tool with common flags and realisti

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A practical quick-reference guide for Secure Shell operations. Commands are organized by category with common flags and realistic examples covering k

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On 28 March 2026, Google's IPv6 statistics crossed a line that seemed perpetually out of reach: 50.1% of traffic to Google services arrived over IPv6

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Ingress-NGINX powered roughly half of all Kubernetes clusters. On 24 March 2026 it went read-only. No more bug fixes, no security patches. ## What H

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