
MaruOps · Infrastructure and AI notes
Linux, Kubernetes
and local AI.
Linux, networking, Kubernetes and local LLMs.
Configuration choices and troubleshooting, explained step by step.
Series guides
Kubernetes Lab
Prepare three VMs, build a cluster, then work through deployment, networking and recovery.
Local LLM
Run a first model, then explore APIs, document retrieval, tools and operations.
Git and GitOps
Follow repositories and commits through CI, deployment and GitOps recovery.
Latest articles
Browse the topics to find the guide you need.
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China seeks confiscation of 61,800 BTC: legal claims are not market sales
Read the proceedings involving more than 61,800 BTC with distinctions between quantity, valuation, claims, legal decisions and any eventual market disposal.
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Deutsche Bank targets an Asian expansion of crypto custody
Separate Deutsche Bank’s German custody preparations from its 2027 Asia plan, with practical questions on institutional eligibility, contracting, approvals and asset movements.
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Standard Chartered signs definitive agreements to acquire Zodia Custody
Understand Standard Chartered’s Zodia Custody agreement, the separation of custody from software and why acquiring a custodian differs from buying customers’ bitcoins.
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German Sparkassen begin Bitcoin trading in their banking app
Assess Sparkasse’s staged crypto rollout with fixed-fee calculations across order sizes and frequencies, plus context on spreads, custody and permitted external transfers.
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Super League shareholders approve Metaplanet’s proposed 2,100 BTC investment
Explore Super League’s shareholder approval for the proposed 2,100 BTC contribution, separating in-kind assets from purchases, reference dates from closing and group balances from dilution.
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Strive reaches 36,818 BTC: separating the new purchase from the weekly total
Reconcile Strive’s 1,223 BTC addition with its 4,045 BTC weekly total. Examine average acquisition costs, warrants and why total holdings differ from per-share exposure.
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Strategy adds 267 Bitcoin while repurchasing STRC preferred shares
Separate Strategy’s 267 BTC purchase from STRC repurchases and program capacity. Calculations put the addition in context while explaining financing and per-share exposure.
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JPMorgan models 10% annual Bitcoin returns: reading the assumptions
Compare JPMorgan’s base, bear and bull Bitcoin return assumptions with compound-growth illustrations, and understand why annualized returns do not describe every year or price path.
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Mt. Gox extends repayments to 2027: a deadline is not a distribution freeze
Understand the scope of Mt. Gox’s repayment-deadline extension and distinguish trustee transfers, creditor receipt and actual market sales when reading subsequent updates.

About these notes
Configuration
and troubleshooting.
From first configuration to operational issues.
Find what to inspect, why it matters, and how to proceed.